Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

38 files changed, 10488 insertions, 0 deletions

diff --git a/dom/media/webaudio/blink/Biquad.cpp b/dom/media/webaudio/blink/Biquad.cpp
new file mode 100644
index 0000000000..51c3ec4487
--- /dev/null
+++ b/dom/media/webaudio/blink/Biquad.cpp
@@ -0,0 +1,439 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "Biquad.h"
+
+#include "DenormalDisabler.h"
+
+#include <float.h>
+#include <algorithm>
+#include <math.h>
+
+namespace WebCore {
+
+Biquad::Biquad() {
+  // Initialize as pass-thru (straight-wire, no filter effect)
+  setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+
+  reset();  // clear filter memory
+}
+
+Biquad::~Biquad() = default;
+
+void Biquad::process(const float* sourceP, float* destP,
+                     size_t framesToProcess) {
+  // Create local copies of member variables
+  double x1 = m_x1;
+  double x2 = m_x2;
+  double y1 = m_y1;
+  double y2 = m_y2;
+
+  double b0 = m_b0;
+  double b1 = m_b1;
+  double b2 = m_b2;
+  double a1 = m_a1;
+  double a2 = m_a2;
+
+  for (size_t i = 0; i < framesToProcess; ++i) {
+    // FIXME: this can be optimized by pipelining the multiply adds...
+    double x = sourceP[i];
+    double y = b0 * x + b1 * x1 + b2 * x2 - a1 * y1 - a2 * y2;
+
+    destP[i] = y;
+
+    // Update state variables
+    x2 = x1;
+    x1 = x;
+    y2 = y1;
+    y1 = y;
+  }
+
+  // Avoid introducing a stream of subnormals when input is silent and the
+  // tail approaches zero.
+  if (x1 == 0.0 && x2 == 0.0 && (y1 != 0.0 || y2 != 0.0) &&
+      fabs(y1) < FLT_MIN && fabs(y2) < FLT_MIN) {
+    // Flush future values to zero (until there is new input).
+    y1 = y2 = 0.0;
+// Flush calculated values.
+#ifndef HAVE_DENORMAL
+    for (int i = framesToProcess; i-- && fabsf(destP[i]) < FLT_MIN;) {
+      destP[i] = 0.0f;
+    }
+#endif
+  }
+  // Local variables back to member.
+  m_x1 = x1;
+  m_x2 = x2;
+  m_y1 = y1;
+  m_y2 = y2;
+}
+
+void Biquad::reset() { m_x1 = m_x2 = m_y1 = m_y2 = 0; }
+
+void Biquad::setLowpassParams(double cutoff, double resonance) {
+  // Limit cutoff to 0 to 1.
+  cutoff = std::max(0.0, std::min(cutoff, 1.0));
+
+  if (cutoff == 1) {
+    // When cutoff is 1, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  } else if (cutoff > 0) {
+    // Compute biquad coefficients for lowpass filter
+    double g = pow(10.0, -0.05 * resonance);
+    double w0 = M_PI * cutoff;
+    double cos_w0 = cos(w0);
+    double alpha = 0.5 * sin(w0) * g;
+
+    double b1 = 1.0 - cos_w0;
+    double b0 = 0.5 * b1;
+    double b2 = b0;
+    double a0 = 1.0 + alpha;
+    double a1 = -2.0 * cos_w0;
+    double a2 = 1.0 - alpha;
+
+    setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+  } else {
+    // When cutoff is zero, nothing gets through the filter, so set
+    // coefficients up correctly.
+    setNormalizedCoefficients(0, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setHighpassParams(double cutoff, double resonance) {
+  // Limit cutoff to 0 to 1.
+  cutoff = std::max(0.0, std::min(cutoff, 1.0));
+
+  if (cutoff == 1) {
+    // The z-transform is 0.
+    setNormalizedCoefficients(0, 0, 0, 1, 0, 0);
+  } else if (cutoff > 0) {
+    // Compute biquad coefficients for highpass filter
+    double g = pow(10.0, -0.05 * resonance);
+    double w0 = M_PI * cutoff;
+    double cos_w0 = cos(w0);
+    double alpha = 0.5 * sin(w0) * g;
+
+    double b1 = -1.0 - cos_w0;
+    double b0 = -0.5 * b1;
+    double b2 = b0;
+    double a0 = 1.0 + alpha;
+    double a1 = -2.0 * cos_w0;
+    double a2 = 1.0 - alpha;
+
+    setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+  } else {
+    // When cutoff is zero, we need to be careful because the above
+    // gives a quadratic divided by the same quadratic, with poles
+    // and zeros on the unit circle in the same place. When cutoff
+    // is zero, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setNormalizedCoefficients(double b0, double b1, double b2,
+                                       double a0, double a1, double a2) {
+  double a0Inverse = 1 / a0;
+
+  m_b0 = b0 * a0Inverse;
+  m_b1 = b1 * a0Inverse;
+  m_b2 = b2 * a0Inverse;
+  m_a1 = a1 * a0Inverse;
+  m_a2 = a2 * a0Inverse;
+}
+
+void Biquad::setLowShelfParams(double frequency, double dbGain) {
+  // Clip frequencies to between 0 and 1, inclusive.
+  frequency = std::max(0.0, std::min(frequency, 1.0));
+
+  double A = pow(10.0, dbGain / 40);
+
+  if (frequency == 1) {
+    // The z-transform is a constant gain.
+    setNormalizedCoefficients(A * A, 0, 0, 1, 0, 0);
+  } else if (frequency > 0) {
+    double w0 = M_PI * frequency;
+    double S = 1;  // filter slope (1 is max value)
+    double alpha = 0.5 * sin(w0) * sqrt((A + 1 / A) * (1 / S - 1) + 2);
+    double k = cos(w0);
+    double k2 = 2 * sqrt(A) * alpha;
+    double aPlusOne = A + 1;
+    double aMinusOne = A - 1;
+
+    double b0 = A * (aPlusOne - aMinusOne * k + k2);
+    double b1 = 2 * A * (aMinusOne - aPlusOne * k);
+    double b2 = A * (aPlusOne - aMinusOne * k - k2);
+    double a0 = aPlusOne + aMinusOne * k + k2;
+    double a1 = -2 * (aMinusOne + aPlusOne * k);
+    double a2 = aPlusOne + aMinusOne * k - k2;
+
+    setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+  } else {
+    // When frequency is 0, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setHighShelfParams(double frequency, double dbGain) {
+  // Clip frequencies to between 0 and 1, inclusive.
+  frequency = std::max(0.0, std::min(frequency, 1.0));
+
+  double A = pow(10.0, dbGain / 40);
+
+  if (frequency == 1) {
+    // The z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  } else if (frequency > 0) {
+    double w0 = M_PI * frequency;
+    double S = 1;  // filter slope (1 is max value)
+    double alpha = 0.5 * sin(w0) * sqrt((A + 1 / A) * (1 / S - 1) + 2);
+    double k = cos(w0);
+    double k2 = 2 * sqrt(A) * alpha;
+    double aPlusOne = A + 1;
+    double aMinusOne = A - 1;
+
+    double b0 = A * (aPlusOne + aMinusOne * k + k2);
+    double b1 = -2 * A * (aMinusOne + aPlusOne * k);
+    double b2 = A * (aPlusOne + aMinusOne * k - k2);
+    double a0 = aPlusOne - aMinusOne * k + k2;
+    double a1 = 2 * (aMinusOne - aPlusOne * k);
+    double a2 = aPlusOne - aMinusOne * k - k2;
+
+    setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+  } else {
+    // When frequency = 0, the filter is just a gain, A^2.
+    setNormalizedCoefficients(A * A, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setPeakingParams(double frequency, double Q, double dbGain) {
+  // Clip frequencies to between 0 and 1, inclusive.
+  frequency = std::max(0.0, std::min(frequency, 1.0));
+
+  // Don't let Q go negative, which causes an unstable filter.
+  Q = std::max(0.0, Q);
+
+  double A = pow(10.0, dbGain / 40);
+
+  if (frequency > 0 && frequency < 1) {
+    if (Q > 0) {
+      double w0 = M_PI * frequency;
+      double alpha = sin(w0) / (2 * Q);
+      double k = cos(w0);
+
+      double b0 = 1 + alpha * A;
+      double b1 = -2 * k;
+      double b2 = 1 - alpha * A;
+      double a0 = 1 + alpha / A;
+      double a1 = -2 * k;
+      double a2 = 1 - alpha / A;
+
+      setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+    } else {
+      // When Q = 0, the above formulas have problems. If we look at
+      // the z-transform, we can see that the limit as Q->0 is A^2, so
+      // set the filter that way.
+      setNormalizedCoefficients(A * A, 0, 0, 1, 0, 0);
+    }
+  } else {
+    // When frequency is 0 or 1, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setAllpassParams(double frequency, double Q) {
+  // Clip frequencies to between 0 and 1, inclusive.
+  frequency = std::max(0.0, std::min(frequency, 1.0));
+
+  // Don't let Q go negative, which causes an unstable filter.
+  Q = std::max(0.0, Q);
+
+  if (frequency > 0 && frequency < 1) {
+    if (Q > 0) {
+      double w0 = M_PI * frequency;
+      double alpha = sin(w0) / (2 * Q);
+      double k = cos(w0);
+
+      double b0 = 1 - alpha;
+      double b1 = -2 * k;
+      double b2 = 1 + alpha;
+      double a0 = 1 + alpha;
+      double a1 = -2 * k;
+      double a2 = 1 - alpha;
+
+      setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+    } else {
+      // When Q = 0, the above formulas have problems. If we look at
+      // the z-transform, we can see that the limit as Q->0 is -1, so
+      // set the filter that way.
+      setNormalizedCoefficients(-1, 0, 0, 1, 0, 0);
+    }
+  } else {
+    // When frequency is 0 or 1, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setNotchParams(double frequency, double Q) {
+  // Clip frequencies to between 0 and 1, inclusive.
+  frequency = std::max(0.0, std::min(frequency, 1.0));
+
+  // Don't let Q go negative, which causes an unstable filter.
+  Q = std::max(0.0, Q);
+
+  if (frequency > 0 && frequency < 1) {
+    if (Q > 0) {
+      double w0 = M_PI * frequency;
+      double alpha = sin(w0) / (2 * Q);
+      double k = cos(w0);
+
+      double b0 = 1;
+      double b1 = -2 * k;
+      double b2 = 1;
+      double a0 = 1 + alpha;
+      double a1 = -2 * k;
+      double a2 = 1 - alpha;
+
+      setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+    } else {
+      // When Q = 0, the above formulas have problems. If we look at
+      // the z-transform, we can see that the limit as Q->0 is 0, so
+      // set the filter that way.
+      setNormalizedCoefficients(0, 0, 0, 1, 0, 0);
+    }
+  } else {
+    // When frequency is 0 or 1, the z-transform is 1.
+    setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setBandpassParams(double frequency, double Q) {
+  // No negative frequencies allowed.
+  frequency = std::max(0.0, frequency);
+
+  // Don't let Q go negative, which causes an unstable filter.
+  Q = std::max(0.0, Q);
+
+  if (frequency > 0 && frequency < 1) {
+    double w0 = M_PI * frequency;
+    if (Q > 0) {
+      double alpha = sin(w0) / (2 * Q);
+      double k = cos(w0);
+
+      double b0 = alpha;
+      double b1 = 0;
+      double b2 = -alpha;
+      double a0 = 1 + alpha;
+      double a1 = -2 * k;
+      double a2 = 1 - alpha;
+
+      setNormalizedCoefficients(b0, b1, b2, a0, a1, a2);
+    } else {
+      // When Q = 0, the above formulas have problems. If we look at
+      // the z-transform, we can see that the limit as Q->0 is 1, so
+      // set the filter that way.
+      setNormalizedCoefficients(1, 0, 0, 1, 0, 0);
+    }
+  } else {
+    // When the cutoff is zero, the z-transform approaches 0, if Q
+    // > 0. When both Q and cutoff are zero, the z-transform is
+    // pretty much undefined. What should we do in this case?
+    // For now, just make the filter 0. When the cutoff is 1, the
+    // z-transform also approaches 0.
+    setNormalizedCoefficients(0, 0, 0, 1, 0, 0);
+  }
+}
+
+void Biquad::setZeroPolePairs(const Complex& zero, const Complex& pole) {
+  double b0 = 1;
+  double b1 = -2 * zero.real();
+
+  double zeroMag = abs(zero);
+  double b2 = zeroMag * zeroMag;
+
+  double a1 = -2 * pole.real();
+
+  double poleMag = abs(pole);
+  double a2 = poleMag * poleMag;
+  setNormalizedCoefficients(b0, b1, b2, 1, a1, a2);
+}
+
+void Biquad::setAllpassPole(const Complex& pole) {
+  Complex zero = Complex(1, 0) / pole;
+  setZeroPolePairs(zero, pole);
+}
+
+void Biquad::getFrequencyResponse(int nFrequencies, const float* frequency,
+                                  float* magResponse, float* phaseResponse) {
+  // Evaluate the Z-transform of the filter at given normalized
+  // frequency from 0 to 1.  (1 corresponds to the Nyquist
+  // frequency.)
+  //
+  // The z-transform of the filter is
+  //
+  // H(z) = (b0 + b1*z^(-1) + b2*z^(-2))/(1 + a1*z^(-1) + a2*z^(-2))
+  //
+  // Evaluate as
+  //
+  // b0 + (b1 + b2*z1)*z1
+  // --------------------
+  // 1 + (a1 + a2*z1)*z1
+  //
+  // with z1 = 1/z and z = exp(j*pi*frequency). Hence z1 = exp(-j*pi*frequency)
+
+  // Make local copies of the coefficients as a micro-optimization.
+  double b0 = m_b0;
+  double b1 = m_b1;
+  double b2 = m_b2;
+  double a1 = m_a1;
+  double a2 = m_a2;
+
+  for (int k = 0; k < nFrequencies; ++k) {
+    double omega = -M_PI * frequency[k];
+    Complex z = Complex(cos(omega), sin(omega));
+    Complex numerator = b0 + (b1 + b2 * z) * z;
+    Complex denominator = Complex(1, 0) + (a1 + a2 * z) * z;
+    // Strangely enough, using complex division:
+    // e.g. Complex response = numerator / denominator;
+    // fails on our test machines, yielding infinities and NaNs, so we do
+    // things the long way here.
+    double n = norm(denominator);
+    double r = (real(numerator) * real(denominator) +
+                imag(numerator) * imag(denominator)) /
+               n;
+    double i = (imag(numerator) * real(denominator) -
+                real(numerator) * imag(denominator)) /
+               n;
+    std::complex<double> response = std::complex<double>(r, i);
+
+    magResponse[k] = static_cast<float>(abs(response));
+    phaseResponse[k] =
+        static_cast<float>(atan2(imag(response), real(response)));
+  }
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/Biquad.h b/dom/media/webaudio/blink/Biquad.h
new file mode 100644
index 0000000000..d64ed72b50
--- /dev/null
+++ b/dom/media/webaudio/blink/Biquad.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef Biquad_h
+#define Biquad_h
+
+#include <complex>
+
+namespace WebCore {
+
+typedef std::complex<double> Complex;
+
+// A basic biquad (two-zero / two-pole digital filter)
+//
+// It can be configured to a number of common and very useful filters:
+//    lowpass, highpass, shelving, parameteric, notch, allpass, ...
+
+class Biquad {
+ public:
+  Biquad();
+  ~Biquad();
+
+  void process(const float* sourceP, float* destP, size_t framesToProcess);
+
+  // frequency is 0 - 1 normalized, resonance and dbGain are in decibels.
+  // Q is a unitless quality factor.
+  void setLowpassParams(double frequency, double resonance);
+  void setHighpassParams(double frequency, double resonance);
+  void setBandpassParams(double frequency, double Q);
+  void setLowShelfParams(double frequency, double dbGain);
+  void setHighShelfParams(double frequency, double dbGain);
+  void setPeakingParams(double frequency, double Q, double dbGain);
+  void setAllpassParams(double frequency, double Q);
+  void setNotchParams(double frequency, double Q);
+
+  // Set the biquad coefficients given a single zero (other zero will be
+  // conjugate) and a single pole (other pole will be conjugate)
+  void setZeroPolePairs(const Complex& zero, const Complex& pole);
+
+  // Set the biquad coefficients given a single pole (other pole will be
+  // conjugate) (The zeroes will be the inverse of the poles)
+  void setAllpassPole(const Complex& pole);
+
+  // Return true iff the next output block will contain sound even with
+  // silent input.
+  bool hasTail() const { return m_y1 || m_y2 || m_x1 || m_x2; }
+
+  // Resets filter state
+  void reset();
+
+  // Filter response at a set of n frequencies. The magnitude and
+  // phase response are returned in magResponse and phaseResponse.
+  // The phase response is in radians.
+  void getFrequencyResponse(int nFrequencies, const float* frequency,
+                            float* magResponse, float* phaseResponse);
+
+ private:
+  void setNormalizedCoefficients(double b0, double b1, double b2, double a0,
+                                 double a1, double a2);
+
+  // Filter coefficients. The filter is defined as
+  //
+  // y[n] + m_a1*y[n-1] + m_a2*y[n-2] = m_b0*x[n] + m_b1*x[n-1] + m_b2*x[n-2].
+  double m_b0;
+  double m_b1;
+  double m_b2;
+  double m_a1;
+  double m_a2;
+
+  // Filter memory
+  //
+  // Double precision for the output values is valuable because errors can
+  // accumulate.  Input values are also stored as double so they need not be
+  // converted again for computation.
+  double m_x1;  // input delayed by 1 sample
+  double m_x2;  // input delayed by 2 samples
+  double m_y1;  // output delayed by 1 sample
+  double m_y2;  // output delayed by 2 samples
+};
+
+}  // namespace WebCore
+
+#endif  // Biquad_h
diff --git a/dom/media/webaudio/blink/DenormalDisabler.h b/dom/media/webaudio/blink/DenormalDisabler.h
new file mode 100644
index 0000000000..646482b74f
--- /dev/null
+++ b/dom/media/webaudio/blink/DenormalDisabler.h
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2011, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DenormalDisabler_h
+#define DenormalDisabler_h
+
+#include <cmath>
+#include <cinttypes>
+#include <cstring>
+#include <float.h>
+
+namespace WebCore {
+
+// Deal with denormals. They can very seriously impact performance on x86.
+
+// Define HAVE_DENORMAL if we support flushing denormals to zero.
+
+#if defined(XP_WIN) && defined(_MSC_VER)
+// Windows compiled using MSVC with SSE2
+#  define HAVE_DENORMAL 1
+#endif
+
+#if defined(__GNUC__) && defined(__SSE__)
+#  define HAVE_DENORMAL 1
+#endif
+
+#if defined(__arm__) || defined(__aarch64__)
+#  define HAVE_DENORMAL 1
+#endif
+
+#ifdef HAVE_DENORMAL
+class DenormalDisabler {
+ public:
+  DenormalDisabler() : m_savedCSR(0) { disableDenormals(); }
+
+  ~DenormalDisabler() { restoreState(); }
+
+  // This is a nop if we can flush denormals to zero in hardware.
+  static inline float flushDenormalFloatToZero(float f) { return f; }
+
+ private:
+  unsigned m_savedCSR;
+
+#  if defined(__GNUC__) && defined(__SSE__)
+  static inline bool isDAZSupported() {
+#    if defined(__x86_64__)
+    return true;
+#    else
+    static bool s_isInited = false;
+    static bool s_isSupported = false;
+    if (s_isInited) {
+      return s_isSupported;
+    }
+
+    struct fxsaveResult {
+      uint8_t before[28];
+      uint32_t CSRMask;
+      uint8_t after[480];
+    } __attribute__((aligned(16)));
+
+    fxsaveResult registerData;
+    memset(&registerData, 0, sizeof(fxsaveResult));
+    asm volatile("fxsave %0" : "=m"(registerData));
+    s_isSupported = registerData.CSRMask & 0x0040;
+    s_isInited = true;
+    return s_isSupported;
+#    endif
+  }
+
+  inline void disableDenormals() {
+    m_savedCSR = getCSR();
+    setCSR(m_savedCSR | (isDAZSupported() ? 0x8040 : 0x8000));
+  }
+
+  inline void restoreState() { setCSR(m_savedCSR); }
+
+  inline int getCSR() {
+    int result;
+    asm volatile("stmxcsr %0" : "=m"(result));
+    return result;
+  }
+
+  inline void setCSR(int a) {
+    int temp = a;
+    asm volatile("ldmxcsr %0" : : "m"(temp));
+  }
+
+#  elif defined(XP_WIN) && defined(_MSC_VER)
+  inline void disableDenormals() {
+    // Save the current state, and set mode to flush denormals.
+    //
+    // http://stackoverflow.com/questions/637175/possible-bug-in-controlfp-s-may-not-restore-control-word-correctly
+    _controlfp_s(&m_savedCSR, 0, 0);
+    unsigned unused;
+    _controlfp_s(&unused, _DN_FLUSH, _MCW_DN);
+  }
+
+  inline void restoreState() {
+    unsigned unused;
+    _controlfp_s(&unused, m_savedCSR, _MCW_DN);
+  }
+#  elif defined(__arm__) || defined(__aarch64__)
+  inline void disableDenormals() {
+    m_savedCSR = getStatusWord();
+    // Bit 24 is the flush-to-zero mode control bit. Setting it to 1 flushes
+    // denormals to 0.
+    setStatusWord(m_savedCSR | (1 << 24));
+  }
+
+  inline void restoreState() { setStatusWord(m_savedCSR); }
+
+  inline int getStatusWord() {
+    int result;
+#    if defined(__aarch64__)
+    asm volatile("mrs %x[result], FPCR" : [result] "=r"(result));
+#    else
+    asm volatile("vmrs %[result], FPSCR" : [result] "=r"(result));
+#    endif
+    return result;
+  }
+
+  inline void setStatusWord(int a) {
+#    if defined(__aarch64__)
+    asm volatile("msr FPCR, %x[src]" : : [src] "r"(a));
+#    else
+    asm volatile("vmsr FPSCR, %[src]" : : [src] "r"(a));
+#    endif
+  }
+
+#  endif
+};
+
+#else
+// FIXME: add implementations for other architectures and compilers
+class DenormalDisabler {
+ public:
+  DenormalDisabler() {}
+
+  // Assume the worst case that other architectures and compilers
+  // need to flush denormals to zero manually.
+  static inline float flushDenormalFloatToZero(float f) {
+    return (fabs(f) < FLT_MIN) ? 0.0f : f;
+  }
+};
+
+#endif
+
+}  // namespace WebCore
+#endif  // DenormalDisabler_h
diff --git a/dom/media/webaudio/blink/DynamicsCompressor.cpp b/dom/media/webaudio/blink/DynamicsCompressor.cpp
new file mode 100644
index 0000000000..d31dfb3c17
--- /dev/null
+++ b/dom/media/webaudio/blink/DynamicsCompressor.cpp
@@ -0,0 +1,315 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "DynamicsCompressor.h"
+#include "AlignmentUtils.h"
+#include "AudioBlock.h"
+
+#include <cmath>
+#include "AudioNodeEngine.h"
+#include "nsDebug.h"
+
+using mozilla::AudioBlockCopyChannelWithScale;
+using mozilla::WEBAUDIO_BLOCK_SIZE;
+
+namespace WebCore {
+
+DynamicsCompressor::DynamicsCompressor(float sampleRate,
+                                       unsigned numberOfChannels)
+    : m_numberOfChannels(numberOfChannels),
+      m_sampleRate(sampleRate),
+      m_compressor(sampleRate, numberOfChannels) {
+  // Uninitialized state - for parameter recalculation.
+  m_lastFilterStageRatio = -1;
+  m_lastAnchor = -1;
+  m_lastFilterStageGain = -1;
+
+  setNumberOfChannels(numberOfChannels);
+  initializeParameters();
+}
+
+size_t DynamicsCompressor::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+  amount += m_preFilterPacks.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_preFilterPacks.Length(); i++) {
+    if (m_preFilterPacks[i]) {
+      amount += m_preFilterPacks[i]->sizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  amount += m_postFilterPacks.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_postFilterPacks.Length(); i++) {
+    if (m_postFilterPacks[i]) {
+      amount += m_postFilterPacks[i]->sizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  amount += aMallocSizeOf(m_sourceChannels.get());
+  amount += aMallocSizeOf(m_destinationChannels.get());
+  amount += m_compressor.sizeOfExcludingThis(aMallocSizeOf);
+  return amount;
+}
+
+void DynamicsCompressor::setParameterValue(unsigned parameterID, float value) {
+  MOZ_ASSERT(parameterID < ParamLast);
+  if (parameterID < ParamLast) m_parameters[parameterID] = value;
+}
+
+void DynamicsCompressor::initializeParameters() {
+  // Initializes compressor to default values.
+
+  m_parameters[ParamThreshold] = -24;    // dB
+  m_parameters[ParamKnee] = 30;          // dB
+  m_parameters[ParamRatio] = 12;         // unit-less
+  m_parameters[ParamAttack] = 0.003f;    // seconds
+  m_parameters[ParamRelease] = 0.250f;   // seconds
+  m_parameters[ParamPreDelay] = 0.006f;  // seconds
+
+  // Release zone values 0 -> 1.
+  m_parameters[ParamReleaseZone1] = 0.09f;
+  m_parameters[ParamReleaseZone2] = 0.16f;
+  m_parameters[ParamReleaseZone3] = 0.42f;
+  m_parameters[ParamReleaseZone4] = 0.98f;
+
+  m_parameters[ParamFilterStageGain] = 4.4f;  // dB
+  m_parameters[ParamFilterStageRatio] = 2;
+  m_parameters[ParamFilterAnchor] = 15000 / nyquist();
+
+  m_parameters[ParamPostGain] = 0;   // dB
+  m_parameters[ParamReduction] = 0;  // dB
+
+  // Linear crossfade (0 -> 1).
+  m_parameters[ParamEffectBlend] = 1;
+}
+
+float DynamicsCompressor::parameterValue(unsigned parameterID) {
+  MOZ_ASSERT(parameterID < ParamLast);
+  return m_parameters[parameterID];
+}
+
+void DynamicsCompressor::setEmphasisStageParameters(
+    unsigned stageIndex, float gain, float normalizedFrequency /* 0 -> 1 */) {
+  float gk = 1 - gain / 20;
+  float f1 = normalizedFrequency * gk;
+  float f2 = normalizedFrequency / gk;
+  float r1 = expf(-f1 * M_PI);
+  float r2 = expf(-f2 * M_PI);
+
+  MOZ_ASSERT(m_numberOfChannels == m_preFilterPacks.Length());
+
+  for (unsigned i = 0; i < m_numberOfChannels; ++i) {
+    // Set pre-filter zero and pole to create an emphasis filter.
+    ZeroPole& preFilter = m_preFilterPacks[i]->filters[stageIndex];
+    preFilter.setZero(r1);
+    preFilter.setPole(r2);
+
+    // Set post-filter with zero and pole reversed to create the de-emphasis
+    // filter. If there were no compressor kernel in between, they would cancel
+    // each other out (allpass filter).
+    ZeroPole& postFilter = m_postFilterPacks[i]->filters[stageIndex];
+    postFilter.setZero(r2);
+    postFilter.setPole(r1);
+  }
+}
+
+void DynamicsCompressor::setEmphasisParameters(float gain, float anchorFreq,
+                                               float filterStageRatio) {
+  setEmphasisStageParameters(0, gain, anchorFreq);
+  setEmphasisStageParameters(1, gain, anchorFreq / filterStageRatio);
+  setEmphasisStageParameters(
+      2, gain, anchorFreq / (filterStageRatio * filterStageRatio));
+  setEmphasisStageParameters(
+      3, gain,
+      anchorFreq / (filterStageRatio * filterStageRatio * filterStageRatio));
+}
+
+void DynamicsCompressor::process(const AudioBlock* sourceChunk,
+                                 AudioBlock* destinationChunk,
+                                 unsigned framesToProcess) {
+  // Though numberOfChannels is retrived from destinationBus, we still name it
+  // numberOfChannels instead of numberOfDestinationChannels. It's because we
+  // internally match sourceChannels's size to destinationBus by channel up/down
+  // mix. Thus we need numberOfChannels to do the loop work for both
+  // m_sourceChannels and m_destinationChannels.
+
+  unsigned numberOfChannels = destinationChunk->ChannelCount();
+  unsigned numberOfSourceChannels = sourceChunk->ChannelCount();
+
+  MOZ_ASSERT(numberOfChannels == m_numberOfChannels && numberOfSourceChannels);
+
+  if (numberOfChannels != m_numberOfChannels || !numberOfSourceChannels) {
+    destinationChunk->SetNull(WEBAUDIO_BLOCK_SIZE);
+    return;
+  }
+
+  switch (numberOfChannels) {
+    case 2:  // stereo
+      m_sourceChannels[0] =
+          static_cast<const float*>(sourceChunk->mChannelData[0]);
+
+      if (numberOfSourceChannels > 1)
+        m_sourceChannels[1] =
+            static_cast<const float*>(sourceChunk->mChannelData[1]);
+      else
+        // Simply duplicate mono channel input data to right channel for stereo
+        // processing.
+        m_sourceChannels[1] = m_sourceChannels[0];
+
+      break;
+    case 1:
+      m_sourceChannels[0] =
+          static_cast<const float*>(sourceChunk->mChannelData[0]);
+      break;
+    default:
+      MOZ_CRASH("not supported.");
+  }
+
+  for (unsigned i = 0; i < numberOfChannels; ++i)
+    m_destinationChannels[i] = const_cast<float*>(
+        static_cast<const float*>(destinationChunk->mChannelData[i]));
+
+  float filterStageGain = parameterValue(ParamFilterStageGain);
+  float filterStageRatio = parameterValue(ParamFilterStageRatio);
+  float anchor = parameterValue(ParamFilterAnchor);
+
+  if (filterStageGain != m_lastFilterStageGain ||
+      filterStageRatio != m_lastFilterStageRatio || anchor != m_lastAnchor) {
+    m_lastFilterStageGain = filterStageGain;
+    m_lastFilterStageRatio = filterStageRatio;
+    m_lastAnchor = anchor;
+
+    setEmphasisParameters(filterStageGain, anchor, filterStageRatio);
+  }
+
+  float sourceWithVolume[WEBAUDIO_BLOCK_SIZE + 4];
+  float* alignedSourceWithVolume = ALIGNED16(sourceWithVolume);
+  ASSERT_ALIGNED16(alignedSourceWithVolume);
+
+  // Apply pre-emphasis filter.
+  // Note that the final three stages are computed in-place in the destination
+  // buffer.
+  for (unsigned i = 0; i < numberOfChannels; ++i) {
+    const float* sourceData;
+    if (sourceChunk->mVolume == 1.0f) {
+      // Fast path, the volume scale doesn't need to get taken into account
+      sourceData = m_sourceChannels[i];
+    } else {
+      AudioBlockCopyChannelWithScale(m_sourceChannels[i], sourceChunk->mVolume,
+                                     alignedSourceWithVolume);
+      sourceData = alignedSourceWithVolume;
+    }
+
+    float* destinationData = m_destinationChannels[i];
+    ZeroPole* preFilters = m_preFilterPacks[i]->filters;
+
+    preFilters[0].process(sourceData, destinationData, framesToProcess);
+    preFilters[1].process(destinationData, destinationData, framesToProcess);
+    preFilters[2].process(destinationData, destinationData, framesToProcess);
+    preFilters[3].process(destinationData, destinationData, framesToProcess);
+  }
+
+  float dbThreshold = parameterValue(ParamThreshold);
+  float dbKnee = parameterValue(ParamKnee);
+  float ratio = parameterValue(ParamRatio);
+  float attackTime = parameterValue(ParamAttack);
+  float releaseTime = parameterValue(ParamRelease);
+  float preDelayTime = parameterValue(ParamPreDelay);
+
+  // This is effectively a master volume on the compressed signal
+  // (pre-blending).
+  float dbPostGain = parameterValue(ParamPostGain);
+
+  // Linear blending value from dry to completely processed (0 -> 1)
+  // 0 means the signal is completely unprocessed.
+  // 1 mixes in only the compressed signal.
+  float effectBlend = parameterValue(ParamEffectBlend);
+
+  float releaseZone1 = parameterValue(ParamReleaseZone1);
+  float releaseZone2 = parameterValue(ParamReleaseZone2);
+  float releaseZone3 = parameterValue(ParamReleaseZone3);
+  float releaseZone4 = parameterValue(ParamReleaseZone4);
+
+  // Apply compression to the pre-filtered signal.
+  // The processing is performed in place.
+  m_compressor.process(m_destinationChannels.get(), m_destinationChannels.get(),
+                       numberOfChannels, framesToProcess,
+
+                       dbThreshold, dbKnee, ratio, attackTime, releaseTime,
+                       preDelayTime, dbPostGain, effectBlend,
+
+                       releaseZone1, releaseZone2, releaseZone3, releaseZone4);
+
+  // Update the compression amount.
+  setParameterValue(ParamReduction, m_compressor.meteringGain());
+
+  // Apply de-emphasis filter.
+  for (unsigned i = 0; i < numberOfChannels; ++i) {
+    float* destinationData = m_destinationChannels[i];
+    ZeroPole* postFilters = m_postFilterPacks[i]->filters;
+
+    postFilters[0].process(destinationData, destinationData, framesToProcess);
+    postFilters[1].process(destinationData, destinationData, framesToProcess);
+    postFilters[2].process(destinationData, destinationData, framesToProcess);
+    postFilters[3].process(destinationData, destinationData, framesToProcess);
+  }
+}
+
+void DynamicsCompressor::reset() {
+  m_lastFilterStageRatio = -1;  // for recalc
+  m_lastAnchor = -1;
+  m_lastFilterStageGain = -1;
+
+  for (unsigned channel = 0; channel < m_numberOfChannels; ++channel) {
+    for (unsigned stageIndex = 0; stageIndex < 4; ++stageIndex) {
+      m_preFilterPacks[channel]->filters[stageIndex].reset();
+      m_postFilterPacks[channel]->filters[stageIndex].reset();
+    }
+  }
+
+  m_compressor.reset();
+}
+
+void DynamicsCompressor::setNumberOfChannels(unsigned numberOfChannels) {
+  if (m_preFilterPacks.Length() == numberOfChannels) return;
+
+  m_preFilterPacks.Clear();
+  m_postFilterPacks.Clear();
+  for (unsigned i = 0; i < numberOfChannels; ++i) {
+    m_preFilterPacks.AppendElement(new ZeroPoleFilterPack4());
+    m_postFilterPacks.AppendElement(new ZeroPoleFilterPack4());
+  }
+
+  m_sourceChannels = mozilla::MakeUnique<const float*[]>(numberOfChannels);
+  m_destinationChannels = mozilla::MakeUnique<float*[]>(numberOfChannels);
+
+  m_compressor.setNumberOfChannels(numberOfChannels);
+  m_numberOfChannels = numberOfChannels;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/DynamicsCompressor.h b/dom/media/webaudio/blink/DynamicsCompressor.h
new file mode 100644
index 0000000000..1838e268fe
--- /dev/null
+++ b/dom/media/webaudio/blink/DynamicsCompressor.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DynamicsCompressor_h
+#define DynamicsCompressor_h
+
+#include "DynamicsCompressorKernel.h"
+#include "ZeroPole.h"
+
+#include "nsTArray.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+class AudioBlock;
+}  // namespace mozilla
+
+namespace WebCore {
+
+using mozilla::AudioBlock;
+using mozilla::UniquePtr;
+
+// DynamicsCompressor implements a flexible audio dynamics compression effect
+// such as is commonly used in musical production and game audio. It lowers the
+// volume of the loudest parts of the signal and raises the volume of the
+// softest parts, making the sound richer, fuller, and more controlled.
+
+class DynamicsCompressor {
+ public:
+  enum {
+    ParamThreshold,
+    ParamKnee,
+    ParamRatio,
+    ParamAttack,
+    ParamRelease,
+    ParamPreDelay,
+    ParamReleaseZone1,
+    ParamReleaseZone2,
+    ParamReleaseZone3,
+    ParamReleaseZone4,
+    ParamPostGain,
+    ParamFilterStageGain,
+    ParamFilterStageRatio,
+    ParamFilterAnchor,
+    ParamEffectBlend,
+    ParamReduction,
+    ParamLast
+  };
+
+  DynamicsCompressor(float sampleRate, unsigned numberOfChannels);
+
+  void process(const AudioBlock* sourceChunk, AudioBlock* destinationChunk,
+               unsigned framesToProcess);
+  void reset();
+  void setNumberOfChannels(unsigned);
+  unsigned numberOfChannels() const { return m_numberOfChannels; }
+
+  void setParameterValue(unsigned parameterID, float value);
+  float parameterValue(unsigned parameterID);
+
+  float sampleRate() const { return m_sampleRate; }
+  float nyquist() const { return m_sampleRate / 2; }
+
+  double tailTime() const { return 0; }
+  double latencyTime() const {
+    return m_compressor.latencyFrames() / static_cast<double>(sampleRate());
+  }
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ protected:
+  unsigned m_numberOfChannels;
+
+  // m_parameters holds the tweakable compressor parameters.
+  float m_parameters[ParamLast];
+  void initializeParameters();
+
+  float m_sampleRate;
+
+  // Emphasis filter controls.
+  float m_lastFilterStageRatio;
+  float m_lastAnchor;
+  float m_lastFilterStageGain;
+
+  struct ZeroPoleFilterPack4 {
+    ZeroPole filters[4];
+    size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+      return aMallocSizeOf(this);
+    }
+  };
+
+  // Per-channel emphasis filters.
+  nsTArray<UniquePtr<ZeroPoleFilterPack4> > m_preFilterPacks;
+  nsTArray<UniquePtr<ZeroPoleFilterPack4> > m_postFilterPacks;
+
+  mozilla::UniquePtr<const float*[]> m_sourceChannels;
+  mozilla::UniquePtr<float*[]> m_destinationChannels;
+
+  void setEmphasisStageParameters(unsigned stageIndex, float gain,
+                                  float normalizedFrequency /* 0 -> 1 */);
+  void setEmphasisParameters(float gain, float anchorFreq,
+                             float filterStageRatio);
+
+  // The core compressor.
+  DynamicsCompressorKernel m_compressor;
+};
+
+}  // namespace WebCore
+
+#endif  // DynamicsCompressor_h
diff --git a/dom/media/webaudio/blink/DynamicsCompressorKernel.cpp b/dom/media/webaudio/blink/DynamicsCompressorKernel.cpp
new file mode 100644
index 0000000000..cffbe49967
--- /dev/null
+++ b/dom/media/webaudio/blink/DynamicsCompressorKernel.cpp
@@ -0,0 +1,494 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "DynamicsCompressorKernel.h"
+
+#include "DenormalDisabler.h"
+#include <algorithm>
+#include <cmath>
+
+#include "mozilla/FloatingPoint.h"
+#include "WebAudioUtils.h"
+
+using namespace mozilla::dom;  // for WebAudioUtils
+using mozilla::MakeUnique;
+using mozilla::PositiveInfinity;
+
+namespace WebCore {
+
+// Metering hits peaks instantly, but releases this fast (in seconds).
+const float meteringReleaseTimeConstant = 0.325f;
+
+const float uninitializedValue = -1;
+
+DynamicsCompressorKernel::DynamicsCompressorKernel(float sampleRate,
+                                                   unsigned numberOfChannels)
+    : m_sampleRate(sampleRate),
+      m_lastPreDelayFrames(DefaultPreDelayFrames),
+      m_preDelayReadIndex(0),
+      m_preDelayWriteIndex(DefaultPreDelayFrames),
+      m_ratio(uninitializedValue),
+      m_slope(uninitializedValue),
+      m_linearThreshold(uninitializedValue),
+      m_dbThreshold(uninitializedValue),
+      m_dbKnee(uninitializedValue),
+      m_kneeThreshold(uninitializedValue),
+      m_kneeThresholdDb(uninitializedValue),
+      m_ykneeThresholdDb(uninitializedValue),
+      m_K(uninitializedValue) {
+  setNumberOfChannels(numberOfChannels);
+
+  // Initializes most member variables
+  reset();
+
+  m_meteringReleaseK =
+      static_cast<float>(WebAudioUtils::DiscreteTimeConstantForSampleRate(
+          meteringReleaseTimeConstant, sampleRate));
+}
+
+size_t DynamicsCompressorKernel::sizeOfExcludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = 0;
+  amount += m_preDelayBuffers.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_preDelayBuffers.Length(); i++) {
+    amount += aMallocSizeOf(m_preDelayBuffers[i].get());
+  }
+
+  return amount;
+}
+
+void DynamicsCompressorKernel::setNumberOfChannels(unsigned numberOfChannels) {
+  if (m_preDelayBuffers.Length() == numberOfChannels) return;
+
+  m_preDelayBuffers.Clear();
+  for (unsigned i = 0; i < numberOfChannels; ++i)
+    m_preDelayBuffers.AppendElement(MakeUnique<float[]>(MaxPreDelayFrames));
+}
+
+void DynamicsCompressorKernel::setPreDelayTime(float preDelayTime) {
+  // Re-configure look-ahead section pre-delay if delay time has changed.
+  unsigned preDelayFrames = preDelayTime * sampleRate();
+  if (preDelayFrames > MaxPreDelayFrames - 1)
+    preDelayFrames = MaxPreDelayFrames - 1;
+
+  if (m_lastPreDelayFrames != preDelayFrames) {
+    m_lastPreDelayFrames = preDelayFrames;
+    for (unsigned i = 0; i < m_preDelayBuffers.Length(); ++i)
+      memset(m_preDelayBuffers[i].get(), 0, sizeof(float) * MaxPreDelayFrames);
+
+    m_preDelayReadIndex = 0;
+    m_preDelayWriteIndex = preDelayFrames;
+  }
+}
+
+// Exponential curve for the knee.
+// It is 1st derivative matched at m_linearThreshold and asymptotically
+// approaches the value m_linearThreshold + 1 / k.
+float DynamicsCompressorKernel::kneeCurve(float x, float k) {
+  // Linear up to threshold.
+  if (x < m_linearThreshold) return x;
+
+  return m_linearThreshold + (1 - expf(-k * (x - m_linearThreshold))) / k;
+}
+
+// Full compression curve with constant ratio after knee.
+float DynamicsCompressorKernel::saturate(float x, float k) {
+  float y;
+
+  if (x < m_kneeThreshold)
+    y = kneeCurve(x, k);
+  else {
+    // Constant ratio after knee.
+    float xDb = WebAudioUtils::ConvertLinearToDecibels(x, -1000.0f);
+    float yDb = m_ykneeThresholdDb + m_slope * (xDb - m_kneeThresholdDb);
+
+    y = WebAudioUtils::ConvertDecibelsToLinear(yDb);
+  }
+
+  return y;
+}
+
+// Approximate 1st derivative with input and output expressed in dB.
+// This slope is equal to the inverse of the compression "ratio".
+// In other words, a compression ratio of 20 would be a slope of 1/20.
+float DynamicsCompressorKernel::slopeAt(float x, float k) {
+  if (x < m_linearThreshold) return 1;
+
+  float x2 = x * 1.001;
+
+  float xDb = WebAudioUtils::ConvertLinearToDecibels(x, -1000.0f);
+  float x2Db = WebAudioUtils::ConvertLinearToDecibels(x2, -1000.0f);
+
+  float yDb = WebAudioUtils::ConvertLinearToDecibels(kneeCurve(x, k), -1000.0f);
+  float y2Db =
+      WebAudioUtils::ConvertLinearToDecibels(kneeCurve(x2, k), -1000.0f);
+
+  float m = (y2Db - yDb) / (x2Db - xDb);
+
+  return m;
+}
+
+float DynamicsCompressorKernel::kAtSlope(float desiredSlope) {
+  float xDb = m_dbThreshold + m_dbKnee;
+  float x = WebAudioUtils::ConvertDecibelsToLinear(xDb);
+
+  // Approximate k given initial values.
+  float minK = 0.1f;
+  float maxK = 10000;
+  float k = 5;
+
+  for (int i = 0; i < 15; ++i) {
+    // A high value for k will more quickly asymptotically approach a slope of
+    // 0.
+    float slope = slopeAt(x, k);
+
+    if (slope < desiredSlope) {
+      // k is too high.
+      maxK = k;
+    } else {
+      // k is too low.
+      minK = k;
+    }
+
+    // Re-calculate based on geometric mean.
+    k = sqrtf(minK * maxK);
+  }
+
+  return k;
+}
+
+float DynamicsCompressorKernel::updateStaticCurveParameters(float dbThreshold,
+                                                            float dbKnee,
+                                                            float ratio) {
+  if (dbThreshold != m_dbThreshold || dbKnee != m_dbKnee || ratio != m_ratio) {
+    // Threshold and knee.
+    m_dbThreshold = dbThreshold;
+    m_linearThreshold = WebAudioUtils::ConvertDecibelsToLinear(dbThreshold);
+    m_dbKnee = dbKnee;
+
+    // Compute knee parameters.
+    m_ratio = ratio;
+    m_slope = 1 / m_ratio;
+
+    float k = kAtSlope(1 / m_ratio);
+
+    m_kneeThresholdDb = dbThreshold + dbKnee;
+    m_kneeThreshold = WebAudioUtils::ConvertDecibelsToLinear(m_kneeThresholdDb);
+
+    m_ykneeThresholdDb = WebAudioUtils::ConvertLinearToDecibels(
+        kneeCurve(m_kneeThreshold, k), -1000.0f);
+
+    m_K = k;
+  }
+  return m_K;
+}
+
+void DynamicsCompressorKernel::process(
+    float* sourceChannels[], float* destinationChannels[],
+    unsigned numberOfChannels, unsigned framesToProcess,
+
+    float dbThreshold, float dbKnee, float ratio, float attackTime,
+    float releaseTime, float preDelayTime, float dbPostGain,
+    float effectBlend, /* equal power crossfade */
+
+    float releaseZone1, float releaseZone2, float releaseZone3,
+    float releaseZone4) {
+  MOZ_ASSERT(m_preDelayBuffers.Length() == numberOfChannels);
+
+  float sampleRate = this->sampleRate();
+
+  float dryMix = 1 - effectBlend;
+  float wetMix = effectBlend;
+
+  float k = updateStaticCurveParameters(dbThreshold, dbKnee, ratio);
+
+  // Makeup gain.
+  float fullRangeGain = saturate(1, k);
+  float fullRangeMakeupGain = 1 / fullRangeGain;
+
+  // Empirical/perceptual tuning.
+  fullRangeMakeupGain = powf(fullRangeMakeupGain, 0.6f);
+
+  float masterLinearGain =
+      WebAudioUtils::ConvertDecibelsToLinear(dbPostGain) * fullRangeMakeupGain;
+
+  // Attack parameters.
+  attackTime = std::max(0.001f, attackTime);
+  float attackFrames = attackTime * sampleRate;
+
+  // Release parameters.
+  float releaseFrames = sampleRate * releaseTime;
+
+  // Detector release time.
+  float satReleaseTime = 0.0025f;
+  float satReleaseFrames = satReleaseTime * sampleRate;
+
+  // Create a smooth function which passes through four points.
+
+  // Polynomial of the form
+  // y = a + b*x + c*x^2 + d*x^3 + e*x^4;
+
+  float y1 = releaseFrames * releaseZone1;
+  float y2 = releaseFrames * releaseZone2;
+  float y3 = releaseFrames * releaseZone3;
+  float y4 = releaseFrames * releaseZone4;
+
+  // All of these coefficients were derived for 4th order polynomial curve
+  // fitting where the y values match the evenly spaced x values as follows:
+  //  (y1 : x == 0, y2 : x == 1, y3 : x == 2, y4 : x == 3)
+  float kA = 0.9999999999999998f * y1 + 1.8432219684323923e-16f * y2 -
+             1.9373394351676423e-16f * y3 + 8.824516011816245e-18f * y4;
+  float kB = -1.5788320352845888f * y1 + 2.3305837032074286f * y2 -
+             0.9141194204840429f * y3 + 0.1623677525612032f * y4;
+  float kC = 0.5334142869106424f * y1 - 1.272736789213631f * y2 +
+             0.9258856042207512f * y3 - 0.18656310191776226f * y4;
+  float kD = 0.08783463138207234f * y1 - 0.1694162967925622f * y2 +
+             0.08588057951595272f * y3 - 0.00429891410546283f * y4;
+  float kE = -0.042416883008123074f * y1 + 0.1115693827987602f * y2 -
+             0.09764676325265872f * y3 + 0.028494263462021576f * y4;
+
+  // x ranges from 0 -> 3       0    1    2   3
+  //                           -15  -10  -5   0db
+
+  // y calculates adaptive release frames depending on the amount of
+  // compression.
+
+  setPreDelayTime(preDelayTime);
+
+  const int nDivisionFrames = 32;
+
+  const int nDivisions = framesToProcess / nDivisionFrames;
+
+  unsigned frameIndex = 0;
+  for (int i = 0; i < nDivisions; ++i) {
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    // Calculate desired gain
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Fix gremlins.
+    if (std::isnan(m_detectorAverage)) m_detectorAverage = 1;
+    if (std::isinf(m_detectorAverage)) m_detectorAverage = 1;
+
+    float desiredGain = m_detectorAverage;
+
+    // Pre-warp so we get desiredGain after sin() warp below.
+    float scaledDesiredGain = asinf(desiredGain) / (0.5f * M_PI);
+
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    // Deal with envelopes
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // envelopeRate is the rate we slew from current compressor level to the
+    // desired level. The exact rate depends on if we're attacking or releasing
+    // and by how much.
+    float envelopeRate;
+
+    bool isReleasing = scaledDesiredGain > m_compressorGain;
+
+    // compressionDiffDb is the difference between current compression level and
+    // the desired level.
+    float compressionDiffDb;
+    if (scaledDesiredGain == 0.0) {
+      compressionDiffDb = PositiveInfinity<float>();
+    } else {
+      compressionDiffDb = WebAudioUtils::ConvertLinearToDecibels(
+          m_compressorGain / scaledDesiredGain, -1000.0f);
+    }
+
+    if (isReleasing) {
+      // Release mode - compressionDiffDb should be negative dB
+      m_maxAttackCompressionDiffDb = -1;
+
+      // Fix gremlins.
+      if (std::isnan(compressionDiffDb)) compressionDiffDb = -1;
+      if (std::isinf(compressionDiffDb)) compressionDiffDb = -1;
+
+      // Adaptive release - higher compression (lower compressionDiffDb)
+      // releases faster.
+
+      // Contain within range: -12 -> 0 then scale to go from 0 -> 3
+      float x = compressionDiffDb;
+      x = std::max(-12.0f, x);
+      x = std::min(0.0f, x);
+      x = 0.25f * (x + 12);
+
+      // Compute adaptive release curve using 4th order polynomial.
+      // Normal values for the polynomial coefficients would create a
+      // monotonically increasing function.
+      float x2 = x * x;
+      float x3 = x2 * x;
+      float x4 = x2 * x2;
+      float releaseFrames = kA + kB * x + kC * x2 + kD * x3 + kE * x4;
+
+#define kSpacingDb 5
+      float dbPerFrame = kSpacingDb / releaseFrames;
+
+      envelopeRate = WebAudioUtils::ConvertDecibelsToLinear(dbPerFrame);
+    } else {
+      // Attack mode - compressionDiffDb should be positive dB
+
+      // Fix gremlins.
+      if (std::isnan(compressionDiffDb)) compressionDiffDb = 1;
+      if (std::isinf(compressionDiffDb)) compressionDiffDb = 1;
+
+      // As long as we're still in attack mode, use a rate based off
+      // the largest compressionDiffDb we've encountered so far.
+      if (m_maxAttackCompressionDiffDb == -1 ||
+          m_maxAttackCompressionDiffDb < compressionDiffDb)
+        m_maxAttackCompressionDiffDb = compressionDiffDb;
+
+      float effAttenDiffDb = std::max(0.5f, m_maxAttackCompressionDiffDb);
+
+      float x = 0.25f / effAttenDiffDb;
+      envelopeRate = 1 - powf(x, 1 / attackFrames);
+    }
+
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    // Inner loop - calculate shaped power average - apply compression.
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    {
+      int preDelayReadIndex = m_preDelayReadIndex;
+      int preDelayWriteIndex = m_preDelayWriteIndex;
+      float detectorAverage = m_detectorAverage;
+      float compressorGain = m_compressorGain;
+
+      int loopFrames = nDivisionFrames;
+      while (loopFrames--) {
+        float compressorInput = 0;
+
+        // Predelay signal, computing compression amount from un-delayed
+        // version.
+        for (unsigned i = 0; i < numberOfChannels; ++i) {
+          float* delayBuffer = m_preDelayBuffers[i].get();
+          float undelayedSource = sourceChannels[i][frameIndex];
+          delayBuffer[preDelayWriteIndex] = undelayedSource;
+
+          float absUndelayedSource =
+              undelayedSource > 0 ? undelayedSource : -undelayedSource;
+          if (compressorInput < absUndelayedSource)
+            compressorInput = absUndelayedSource;
+        }
+
+        // Calculate shaped power on undelayed input.
+
+        float scaledInput = compressorInput;
+        float absInput = scaledInput > 0 ? scaledInput : -scaledInput;
+
+        // Put through shaping curve.
+        // This is linear up to the threshold, then enters a "knee" portion
+        // followed by the "ratio" portion. The transition from the threshold to
+        // the knee is smooth (1st derivative matched). The transition from the
+        // knee to the ratio portion is smooth (1st derivative matched).
+        float shapedInput = saturate(absInput, k);
+
+        float attenuation = absInput <= 0.0001f ? 1 : shapedInput / absInput;
+
+        float attenuationDb =
+            -WebAudioUtils::ConvertLinearToDecibels(attenuation, -1000.0f);
+        attenuationDb = std::max(2.0f, attenuationDb);
+
+        float dbPerFrame = attenuationDb / satReleaseFrames;
+
+        float satReleaseRate =
+            WebAudioUtils::ConvertDecibelsToLinear(dbPerFrame) - 1;
+
+        bool isRelease = (attenuation > detectorAverage);
+        float rate = isRelease ? satReleaseRate : 1;
+
+        detectorAverage += (attenuation - detectorAverage) * rate;
+        detectorAverage = std::min(1.0f, detectorAverage);
+
+        // Fix gremlins.
+        if (std::isnan(detectorAverage)) detectorAverage = 1;
+        if (std::isinf(detectorAverage)) detectorAverage = 1;
+
+        // Exponential approach to desired gain.
+        if (envelopeRate < 1) {
+          // Attack - reduce gain to desired.
+          compressorGain += (scaledDesiredGain - compressorGain) * envelopeRate;
+        } else {
+          // Release - exponentially increase gain to 1.0
+          compressorGain *= envelopeRate;
+          compressorGain = std::min(1.0f, compressorGain);
+        }
+
+        // Warp pre-compression gain to smooth out sharp exponential transition
+        // points.
+        float postWarpCompressorGain = sinf(0.5f * M_PI * compressorGain);
+
+        // Calculate total gain using master gain and effect blend.
+        float totalGain =
+            dryMix + wetMix * masterLinearGain * postWarpCompressorGain;
+
+        // Calculate metering.
+        float dbRealGain = 20 * log10(postWarpCompressorGain);
+        if (dbRealGain < m_meteringGain)
+          m_meteringGain = dbRealGain;
+        else
+          m_meteringGain += (dbRealGain - m_meteringGain) * m_meteringReleaseK;
+
+        // Apply final gain.
+        for (unsigned i = 0; i < numberOfChannels; ++i) {
+          float* delayBuffer = m_preDelayBuffers[i].get();
+          destinationChannels[i][frameIndex] =
+              delayBuffer[preDelayReadIndex] * totalGain;
+        }
+
+        frameIndex++;
+        preDelayReadIndex = (preDelayReadIndex + 1) & MaxPreDelayFramesMask;
+        preDelayWriteIndex = (preDelayWriteIndex + 1) & MaxPreDelayFramesMask;
+      }
+
+      // Locals back to member variables.
+      m_preDelayReadIndex = preDelayReadIndex;
+      m_preDelayWriteIndex = preDelayWriteIndex;
+      m_detectorAverage =
+          DenormalDisabler::flushDenormalFloatToZero(detectorAverage);
+      m_compressorGain =
+          DenormalDisabler::flushDenormalFloatToZero(compressorGain);
+    }
+  }
+}
+
+void DynamicsCompressorKernel::reset() {
+  m_detectorAverage = 0;
+  m_compressorGain = 1;
+  m_meteringGain = 1;
+
+  // Predelay section.
+  for (unsigned i = 0; i < m_preDelayBuffers.Length(); ++i)
+    memset(m_preDelayBuffers[i].get(), 0, sizeof(float) * MaxPreDelayFrames);
+
+  m_preDelayReadIndex = 0;
+  m_preDelayWriteIndex = DefaultPreDelayFrames;
+
+  m_maxAttackCompressionDiffDb = -1;  // uninitialized state
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/DynamicsCompressorKernel.h b/dom/media/webaudio/blink/DynamicsCompressorKernel.h
new file mode 100644
index 0000000000..bb7defbd7e
--- /dev/null
+++ b/dom/media/webaudio/blink/DynamicsCompressorKernel.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DynamicsCompressorKernel_h
+#define DynamicsCompressorKernel_h
+
+#include "nsTArray.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/UniquePtr.h"
+
+namespace WebCore {
+
+class DynamicsCompressorKernel {
+ public:
+  DynamicsCompressorKernel(float sampleRate, unsigned numberOfChannels);
+
+  void setNumberOfChannels(unsigned);
+
+  // Performs stereo-linked compression.
+  void process(float* sourceChannels[], float* destinationChannels[],
+               unsigned numberOfChannels, unsigned framesToProcess,
+
+               float dbThreshold, float dbKnee, float ratio, float attackTime,
+               float releaseTime, float preDelayTime, float dbPostGain,
+               float effectBlend,
+
+               float releaseZone1, float releaseZone2, float releaseZone3,
+               float releaseZone4);
+
+  void reset();
+
+  unsigned latencyFrames() const { return m_lastPreDelayFrames; }
+
+  float sampleRate() const { return m_sampleRate; }
+
+  float meteringGain() const { return m_meteringGain; }
+
+  size_t sizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ protected:
+  float m_sampleRate;
+
+  float m_detectorAverage;
+  float m_compressorGain;
+
+  // Metering
+  float m_meteringReleaseK;
+  float m_meteringGain;
+
+  // Lookahead section.
+  enum { MaxPreDelayFrames = 1024 };
+  enum { MaxPreDelayFramesMask = MaxPreDelayFrames - 1 };
+  enum {
+    DefaultPreDelayFrames = 256
+  };  // setPreDelayTime() will override this initial value
+  unsigned m_lastPreDelayFrames;
+  void setPreDelayTime(float);
+
+  nsTArray<mozilla::UniquePtr<float[]>> m_preDelayBuffers;
+  int m_preDelayReadIndex;
+  int m_preDelayWriteIndex;
+
+  float m_maxAttackCompressionDiffDb;
+
+  // Static compression curve.
+  float kneeCurve(float x, float k);
+  float saturate(float x, float k);
+  float slopeAt(float x, float k);
+  float kAtSlope(float desiredSlope);
+
+  float updateStaticCurveParameters(float dbThreshold, float dbKnee,
+                                    float ratio);
+
+  // Amount of input change in dB required for 1 dB of output change.
+  // This applies to the portion of the curve above m_kneeThresholdDb (see
+  // below).
+  float m_ratio;
+  float m_slope;  // Inverse ratio.
+
+  // The input to output change below the threshold is linear 1:1.
+  float m_linearThreshold;
+  float m_dbThreshold;
+
+  // m_dbKnee is the number of dB above the threshold before we enter the
+  // "ratio" portion of the curve. m_kneeThresholdDb = m_dbThreshold + m_dbKnee
+  // The portion between m_dbThreshold and m_kneeThresholdDb is the "soft knee"
+  // portion of the curve which transitions smoothly from the linear portion to
+  // the ratio portion.
+  float m_dbKnee;
+  float m_kneeThreshold;
+  float m_kneeThresholdDb;
+  float m_ykneeThresholdDb;
+
+  // Internal parameter for the knee portion of the curve.
+  float m_K;
+};
+
+}  // namespace WebCore
+
+#endif  // DynamicsCompressorKernel_h
diff --git a/dom/media/webaudio/blink/FFTConvolver.cpp b/dom/media/webaudio/blink/FFTConvolver.cpp
new file mode 100644
index 0000000000..2ade9031ce
--- /dev/null
+++ b/dom/media/webaudio/blink/FFTConvolver.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "FFTConvolver.h"
+#include "mozilla/PodOperations.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+FFTConvolver::FFTConvolver(size_t fftSize, size_t renderPhase)
+    : m_frame(fftSize), m_readWriteIndex(renderPhase % (fftSize / 2)) {
+  MOZ_ASSERT(fftSize >= 2 * WEBAUDIO_BLOCK_SIZE);
+  m_inputBuffer.SetLength(fftSize);
+  PodZero(m_inputBuffer.Elements(), fftSize);
+  m_outputBuffer.SetLength(fftSize);
+  PodZero(m_outputBuffer.Elements(), fftSize);
+  m_lastOverlapBuffer.SetLength(fftSize / 2);
+  PodZero(m_lastOverlapBuffer.Elements(), fftSize / 2);
+}
+
+size_t FFTConvolver::sizeOfExcludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = 0;
+  amount += m_frame.SizeOfExcludingThis(aMallocSizeOf);
+  amount += m_inputBuffer.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  amount += m_outputBuffer.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  amount += m_lastOverlapBuffer.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  return amount;
+}
+
+size_t FFTConvolver::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  return aMallocSizeOf(this) + sizeOfExcludingThis(aMallocSizeOf);
+}
+
+const float* FFTConvolver::process(FFTBlock* fftKernel, const float* sourceP) {
+  size_t halfSize = fftSize() / 2;
+
+  // WEBAUDIO_BLOCK_SIZE must be an exact multiple of halfSize,
+  // halfSize must be a multiple of WEBAUDIO_BLOCK_SIZE
+  // and > WEBAUDIO_BLOCK_SIZE.
+  MOZ_ASSERT(halfSize % WEBAUDIO_BLOCK_SIZE == 0 &&
+             WEBAUDIO_BLOCK_SIZE <= halfSize);
+
+  // Copy samples to input buffer (note contraint above!)
+  float* inputP = m_inputBuffer.Elements();
+
+  MOZ_ASSERT(sourceP && inputP &&
+             m_readWriteIndex + WEBAUDIO_BLOCK_SIZE <= m_inputBuffer.Length());
+
+  memcpy(inputP + m_readWriteIndex, sourceP,
+         sizeof(float) * WEBAUDIO_BLOCK_SIZE);
+
+  float* outputP = m_outputBuffer.Elements();
+  m_readWriteIndex += WEBAUDIO_BLOCK_SIZE;
+
+  // Check if it's time to perform the next FFT
+  if (m_readWriteIndex == halfSize) {
+    // The input buffer is now filled (get frequency-domain version)
+    m_frame.PerformFFT(m_inputBuffer.Elements());
+    m_frame.Multiply(*fftKernel);
+    m_frame.GetInverseWithoutScaling(m_outputBuffer.Elements());
+
+    // Overlap-add 1st half from previous time
+    AudioBufferAddWithScale(m_lastOverlapBuffer.Elements(), 1.0f,
+                            m_outputBuffer.Elements(), halfSize);
+
+    // Finally, save 2nd half of result
+    MOZ_ASSERT(m_outputBuffer.Length() == 2 * halfSize &&
+               m_lastOverlapBuffer.Length() == halfSize);
+
+    memcpy(m_lastOverlapBuffer.Elements(), m_outputBuffer.Elements() + halfSize,
+           sizeof(float) * halfSize);
+
+    // Reset index back to start for next time
+    m_readWriteIndex = 0;
+  }
+
+  return outputP + m_readWriteIndex;
+}
+
+void FFTConvolver::reset() {
+  PodZero(m_lastOverlapBuffer.Elements(), m_lastOverlapBuffer.Length());
+  m_readWriteIndex = 0;
+}
+
+size_t FFTConvolver::latencyFrames() const {
+  return std::max<size_t>(fftSize() / 2, WEBAUDIO_BLOCK_SIZE) -
+         WEBAUDIO_BLOCK_SIZE;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/FFTConvolver.h b/dom/media/webaudio/blink/FFTConvolver.h
new file mode 100644
index 0000000000..d54b07f7a4
--- /dev/null
+++ b/dom/media/webaudio/blink/FFTConvolver.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FFTConvolver_h
+#define FFTConvolver_h
+
+#include "nsTArray.h"
+#include "mozilla/FFTBlock.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace WebCore {
+
+typedef AlignedTArray<float> AlignedAudioFloatArray;
+using mozilla::FFTBlock;
+
+class FFTConvolver {
+ public:
+  // |fftSize| must be a power of two.
+  //
+  // |renderPhase| is the initial offset in the initially zero input buffer.
+  // It is coordinated with the other stages, so they don't all do their
+  // FFTs at the same time.
+  explicit FFTConvolver(size_t fftSize, size_t renderPhase = 0);
+
+  // Process WEBAUDIO_BLOCK_SIZE elements of array |sourceP| and return a
+  // pointer to an output array of the same size.
+  //
+  // |fftKernel| must be pre-scaled for FFTBlock::GetInverseWithoutScaling().
+  //
+  // FIXME: Later, we can do more sophisticated buffering to relax this
+  // requirement...
+  const float* process(FFTBlock* fftKernel, const float* sourceP);
+
+  void reset();
+
+  size_t fftSize() const { return m_frame.FFTSize(); }
+
+  // The input to output latency is up to fftSize / 2, but alignment of the
+  // FFTs with the blocks reduces this by one block.
+  size_t latencyFrames() const;
+
+  size_t sizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  FFTBlock m_frame;
+
+  // Buffer input until we get fftSize / 2 samples then do an FFT
+  size_t m_readWriteIndex;
+  AlignedAudioFloatArray m_inputBuffer;
+
+  // Stores output which we read a little at a time
+  AlignedAudioFloatArray m_outputBuffer;
+
+  // Saves the 2nd half of the FFT buffer, so we can do an overlap-add with the
+  // 1st half of the next one
+  AlignedAudioFloatArray m_lastOverlapBuffer;
+};
+
+}  // namespace WebCore
+
+#endif  // FFTConvolver_h
diff --git a/dom/media/webaudio/blink/HRTFDatabase.cpp b/dom/media/webaudio/blink/HRTFDatabase.cpp
new file mode 100644
index 0000000000..54be5ea958
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFDatabase.cpp
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "HRTFDatabase.h"
+
+#include "HRTFElevation.h"
+
+namespace WebCore {
+
+const int HRTFDatabase::MinElevation = -45;
+const int HRTFDatabase::MaxElevation = 90;
+const unsigned HRTFDatabase::RawElevationAngleSpacing = 15;
+const unsigned HRTFDatabase::NumberOfRawElevations =
+    10;  // -45 -> +90 (each 15 degrees)
+const unsigned HRTFDatabase::InterpolationFactor = 1;
+const unsigned HRTFDatabase::NumberOfTotalElevations =
+    NumberOfRawElevations * InterpolationFactor;
+
+nsReturnRef<HRTFDatabase> HRTFDatabase::create(float sampleRate) {
+  return nsReturnRef<HRTFDatabase>(new HRTFDatabase(sampleRate));
+}
+
+HRTFDatabase::HRTFDatabase(float sampleRate) : m_sampleRate(sampleRate) {
+  m_elevations.SetLength(NumberOfTotalElevations);
+
+  unsigned elevationIndex = 0;
+  for (int elevation = MinElevation; elevation <= MaxElevation;
+       elevation += RawElevationAngleSpacing) {
+    nsAutoRef<HRTFElevation> hrtfElevation(
+        HRTFElevation::createBuiltin(elevation, sampleRate));
+    MOZ_ASSERT(hrtfElevation.get());
+    if (!hrtfElevation.get()) return;
+
+    m_elevations[elevationIndex] = hrtfElevation.out();
+    elevationIndex += InterpolationFactor;
+  }
+
+  // Now, go back and interpolate elevations.
+  if (InterpolationFactor > 1) {
+    for (unsigned i = 0; i < NumberOfTotalElevations;
+         i += InterpolationFactor) {
+      unsigned j = (i + InterpolationFactor);
+      if (j >= NumberOfTotalElevations)
+        j = i;  // for last elevation interpolate with itself
+
+      // Create the interpolated convolution kernels and delays.
+      for (unsigned jj = 1; jj < InterpolationFactor; ++jj) {
+        float x =
+            static_cast<float>(jj) / static_cast<float>(InterpolationFactor);
+        m_elevations[i + jj] = HRTFElevation::createByInterpolatingSlices(
+            m_elevations[i].get(), m_elevations[j].get(), x, sampleRate);
+        MOZ_ASSERT(m_elevations[i + jj].get());
+      }
+    }
+  }
+}
+
+size_t HRTFDatabase::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+  amount += m_elevations.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_elevations.Length(); i++) {
+    amount += m_elevations[i]->sizeOfIncludingThis(aMallocSizeOf);
+  }
+
+  return amount;
+}
+
+void HRTFDatabase::getKernelsFromAzimuthElevation(
+    double azimuthBlend, unsigned azimuthIndex, double elevationAngle,
+    HRTFKernel*& kernelL, HRTFKernel*& kernelR, double& frameDelayL,
+    double& frameDelayR) {
+  unsigned elevationIndex = indexFromElevationAngle(elevationAngle);
+  MOZ_ASSERT(elevationIndex < m_elevations.Length() &&
+             m_elevations.Length() > 0);
+
+  if (!m_elevations.Length()) {
+    kernelL = 0;
+    kernelR = 0;
+    return;
+  }
+
+  if (elevationIndex > m_elevations.Length() - 1)
+    elevationIndex = m_elevations.Length() - 1;
+
+  HRTFElevation* hrtfElevation = m_elevations[elevationIndex].get();
+  MOZ_ASSERT(hrtfElevation);
+  if (!hrtfElevation) {
+    kernelL = 0;
+    kernelR = 0;
+    return;
+  }
+
+  hrtfElevation->getKernelsFromAzimuth(azimuthBlend, azimuthIndex, kernelL,
+                                       kernelR, frameDelayL, frameDelayR);
+}
+
+unsigned HRTFDatabase::indexFromElevationAngle(double elevationAngle) {
+  // Clamp to allowed range.
+  elevationAngle =
+      mozilla::clamped(elevationAngle, static_cast<double>(MinElevation),
+                       static_cast<double>(MaxElevation));
+
+  unsigned elevationIndex =
+      static_cast<int>(InterpolationFactor * (elevationAngle - MinElevation) /
+                       RawElevationAngleSpacing);
+  return elevationIndex;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/HRTFDatabase.h b/dom/media/webaudio/blink/HRTFDatabase.h
new file mode 100644
index 0000000000..50cf2958bd
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFDatabase.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef HRTFDatabase_h
+#define HRTFDatabase_h
+
+#include "HRTFElevation.h"
+#include "nsAutoRef.h"
+#include "nsTArray.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace WebCore {
+
+class HRTFKernel;
+
+class HRTFDatabase {
+ public:
+  static nsReturnRef<HRTFDatabase> create(float sampleRate);
+
+  // clang-format off
+    // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and an interpolated left and right frame delay for the given azimuth and elevation.
+    // azimuthBlend must be in the range 0 -> 1.
+    // Valid values for azimuthIndex are 0 -> HRTFElevation::NumberOfTotalAzimuths - 1 (corresponding to angles of 0 -> 360).
+    // Valid values for elevationAngle are MinElevation -> MaxElevation.
+  // clang-format on
+  void getKernelsFromAzimuthElevation(double azimuthBlend,
+                                      unsigned azimuthIndex,
+                                      double elevationAngle,
+                                      HRTFKernel*& kernelL,
+                                      HRTFKernel*& kernelR, double& frameDelayL,
+                                      double& frameDelayR);
+
+  // Returns the number of different azimuth angles.
+  static unsigned numberOfAzimuths() {
+    return HRTFElevation::NumberOfTotalAzimuths;
+  }
+
+  float sampleRate() const { return m_sampleRate; }
+
+  // Number of elevations loaded from resource.
+  static const unsigned NumberOfRawElevations;
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  HRTFDatabase(const HRTFDatabase& other) = delete;
+  void operator=(const HRTFDatabase& other) = delete;
+
+  explicit HRTFDatabase(float sampleRate);
+
+  // Minimum and maximum elevation angles (inclusive) for a HRTFDatabase.
+  static const int MinElevation;
+  static const int MaxElevation;
+  static const unsigned RawElevationAngleSpacing;
+
+  // Interpolates by this factor to get the total number of elevations from
+  // every elevation loaded from resource.
+  static const unsigned InterpolationFactor;
+
+  // Total number of elevations after interpolation.
+  static const unsigned NumberOfTotalElevations;
+
+  // Returns the index for the correct HRTFElevation given the elevation angle.
+  static unsigned indexFromElevationAngle(double);
+
+  nsTArray<nsAutoRef<HRTFElevation> > m_elevations;
+  float m_sampleRate;
+};
+
+}  // namespace WebCore
+
+template <>
+class nsAutoRefTraits<WebCore::HRTFDatabase>
+    : public nsPointerRefTraits<WebCore::HRTFDatabase> {
+ public:
+  static void Release(WebCore::HRTFDatabase* ptr) { delete (ptr); }
+};
+
+#endif  // HRTFDatabase_h
diff --git a/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp b/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp
new file mode 100644
index 0000000000..3db455545e
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp
@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "HRTFDatabaseLoader.h"
+#include "HRTFDatabase.h"
+#include "GeckoProfiler.h"
+#include "nsThreadUtils.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+// Singleton
+nsTHashtable<HRTFDatabaseLoader::LoaderByRateEntry>*
+    HRTFDatabaseLoader::s_loaderMap = nullptr;
+
+size_t HRTFDatabaseLoader::sizeOfLoaders(mozilla::MallocSizeOf aMallocSizeOf) {
+  return s_loaderMap ? s_loaderMap->SizeOfIncludingThis(aMallocSizeOf) : 0;
+}
+
+already_AddRefed<HRTFDatabaseLoader>
+HRTFDatabaseLoader::createAndLoadAsynchronouslyIfNecessary(float sampleRate) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  RefPtr<HRTFDatabaseLoader> loader;
+
+  if (!s_loaderMap) {
+    s_loaderMap = new nsTHashtable<LoaderByRateEntry>();
+  }
+
+  LoaderByRateEntry* entry = s_loaderMap->PutEntry(sampleRate);
+  loader = entry->mLoader;
+  if (loader) {  // existing entry
+    MOZ_ASSERT(sampleRate == loader->databaseSampleRate());
+    return loader.forget();
+  }
+
+  loader = new HRTFDatabaseLoader(sampleRate);
+  entry->mLoader = loader;
+
+  loader->loadAsynchronously();
+
+  return loader.forget();
+}
+
+HRTFDatabaseLoader::HRTFDatabaseLoader(float sampleRate)
+    : m_refCnt(0),
+      m_threadLock("HRTFDatabaseLoader"),
+      m_databaseLoaderThread(nullptr),
+      m_databaseSampleRate(sampleRate),
+      m_databaseLoaded(false) {
+  MOZ_ASSERT(NS_IsMainThread());
+}
+
+HRTFDatabaseLoader::~HRTFDatabaseLoader() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  waitForLoaderThreadCompletion();
+  m_hrtfDatabase.reset();
+
+  if (s_loaderMap) {
+    // Remove ourself from the map.
+    s_loaderMap->RemoveEntry(m_databaseSampleRate);
+    if (s_loaderMap->Count() == 0) {
+      delete s_loaderMap;
+      s_loaderMap = nullptr;
+    }
+  }
+}
+
+size_t HRTFDatabaseLoader::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+
+  // NB: Need to make sure we're not competing with the loader thread.
+  const_cast<HRTFDatabaseLoader*>(this)->waitForLoaderThreadCompletion();
+
+  if (m_hrtfDatabase) {
+    amount += m_hrtfDatabase->sizeOfIncludingThis(aMallocSizeOf);
+  }
+
+  return amount;
+}
+
+class HRTFDatabaseLoader::ProxyReleaseEvent final : public Runnable {
+ public:
+  explicit ProxyReleaseEvent(HRTFDatabaseLoader* loader)
+      : mozilla::Runnable("WebCore::HRTFDatabaseLoader::ProxyReleaseEvent"),
+        mLoader(loader) {}
+  NS_IMETHOD Run() override {
+    mLoader->MainThreadRelease();
+    return NS_OK;
+  }
+
+ private:
+  // Ownership transferred by ProxyRelease
+  HRTFDatabaseLoader* MOZ_OWNING_REF mLoader;
+};
+
+void HRTFDatabaseLoader::ProxyRelease() {
+  nsCOMPtr<nsIEventTarget> mainTarget = GetMainThreadSerialEventTarget();
+  if (MOZ_LIKELY(mainTarget)) {
+    RefPtr<ProxyReleaseEvent> event = new ProxyReleaseEvent(this);
+    DebugOnly<nsresult> rv = mainTarget->Dispatch(event, NS_DISPATCH_NORMAL);
+    MOZ_ASSERT(NS_SUCCEEDED(rv), "Failed to dispatch release event");
+  } else {
+    // Should be in XPCOM shutdown.
+    MOZ_ASSERT(NS_IsMainThread(), "Main thread is not available for dispatch.");
+    MainThreadRelease();
+  }
+}
+
+void HRTFDatabaseLoader::MainThreadRelease() {
+  MOZ_ASSERT(NS_IsMainThread());
+  int count = --m_refCnt;
+  MOZ_ASSERT(count >= 0, "extra release");
+  NS_LOG_RELEASE(this, count, "HRTFDatabaseLoader");
+  if (count == 0) {
+    // It is safe to delete here as the first reference can only be added
+    // on this (main) thread.
+    delete this;
+  }
+}
+
+// Asynchronously load the database in this thread.
+static void databaseLoaderEntry(void* threadData) {
+  AUTO_PROFILER_REGISTER_THREAD("HRTFDatabaseLdr");
+  NS_SetCurrentThreadName("HRTFDatabaseLdr");
+
+  HRTFDatabaseLoader* loader =
+      reinterpret_cast<HRTFDatabaseLoader*>(threadData);
+  MOZ_ASSERT(loader);
+  loader->load();
+}
+
+void HRTFDatabaseLoader::load() {
+  MOZ_ASSERT(!NS_IsMainThread());
+  MOZ_ASSERT(!m_hrtfDatabase.get(), "Called twice");
+  // Load the default HRTF database.
+  m_hrtfDatabase = HRTFDatabase::create(m_databaseSampleRate);
+  m_databaseLoaded = true;
+  // Notifies the main thread of completion.  See loadAsynchronously().
+  Release();
+}
+
+void HRTFDatabaseLoader::loadAsynchronously() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(m_refCnt, "Must not be called before a reference is added");
+
+  // Add a reference so that the destructor won't run and wait for the
+  // loader thread, until load() has completed.
+  AddRef();
+
+  MutexAutoLock locker(m_threadLock);
+
+  MOZ_ASSERT(!m_hrtfDatabase.get() && !m_databaseLoaderThread, "Called twice");
+  // Start the asynchronous database loading process.
+  m_databaseLoaderThread = PR_CreateThread(
+      PR_USER_THREAD, databaseLoaderEntry, this, PR_PRIORITY_NORMAL,
+      PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
+}
+
+bool HRTFDatabaseLoader::isLoaded() const { return m_hrtfDatabase.get(); }
+
+void HRTFDatabaseLoader::waitForLoaderThreadCompletion() {
+  MutexAutoLock locker(m_threadLock);
+
+  // waitForThreadCompletion() should not be called twice for the same thread.
+  if (m_databaseLoaderThread) {
+    DebugOnly<PRStatus> status = PR_JoinThread(m_databaseLoaderThread);
+    MOZ_ASSERT(status == PR_SUCCESS, "PR_JoinThread failed");
+  }
+  m_databaseLoaderThread = nullptr;
+}
+
+void HRTFDatabaseLoader::shutdown() {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (s_loaderMap) {
+    // Set s_loaderMap to nullptr so that the hashtable is not modified on
+    // reference release during enumeration.
+    nsTHashtable<LoaderByRateEntry>* loaderMap = s_loaderMap;
+    s_loaderMap = nullptr;
+    for (auto iter = loaderMap->Iter(); !iter.Done(); iter.Next()) {
+      iter.Get()->mLoader->waitForLoaderThreadCompletion();
+    }
+    delete loaderMap;
+  }
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/HRTFDatabaseLoader.h b/dom/media/webaudio/blink/HRTFDatabaseLoader.h
new file mode 100644
index 0000000000..5d4548d247
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFDatabaseLoader.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef HRTFDatabaseLoader_h
+#define HRTFDatabaseLoader_h
+
+#include "nsHashKeys.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/Mutex.h"
+#include "HRTFDatabase.h"
+
+template <class EntryType>
+class nsTHashtable;
+template <class T>
+class nsAutoRef;
+
+namespace WebCore {
+
+// HRTFDatabaseLoader will asynchronously load the default HRTFDatabase in a new
+// thread.
+
+class HRTFDatabaseLoader {
+ public:
+  // Lazily creates a HRTFDatabaseLoader (if not already created) for the given
+  // sample-rate and starts loading asynchronously (when created the first
+  // time). Returns the HRTFDatabaseLoader. Must be called from the main thread.
+  static already_AddRefed<HRTFDatabaseLoader>
+  createAndLoadAsynchronouslyIfNecessary(float sampleRate);
+
+  // AddRef and Release may be called from any thread.
+  void AddRef() {
+#if defined(DEBUG) || defined(NS_BUILD_REFCNT_LOGGING)
+    int count =
+#endif
+        ++m_refCnt;
+    MOZ_ASSERT(count > 0, "invalid ref count");
+    NS_LOG_ADDREF(this, count, "HRTFDatabaseLoader", sizeof(*this));
+  }
+
+  void Release() {
+    // The last reference can't be removed on a non-main thread because
+    // the object can be accessed on the main thread from the hash
+    // table via createAndLoadAsynchronouslyIfNecessary().
+    int count = m_refCnt;
+    MOZ_ASSERT(count > 0, "extra release");
+    // Optimization attempt to possibly skip proxying the release to the
+    // main thread.
+    if (count != 1 && m_refCnt.compareExchange(count, count - 1)) {
+      NS_LOG_RELEASE(this, count - 1, "HRTFDatabaseLoader");
+      return;
+    }
+
+    ProxyRelease();
+  }
+
+  // Returns true once the default database has been completely loaded.
+  bool isLoaded() const;
+
+  // waitForLoaderThreadCompletion() may be called more than once,
+  // on any thread except m_databaseLoaderThread.
+  void waitForLoaderThreadCompletion();
+
+  HRTFDatabase* database() {
+    if (!m_databaseLoaded) {
+      return nullptr;
+    }
+    return m_hrtfDatabase.get();
+  }
+
+  float databaseSampleRate() const { return m_databaseSampleRate; }
+
+  static void shutdown();
+
+  // Called in asynchronous loading thread.
+  void load();
+
+  // Sums the size of all cached database loaders.
+  static size_t sizeOfLoaders(mozilla::MallocSizeOf aMallocSizeOf);
+
+ private:
+  // Both constructor and destructor must be called from the main thread.
+  explicit HRTFDatabaseLoader(float sampleRate);
+  ~HRTFDatabaseLoader();
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+  void ProxyRelease();       // any thread
+  void MainThreadRelease();  // main thread only
+  class ProxyReleaseEvent;
+
+  // If it hasn't already been loaded, creates a new thread and initiates
+  // asynchronous loading of the default database. This must be called from the
+  // main thread.
+  void loadAsynchronously();
+
+  // Map from sample-rate to loader.
+  class LoaderByRateEntry : public nsFloatHashKey {
+   public:
+    explicit LoaderByRateEntry(KeyTypePointer aKey)
+        : nsFloatHashKey(aKey),
+          mLoader()  // so PutEntry() will zero-initialize
+    {}
+
+    size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+      return mLoader ? mLoader->sizeOfIncludingThis(aMallocSizeOf) : 0;
+    }
+
+    // The HRTFDatabaseLoader removes itself from s_loaderMap on destruction.
+    HRTFDatabaseLoader* MOZ_NON_OWNING_REF mLoader;
+  };
+
+  // Keeps track of loaders on a per-sample-rate basis.
+  static nsTHashtable<LoaderByRateEntry>* s_loaderMap;  // singleton
+
+  mozilla::Atomic<int> m_refCnt;
+
+  nsAutoRef<HRTFDatabase> m_hrtfDatabase;
+
+  // Holding a m_threadLock is required when accessing m_databaseLoaderThread.
+  mozilla::Mutex m_threadLock;
+  PRThread* m_databaseLoaderThread MOZ_GUARDED_BY(m_threadLock);
+
+  float m_databaseSampleRate;
+  mozilla::Atomic<bool> m_databaseLoaded;
+};
+
+}  // namespace WebCore
+
+#endif  // HRTFDatabaseLoader_h
diff --git a/dom/media/webaudio/blink/HRTFElevation.cpp b/dom/media/webaudio/blink/HRTFElevation.cpp
new file mode 100644
index 0000000000..af4e520384
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFElevation.cpp
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "HRTFElevation.h"
+
+#include <speex/speex_resampler.h>
+#include "mozilla/PodOperations.h"
+#include "AudioSampleFormat.h"
+
+#include "IRC_Composite_C_R0195-incl.cpp"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+const int elevationSpacing = irc_composite_c_r0195_elevation_interval;
+const int firstElevation = irc_composite_c_r0195_first_elevation;
+const int numberOfElevations = MOZ_ARRAY_LENGTH(irc_composite_c_r0195);
+
+const unsigned HRTFElevation::NumberOfTotalAzimuths = 360 / 15 * 8;
+
+const int rawSampleRate = irc_composite_c_r0195_sample_rate;
+
+// Number of frames in an individual impulse response.
+const size_t ResponseFrameSize = 256;
+
+size_t HRTFElevation::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+
+  amount += m_kernelListL.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_kernelListL.Length(); i++) {
+    amount += m_kernelListL[i]->sizeOfIncludingThis(aMallocSizeOf);
+  }
+
+  return amount;
+}
+
+size_t HRTFElevation::fftSizeForSampleRate(float sampleRate) {
+  // The IRCAM HRTF impulse responses were 512 sample-frames @44.1KHz,
+  // but these have been truncated to 256 samples.
+  // An FFT-size of twice impulse response size is used (for convolution).
+  // So for sample rates of 44.1KHz an FFT size of 512 is good.
+  // We double the FFT-size only for sample rates at least double this.
+  // If the FFT size is too large then the impulse response will be padded
+  // with zeros without the fade-out provided by HRTFKernel.
+  MOZ_ASSERT(sampleRate > 1.0 && sampleRate < 1048576.0);
+
+  // This is the size if we were to use all raw response samples.
+  unsigned resampledLength =
+      floorf(ResponseFrameSize * sampleRate / rawSampleRate);
+  // Keep things semi-sane, with max FFT size of 1024.
+  unsigned size = std::min(resampledLength, 1023U);
+  // Ensure a minimum of 2 * WEBAUDIO_BLOCK_SIZE (with the size++ below) for
+  // FFTConvolver and set the 8 least significant bits for rounding up to
+  // the next power of 2 below.
+  size |= 2 * WEBAUDIO_BLOCK_SIZE - 1;
+  // Round up to the next power of 2, making the FFT size no more than twice
+  // the impulse response length.  This doubles size for values that are
+  // already powers of 2.  This works by filling in alls bit to right of the
+  // most significant bit.  The most significant bit is no greater than
+  // 1 << 9, and the least significant 8 bits were already set above, so
+  // there is at most one bit to add.
+  size |= (size >> 1);
+  size++;
+  MOZ_ASSERT((size & (size - 1)) == 0);
+
+  return size;
+}
+
+nsReturnRef<HRTFKernel> HRTFElevation::calculateKernelForAzimuthElevation(
+    int azimuth, int elevation, SpeexResamplerState* resampler,
+    float sampleRate) {
+  int elevationIndex = (elevation - firstElevation) / elevationSpacing;
+  MOZ_ASSERT(elevationIndex >= 0 && elevationIndex <= numberOfElevations);
+
+  int numberOfAzimuths = irc_composite_c_r0195[elevationIndex].count;
+  int azimuthSpacing = 360 / numberOfAzimuths;
+  MOZ_ASSERT(numberOfAzimuths * azimuthSpacing == 360);
+
+  int azimuthIndex = azimuth / azimuthSpacing;
+  MOZ_ASSERT(azimuthIndex * azimuthSpacing == azimuth);
+
+  const int16_t(&impulse_response_data)[ResponseFrameSize] =
+      irc_composite_c_r0195[elevationIndex].azimuths[azimuthIndex];
+
+  // When libspeex_resampler is compiled with FIXED_POINT, samples in
+  // speex_resampler_process_float are rounded directly to int16_t, which
+  // only works well if the floats are in the range +/-32767.  On such
+  // platforms it's better to resample before converting to float anyway.
+#ifdef MOZ_SAMPLE_TYPE_S16
+#  define RESAMPLER_PROCESS speex_resampler_process_int
+  const int16_t* response = impulse_response_data;
+  const int16_t* resampledResponse;
+#else
+#  define RESAMPLER_PROCESS speex_resampler_process_float
+  float response[ResponseFrameSize];
+  ConvertAudioSamples(impulse_response_data, response, ResponseFrameSize);
+  float* resampledResponse;
+#endif
+
+  // Note that depending on the fftSize returned by the panner, we may be
+  // truncating the impulse response.
+  const size_t resampledResponseLength = fftSizeForSampleRate(sampleRate) / 2;
+
+  AutoTArray<AudioDataValue, 2 * ResponseFrameSize> resampled;
+  if (sampleRate == rawSampleRate) {
+    resampledResponse = response;
+    MOZ_ASSERT(resampledResponseLength == ResponseFrameSize);
+  } else {
+    resampled.SetLength(resampledResponseLength);
+    resampledResponse = resampled.Elements();
+    speex_resampler_skip_zeros(resampler);
+
+    // Feed the input buffer into the resampler.
+    spx_uint32_t in_len = ResponseFrameSize;
+    spx_uint32_t out_len = resampled.Length();
+    RESAMPLER_PROCESS(resampler, 0, response, &in_len, resampled.Elements(),
+                      &out_len);
+
+    if (out_len < resampled.Length()) {
+      // The input should have all been processed.
+      MOZ_ASSERT(in_len == ResponseFrameSize);
+      // Feed in zeros get the data remaining in the resampler.
+      spx_uint32_t out_index = out_len;
+      in_len = speex_resampler_get_input_latency(resampler);
+      out_len = resampled.Length() - out_index;
+      RESAMPLER_PROCESS(resampler, 0, nullptr, &in_len,
+                        resampled.Elements() + out_index, &out_len);
+      out_index += out_len;
+      // There may be some uninitialized samples remaining for very low
+      // sample rates.
+      PodZero(resampled.Elements() + out_index, resampled.Length() - out_index);
+    }
+
+    speex_resampler_reset_mem(resampler);
+  }
+
+#ifdef MOZ_SAMPLE_TYPE_S16
+  AutoTArray<float, 2 * ResponseFrameSize> floatArray;
+  floatArray.SetLength(resampledResponseLength);
+  float* floatResponse = floatArray.Elements();
+  ConvertAudioSamples(resampledResponse, floatResponse,
+                      resampledResponseLength);
+#else
+  float* floatResponse = resampledResponse;
+#endif
+#undef RESAMPLER_PROCESS
+
+  return HRTFKernel::create(floatResponse, resampledResponseLength, sampleRate);
+}
+
+// The range of elevations for the IRCAM impulse responses varies depending on
+// azimuth, but the minimum elevation appears to always be -45.
+//
+// Here's how it goes:
+static int maxElevations[] = {
+    //  Azimuth
+    //
+    90,  // 0
+    45,  // 15
+    60,  // 30
+    45,  // 45
+    75,  // 60
+    45,  // 75
+    60,  // 90
+    45,  // 105
+    75,  // 120
+    45,  // 135
+    60,  // 150
+    45,  // 165
+    75,  // 180
+    45,  // 195
+    60,  // 210
+    45,  // 225
+    75,  // 240
+    45,  // 255
+    60,  // 270
+    45,  // 285
+    75,  // 300
+    45,  // 315
+    60,  // 330
+    45   //  345
+};
+
+nsReturnRef<HRTFElevation> HRTFElevation::createBuiltin(int elevation,
+                                                        float sampleRate) {
+  if (elevation < firstElevation ||
+      elevation > firstElevation + numberOfElevations * elevationSpacing ||
+      (elevation / elevationSpacing) * elevationSpacing != elevation)
+    return nsReturnRef<HRTFElevation>();
+
+  // Spacing, in degrees, between every azimuth loaded from resource.
+  // Some elevations do not have data for all these intervals.
+  // See maxElevations.
+  static const unsigned AzimuthSpacing = 15;
+  static const unsigned NumberOfRawAzimuths = 360 / AzimuthSpacing;
+  static_assert(AzimuthSpacing * NumberOfRawAzimuths == 360, "Not a multiple");
+  static const unsigned InterpolationFactor =
+      NumberOfTotalAzimuths / NumberOfRawAzimuths;
+  static_assert(
+      NumberOfTotalAzimuths == NumberOfRawAzimuths * InterpolationFactor,
+      "Not a multiple");
+
+  HRTFKernelList kernelListL;
+  kernelListL.SetLength(NumberOfTotalAzimuths);
+
+  SpeexResamplerState* resampler =
+      sampleRate == rawSampleRate
+          ? nullptr
+          : speex_resampler_init(1, rawSampleRate, sampleRate,
+                                 SPEEX_RESAMPLER_QUALITY_MIN, nullptr);
+
+  // Load convolution kernels from HRTF files.
+  int interpolatedIndex = 0;
+  for (unsigned rawIndex = 0; rawIndex < NumberOfRawAzimuths; ++rawIndex) {
+    // Don't let elevation exceed maximum for this azimuth.
+    int maxElevation = maxElevations[rawIndex];
+    int actualElevation = std::min(elevation, maxElevation);
+
+    kernelListL[interpolatedIndex] = calculateKernelForAzimuthElevation(
+        rawIndex * AzimuthSpacing, actualElevation, resampler, sampleRate);
+
+    interpolatedIndex += InterpolationFactor;
+  }
+
+  if (resampler) speex_resampler_destroy(resampler);
+
+  // Now go back and interpolate intermediate azimuth values.
+  for (unsigned i = 0; i < NumberOfTotalAzimuths; i += InterpolationFactor) {
+    int j = (i + InterpolationFactor) % NumberOfTotalAzimuths;
+
+    // Create the interpolated convolution kernels and delays.
+    for (unsigned jj = 1; jj < InterpolationFactor; ++jj) {
+      float x =
+          float(jj) / float(InterpolationFactor);  // interpolate from 0 -> 1
+
+      kernelListL[i + jj] = HRTFKernel::createInterpolatedKernel(
+          kernelListL[i], kernelListL[j], x);
+    }
+  }
+
+  return nsReturnRef<HRTFElevation>(
+      new HRTFElevation(std::move(kernelListL), elevation, sampleRate));
+}
+
+nsReturnRef<HRTFElevation> HRTFElevation::createByInterpolatingSlices(
+    HRTFElevation* hrtfElevation1, HRTFElevation* hrtfElevation2, float x,
+    float sampleRate) {
+  MOZ_ASSERT(hrtfElevation1 && hrtfElevation2);
+  if (!hrtfElevation1 || !hrtfElevation2) return nsReturnRef<HRTFElevation>();
+
+  MOZ_ASSERT(x >= 0.0 && x < 1.0);
+
+  HRTFKernelList kernelListL;
+  kernelListL.SetLength(NumberOfTotalAzimuths);
+
+  const HRTFKernelList& kernelListL1 = hrtfElevation1->kernelListL();
+  const HRTFKernelList& kernelListL2 = hrtfElevation2->kernelListL();
+
+  // Interpolate kernels of corresponding azimuths of the two elevations.
+  for (unsigned i = 0; i < NumberOfTotalAzimuths; ++i) {
+    kernelListL[i] = HRTFKernel::createInterpolatedKernel(kernelListL1[i],
+                                                          kernelListL2[i], x);
+  }
+
+  // Interpolate elevation angle.
+  double angle = (1.0 - x) * hrtfElevation1->elevationAngle() +
+                 x * hrtfElevation2->elevationAngle();
+
+  return nsReturnRef<HRTFElevation>(new HRTFElevation(
+      std::move(kernelListL), static_cast<int>(angle), sampleRate));
+}
+
+void HRTFElevation::getKernelsFromAzimuth(
+    double azimuthBlend, unsigned azimuthIndex, HRTFKernel*& kernelL,
+    HRTFKernel*& kernelR, double& frameDelayL, double& frameDelayR) {
+  bool checkAzimuthBlend = azimuthBlend >= 0.0 && azimuthBlend < 1.0;
+  MOZ_ASSERT(checkAzimuthBlend);
+  if (!checkAzimuthBlend) azimuthBlend = 0.0;
+
+  unsigned numKernels = m_kernelListL.Length();
+
+  bool isIndexGood = azimuthIndex < numKernels;
+  MOZ_ASSERT(isIndexGood);
+  if (!isIndexGood) {
+    kernelL = 0;
+    kernelR = 0;
+    return;
+  }
+
+  // Return the left and right kernels,
+  // using symmetry to produce the right kernel.
+  kernelL = m_kernelListL[azimuthIndex];
+  int azimuthIndexR = (numKernels - azimuthIndex) % numKernels;
+  kernelR = m_kernelListL[azimuthIndexR];
+
+  frameDelayL = kernelL->frameDelay();
+  frameDelayR = kernelR->frameDelay();
+
+  int azimuthIndex2L = (azimuthIndex + 1) % numKernels;
+  double frameDelay2L = m_kernelListL[azimuthIndex2L]->frameDelay();
+  int azimuthIndex2R = (numKernels - azimuthIndex2L) % numKernels;
+  double frameDelay2R = m_kernelListL[azimuthIndex2R]->frameDelay();
+
+  // Linearly interpolate delays.
+  frameDelayL =
+      (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay2L;
+  frameDelayR =
+      (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/HRTFElevation.h b/dom/media/webaudio/blink/HRTFElevation.h
new file mode 100644
index 0000000000..cd54bbc04a
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFElevation.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef HRTFElevation_h
+#define HRTFElevation_h
+
+#include "HRTFKernel.h"
+#include "nsAutoRef.h"
+#include "mozilla/MemoryReporting.h"
+
+struct SpeexResamplerState_;
+typedef struct SpeexResamplerState_ SpeexResamplerState;
+
+namespace WebCore {
+
+// HRTFElevation contains all of the HRTFKernels (one left ear and one right ear
+// per azimuth angle) for a particular elevation.
+
+class HRTFElevation {
+ public:
+  // Loads and returns an HRTFElevation with the given HRTF database subject
+  // name and elevation from browser (or WebKit.framework) resources. Normally,
+  // there will only be a single HRTF database set, but this API supports the
+  // possibility of multiple ones with different names. Interpolated azimuths
+  // will be generated based on InterpolationFactor. Valid values for elevation
+  // are -45 -> +90 in 15 degree increments.
+  static nsReturnRef<HRTFElevation> createBuiltin(int elevation,
+                                                  float sampleRate);
+
+  // Given two HRTFElevations, and an interpolation factor x: 0 -> 1, returns an
+  // interpolated HRTFElevation.
+  static nsReturnRef<HRTFElevation> createByInterpolatingSlices(
+      HRTFElevation* hrtfElevation1, HRTFElevation* hrtfElevation2, float x,
+      float sampleRate);
+
+  double elevationAngle() const { return m_elevationAngle; }
+  unsigned numberOfAzimuths() const { return NumberOfTotalAzimuths; }
+  float sampleRate() const { return m_sampleRate; }
+
+  // Returns the left and right kernels for the given azimuth index.
+  // The interpolated delays based on azimuthBlend: 0 -> 1 are returned in
+  // frameDelayL and frameDelayR.
+  void getKernelsFromAzimuth(double azimuthBlend, unsigned azimuthIndex,
+                             HRTFKernel*& kernelL, HRTFKernel*& kernelR,
+                             double& frameDelayL, double& frameDelayR);
+
+  // Total number of azimuths after interpolation.
+  static const unsigned NumberOfTotalAzimuths;
+
+  static size_t fftSizeForSampleRate(float sampleRate);
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  HRTFElevation(const HRTFElevation& other) = delete;
+  void operator=(const HRTFElevation& other) = delete;
+
+  HRTFElevation(HRTFKernelList&& kernelListL, int elevation, float sampleRate)
+      : m_kernelListL(std::move(kernelListL)),
+        m_elevationAngle(elevation),
+        m_sampleRate(sampleRate) {}
+
+  // Returns the list of left ear HRTFKernels for all the azimuths going from 0
+  // to 360 degrees.
+  const HRTFKernelList& kernelListL() { return m_kernelListL; }
+
+  // Given a specific azimuth and elevation angle, returns the left HRTFKernel.
+  // Values for azimuth must be multiples of 15 in 0 -> 345,
+  // but not all azimuths are available for elevations > +45.
+  // Valid values for elevation are -45 -> +90 in 15 degree increments.
+  static nsReturnRef<HRTFKernel> calculateKernelForAzimuthElevation(
+      int azimuth, int elevation, SpeexResamplerState* resampler,
+      float sampleRate);
+
+  HRTFKernelList m_kernelListL;
+  double m_elevationAngle;
+  float m_sampleRate;
+};
+
+}  // namespace WebCore
+
+template <>
+class nsAutoRefTraits<WebCore::HRTFElevation>
+    : public nsPointerRefTraits<WebCore::HRTFElevation> {
+ public:
+  static void Release(WebCore::HRTFElevation* ptr) { delete (ptr); }
+};
+
+#endif  // HRTFElevation_h
diff --git a/dom/media/webaudio/blink/HRTFKernel.cpp b/dom/media/webaudio/blink/HRTFKernel.cpp
new file mode 100644
index 0000000000..ecaa846a66
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFKernel.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "HRTFKernel.h"
+namespace WebCore {
+
+// Takes the input audio channel |impulseP| as an input impulse response and
+// calculates the average group delay. This represents the initial delay before
+// the most energetic part of the impulse response. The sample-frame delay is
+// removed from the |impulseP| impulse response, and this value  is returned.
+// The |length| of the passed in |impulseP| must be must be a power of 2.
+static float extractAverageGroupDelay(float* impulseP, size_t length) {
+  // Check for power-of-2.
+  MOZ_ASSERT(length && (length & (length - 1)) == 0);
+
+  FFTBlock estimationFrame(length);
+  estimationFrame.PerformFFT(impulseP);
+
+  float frameDelay =
+      static_cast<float>(estimationFrame.ExtractAverageGroupDelay());
+  estimationFrame.GetInverse(impulseP);
+
+  return frameDelay;
+}
+
+HRTFKernel::HRTFKernel(float* impulseResponse, size_t length, float sampleRate)
+    : m_frameDelay(0), m_sampleRate(sampleRate) {
+  AlignedTArray<float> buffer;
+  // copy to a 32-byte aligned buffer
+  if (((uintptr_t)impulseResponse & 31) != 0) {
+    buffer.SetLength(length);
+    mozilla::PodCopy(buffer.Elements(), impulseResponse, length);
+    impulseResponse = buffer.Elements();
+  }
+
+  // Determine the leading delay (average group delay) for the response.
+  m_frameDelay = extractAverageGroupDelay(impulseResponse, length);
+
+  // The FFT size (with zero padding) needs to be twice the response length
+  // in order to do proper convolution.
+  unsigned fftSize = 2 * length;
+
+  // Quick fade-out (apply window) at truncation point
+  // because the impulse response has been truncated.
+  unsigned numberOfFadeOutFrames = static_cast<unsigned>(
+      sampleRate / 4410);  // 10 sample-frames @44.1KHz sample-rate
+  MOZ_ASSERT(numberOfFadeOutFrames < length);
+  if (numberOfFadeOutFrames < length) {
+    for (unsigned i = length - numberOfFadeOutFrames; i < length; ++i) {
+      float x =
+          1.0f - static_cast<float>(i - (length - numberOfFadeOutFrames)) /
+                     numberOfFadeOutFrames;
+      impulseResponse[i] *= x;
+    }
+  }
+
+  m_fftFrame = mozilla::MakeUnique<FFTBlock>(fftSize);
+  m_fftFrame->PadAndMakeScaledDFT(impulseResponse, length);
+}
+
+// Interpolates two kernels with x: 0 -> 1 and returns the result.
+nsReturnRef<HRTFKernel> HRTFKernel::createInterpolatedKernel(
+    HRTFKernel* kernel1, HRTFKernel* kernel2, float x) {
+  MOZ_ASSERT(kernel1 && kernel2);
+  if (!kernel1 || !kernel2) return nsReturnRef<HRTFKernel>();
+
+  MOZ_ASSERT(x >= 0.0 && x < 1.0);
+  x = mozilla::clamped(x, 0.0f, 1.0f);
+
+  float sampleRate1 = kernel1->sampleRate();
+  float sampleRate2 = kernel2->sampleRate();
+  MOZ_ASSERT(sampleRate1 == sampleRate2);
+  if (sampleRate1 != sampleRate2) return nsReturnRef<HRTFKernel>();
+
+  float frameDelay =
+      (1 - x) * kernel1->frameDelay() + x * kernel2->frameDelay();
+
+  UniquePtr<FFTBlock> interpolatedFrame(FFTBlock::CreateInterpolatedBlock(
+      *kernel1->fftFrame(), *kernel2->fftFrame(), x));
+  return HRTFKernel::create(std::move(interpolatedFrame), frameDelay,
+                            sampleRate1);
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/HRTFKernel.h b/dom/media/webaudio/blink/HRTFKernel.h
new file mode 100644
index 0000000000..34479f6301
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFKernel.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef HRTFKernel_h
+#define HRTFKernel_h
+
+#include "nsAutoRef.h"
+#include "nsTArray.h"
+#include "mozilla/FFTBlock.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/UniquePtr.h"
+
+namespace WebCore {
+
+using mozilla::FFTBlock;
+using mozilla::UniquePtr;
+
+// HRTF stands for Head-Related Transfer Function.
+// HRTFKernel is a frequency-domain representation of an impulse-response used
+// as part of the spatialized panning system. For a given azimuth / elevation
+// angle there will be one HRTFKernel for the left ear transfer function, and
+// one for the right ear. The leading delay (average group delay) for each
+// impulse response is extracted:
+//      m_fftFrame is the frequency-domain representation of the impulse
+//                 response with the delay removed
+//      m_frameDelay is the leading delay of the original impulse response.
+class HRTFKernel {
+ public:
+  // Note: this is destructive on the passed in |impulseResponse|.
+  // The |length| of |impulseResponse| must be a power of two.
+  // The size of the DFT will be |2 * length|.
+  static nsReturnRef<HRTFKernel> create(float* impulseResponse, size_t length,
+                                        float sampleRate);
+
+  static nsReturnRef<HRTFKernel> create(UniquePtr<FFTBlock> fftFrame,
+                                        float frameDelay, float sampleRate);
+
+  // Given two HRTFKernels, and an interpolation factor x: 0 -> 1, returns an
+  // interpolated HRTFKernel.
+  static nsReturnRef<HRTFKernel> createInterpolatedKernel(HRTFKernel* kernel1,
+                                                          HRTFKernel* kernel2,
+                                                          float x);
+
+  FFTBlock* fftFrame() { return m_fftFrame.get(); }
+
+  size_t fftSize() const { return m_fftFrame->FFTSize(); }
+  float frameDelay() const { return m_frameDelay; }
+
+  float sampleRate() const { return m_sampleRate; }
+  double nyquist() const { return 0.5 * sampleRate(); }
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+    size_t amount = aMallocSizeOf(this);
+    amount += m_fftFrame->SizeOfIncludingThis(aMallocSizeOf);
+    return amount;
+  }
+
+ private:
+  HRTFKernel(const HRTFKernel& other) = delete;
+  void operator=(const HRTFKernel& other) = delete;
+
+  // Note: this is destructive on the passed in |impulseResponse|.
+  HRTFKernel(float* impulseResponse, size_t fftSize, float sampleRate);
+
+  HRTFKernel(UniquePtr<FFTBlock> fftFrame, float frameDelay, float sampleRate)
+      : m_fftFrame(std::move(fftFrame)),
+        m_frameDelay(frameDelay),
+        m_sampleRate(sampleRate) {}
+
+  UniquePtr<FFTBlock> m_fftFrame;
+  float m_frameDelay;
+  float m_sampleRate;
+};
+
+typedef nsTArray<nsAutoRef<HRTFKernel> > HRTFKernelList;
+
+}  // namespace WebCore
+
+template <>
+class nsAutoRefTraits<WebCore::HRTFKernel>
+    : public nsPointerRefTraits<WebCore::HRTFKernel> {
+ public:
+  static void Release(WebCore::HRTFKernel* ptr) { delete (ptr); }
+};
+
+namespace WebCore {
+
+inline nsReturnRef<HRTFKernel> HRTFKernel::create(float* impulseResponse,
+                                                  size_t length,
+                                                  float sampleRate) {
+  return nsReturnRef<HRTFKernel>(
+      new HRTFKernel(impulseResponse, length, sampleRate));
+}
+
+inline nsReturnRef<HRTFKernel> HRTFKernel::create(UniquePtr<FFTBlock> fftFrame,
+                                                  float frameDelay,
+                                                  float sampleRate) {
+  return nsReturnRef<HRTFKernel>(
+      new HRTFKernel(std::move(fftFrame), frameDelay, sampleRate));
+}
+
+}  // namespace WebCore
+
+#endif  // HRTFKernel_h
diff --git a/dom/media/webaudio/blink/HRTFPanner.cpp b/dom/media/webaudio/blink/HRTFPanner.cpp
new file mode 100644
index 0000000000..3d01fb5b39
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFPanner.cpp
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 2010, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "HRTFPanner.h"
+#include "HRTFDatabaseLoader.h"
+
+#include "FFTConvolver.h"
+#include "HRTFDatabase.h"
+#include "AudioBlock.h"
+
+using namespace mozilla;
+using dom::ChannelInterpretation;
+
+namespace WebCore {
+
+// The value of 2 milliseconds is larger than the largest delay which exists in
+// any HRTFKernel from the default HRTFDatabase (0.0136 seconds). We ASSERT the
+// delay values used in process() with this value.
+const float MaxDelayTimeSeconds = 0.002f;
+
+const int UninitializedAzimuth = -1;
+
+HRTFPanner::HRTFPanner(float sampleRate,
+                       already_AddRefed<HRTFDatabaseLoader> databaseLoader)
+    : m_databaseLoader(databaseLoader),
+      m_sampleRate(sampleRate),
+      m_crossfadeSelection(CrossfadeSelection1),
+      m_azimuthIndex1(UninitializedAzimuth),
+      m_azimuthIndex2(UninitializedAzimuth)
+      // m_elevation1 and m_elevation2 are initialized in pan()
+      ,
+      m_crossfadeX(0),
+      m_crossfadeIncr(0),
+      m_convolverL1(HRTFElevation::fftSizeForSampleRate(sampleRate)),
+      m_convolverR1(m_convolverL1.fftSize()),
+      m_convolverL2(m_convolverL1.fftSize()),
+      m_convolverR2(m_convolverL1.fftSize()),
+      m_delayLine(MaxDelayTimeSeconds * sampleRate) {
+  MOZ_ASSERT(m_databaseLoader);
+  MOZ_COUNT_CTOR(HRTFPanner);
+}
+
+HRTFPanner::~HRTFPanner() { MOZ_COUNT_DTOR(HRTFPanner); }
+
+size_t HRTFPanner::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+
+  // NB: m_databaseLoader can be shared, so it is not measured here
+  amount += m_convolverL1.sizeOfExcludingThis(aMallocSizeOf);
+  amount += m_convolverR1.sizeOfExcludingThis(aMallocSizeOf);
+  amount += m_convolverL2.sizeOfExcludingThis(aMallocSizeOf);
+  amount += m_convolverR2.sizeOfExcludingThis(aMallocSizeOf);
+  amount += m_delayLine.SizeOfExcludingThis(aMallocSizeOf);
+
+  return amount;
+}
+
+void HRTFPanner::reset() {
+  m_azimuthIndex1 = UninitializedAzimuth;
+  m_azimuthIndex2 = UninitializedAzimuth;
+  // m_elevation1 and m_elevation2 are initialized in pan()
+  m_crossfadeSelection = CrossfadeSelection1;
+  m_crossfadeX = 0.0f;
+  m_crossfadeIncr = 0.0f;
+  m_convolverL1.reset();
+  m_convolverR1.reset();
+  m_convolverL2.reset();
+  m_convolverR2.reset();
+  m_delayLine.Reset();
+}
+
+int HRTFPanner::calculateDesiredAzimuthIndexAndBlend(double azimuth,
+                                                     double& azimuthBlend) {
+  // Convert the azimuth angle from the range -180 -> +180 into the range 0 ->
+  // 360. The azimuth index may then be calculated from this positive value.
+  if (azimuth < 0) azimuth += 360.0;
+
+  int numberOfAzimuths = HRTFDatabase::numberOfAzimuths();
+  const double angleBetweenAzimuths = 360.0 / numberOfAzimuths;
+
+  // Calculate the azimuth index and the blend (0 -> 1) for interpolation.
+  double desiredAzimuthIndexFloat = azimuth / angleBetweenAzimuths;
+  int desiredAzimuthIndex = static_cast<int>(desiredAzimuthIndexFloat);
+  azimuthBlend =
+      desiredAzimuthIndexFloat - static_cast<double>(desiredAzimuthIndex);
+
+  // We don't immediately start using this azimuth index, but instead approach
+  // this index from the last index we rendered at. This minimizes the clicks
+  // and graininess for moving sources which occur otherwise.
+  desiredAzimuthIndex = std::max(0, desiredAzimuthIndex);
+  desiredAzimuthIndex = std::min(numberOfAzimuths - 1, desiredAzimuthIndex);
+  return desiredAzimuthIndex;
+}
+
+void HRTFPanner::pan(double desiredAzimuth, double elevation,
+                     const AudioBlock* inputBus, AudioBlock* outputBus) {
+#ifdef DEBUG
+  unsigned numInputChannels = inputBus->IsNull() ? 0 : inputBus->ChannelCount();
+
+  MOZ_ASSERT(numInputChannels <= 2);
+  MOZ_ASSERT(inputBus->GetDuration() == WEBAUDIO_BLOCK_SIZE);
+#endif
+
+  bool isOutputGood = outputBus && outputBus->ChannelCount() == 2 &&
+                      outputBus->GetDuration() == WEBAUDIO_BLOCK_SIZE;
+  MOZ_ASSERT(isOutputGood);
+
+  if (!isOutputGood) {
+    if (outputBus) outputBus->SetNull(outputBus->GetDuration());
+    return;
+  }
+
+  HRTFDatabase* database = m_databaseLoader->database();
+  if (!database) {  // not yet loaded
+    outputBus->SetNull(outputBus->GetDuration());
+    return;
+  }
+
+  // IRCAM HRTF azimuths values from the loaded database is reversed from the
+  // panner's notion of azimuth.
+  double azimuth = -desiredAzimuth;
+
+  bool isAzimuthGood = azimuth >= -180.0 && azimuth <= 180.0;
+  MOZ_ASSERT(isAzimuthGood);
+  if (!isAzimuthGood) {
+    outputBus->SetNull(outputBus->GetDuration());
+    return;
+  }
+
+  // Normally, we'll just be dealing with mono sources.
+  // If we have a stereo input, implement stereo panning with left source
+  // processed by left HRTF, and right source by right HRTF.
+
+  // Get destination pointers.
+  float* destinationL =
+      static_cast<float*>(const_cast<void*>(outputBus->mChannelData[0]));
+  float* destinationR =
+      static_cast<float*>(const_cast<void*>(outputBus->mChannelData[1]));
+
+  double azimuthBlend;
+  int desiredAzimuthIndex =
+      calculateDesiredAzimuthIndexAndBlend(azimuth, azimuthBlend);
+
+  // Initially snap azimuth and elevation values to first values encountered.
+  if (m_azimuthIndex1 == UninitializedAzimuth) {
+    m_azimuthIndex1 = desiredAzimuthIndex;
+    m_elevation1 = elevation;
+  }
+  if (m_azimuthIndex2 == UninitializedAzimuth) {
+    m_azimuthIndex2 = desiredAzimuthIndex;
+    m_elevation2 = elevation;
+  }
+
+  // Cross-fade / transition over a period of around 45 milliseconds.
+  // This is an empirical value tuned to be a reasonable trade-off between
+  // smoothness and speed.
+  const double fadeFrames = sampleRate() <= 48000 ? 2048 : 4096;
+
+  // Check for azimuth and elevation changes, initiating a cross-fade if needed.
+  if (!m_crossfadeX && m_crossfadeSelection == CrossfadeSelection1) {
+    if (desiredAzimuthIndex != m_azimuthIndex1 || elevation != m_elevation1) {
+      // Cross-fade from 1 -> 2
+      m_crossfadeIncr = 1 / fadeFrames;
+      m_azimuthIndex2 = desiredAzimuthIndex;
+      m_elevation2 = elevation;
+    }
+  }
+  if (m_crossfadeX == 1 && m_crossfadeSelection == CrossfadeSelection2) {
+    if (desiredAzimuthIndex != m_azimuthIndex2 || elevation != m_elevation2) {
+      // Cross-fade from 2 -> 1
+      m_crossfadeIncr = -1 / fadeFrames;
+      m_azimuthIndex1 = desiredAzimuthIndex;
+      m_elevation1 = elevation;
+    }
+  }
+
+  // Get the HRTFKernels and interpolated delays.
+  HRTFKernel* kernelL1;
+  HRTFKernel* kernelR1;
+  HRTFKernel* kernelL2;
+  HRTFKernel* kernelR2;
+  double frameDelayL1;
+  double frameDelayR1;
+  double frameDelayL2;
+  double frameDelayR2;
+  database->getKernelsFromAzimuthElevation(azimuthBlend, m_azimuthIndex1,
+                                           m_elevation1, kernelL1, kernelR1,
+                                           frameDelayL1, frameDelayR1);
+  database->getKernelsFromAzimuthElevation(azimuthBlend, m_azimuthIndex2,
+                                           m_elevation2, kernelL2, kernelR2,
+                                           frameDelayL2, frameDelayR2);
+
+  bool areKernelsGood = kernelL1 && kernelR1 && kernelL2 && kernelR2;
+  MOZ_ASSERT(areKernelsGood);
+  if (!areKernelsGood) {
+    outputBus->SetNull(outputBus->GetDuration());
+    return;
+  }
+
+  MOZ_ASSERT(frameDelayL1 / sampleRate() < MaxDelayTimeSeconds &&
+             frameDelayR1 / sampleRate() < MaxDelayTimeSeconds);
+  MOZ_ASSERT(frameDelayL2 / sampleRate() < MaxDelayTimeSeconds &&
+             frameDelayR2 / sampleRate() < MaxDelayTimeSeconds);
+
+  // Crossfade inter-aural delays based on transitions.
+  float frameDelaysL[WEBAUDIO_BLOCK_SIZE];
+  float frameDelaysR[WEBAUDIO_BLOCK_SIZE];
+  {
+    float x = m_crossfadeX;
+    float incr = m_crossfadeIncr;
+    for (unsigned i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
+      frameDelaysL[i] = (1 - x) * frameDelayL1 + x * frameDelayL2;
+      frameDelaysR[i] = (1 - x) * frameDelayR1 + x * frameDelayR2;
+      x += incr;
+    }
+  }
+
+  // First run through delay lines for inter-aural time difference.
+  m_delayLine.Write(*inputBus);
+  // "Speakers" means a mono input is read into both outputs (with possibly
+  // different delays).
+  m_delayLine.ReadChannel(frameDelaysL, outputBus, 0,
+                          ChannelInterpretation::Speakers);
+  m_delayLine.ReadChannel(frameDelaysR, outputBus, 1,
+                          ChannelInterpretation::Speakers);
+  m_delayLine.NextBlock();
+
+  bool needsCrossfading = m_crossfadeIncr;
+
+  const float* convolutionDestinationL1;
+  const float* convolutionDestinationR1;
+  const float* convolutionDestinationL2;
+  const float* convolutionDestinationR2;
+
+  // Now do the convolutions.
+  // Note that we avoid doing convolutions on both sets of convolvers if we're
+  // not currently cross-fading.
+
+  if (m_crossfadeSelection == CrossfadeSelection1 || needsCrossfading) {
+    convolutionDestinationL1 =
+        m_convolverL1.process(kernelL1->fftFrame(), destinationL);
+    convolutionDestinationR1 =
+        m_convolverR1.process(kernelR1->fftFrame(), destinationR);
+  }
+
+  if (m_crossfadeSelection == CrossfadeSelection2 || needsCrossfading) {
+    convolutionDestinationL2 =
+        m_convolverL2.process(kernelL2->fftFrame(), destinationL);
+    convolutionDestinationR2 =
+        m_convolverR2.process(kernelR2->fftFrame(), destinationR);
+  }
+
+  if (needsCrossfading) {
+    // Apply linear cross-fade.
+    float x = m_crossfadeX;
+    float incr = m_crossfadeIncr;
+    for (unsigned i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
+      destinationL[i] = (1 - x) * convolutionDestinationL1[i] +
+                        x * convolutionDestinationL2[i];
+      destinationR[i] = (1 - x) * convolutionDestinationR1[i] +
+                        x * convolutionDestinationR2[i];
+      x += incr;
+    }
+    // Update cross-fade value from local.
+    m_crossfadeX = x;
+
+    if (m_crossfadeIncr > 0 && fabs(m_crossfadeX - 1) < m_crossfadeIncr) {
+      // We've fully made the crossfade transition from 1 -> 2.
+      m_crossfadeSelection = CrossfadeSelection2;
+      m_crossfadeX = 1;
+      m_crossfadeIncr = 0;
+    } else if (m_crossfadeIncr < 0 && fabs(m_crossfadeX) < -m_crossfadeIncr) {
+      // We've fully made the crossfade transition from 2 -> 1.
+      m_crossfadeSelection = CrossfadeSelection1;
+      m_crossfadeX = 0;
+      m_crossfadeIncr = 0;
+    }
+  } else {
+    const float* sourceL;
+    const float* sourceR;
+    if (m_crossfadeSelection == CrossfadeSelection1) {
+      sourceL = convolutionDestinationL1;
+      sourceR = convolutionDestinationR1;
+    } else {
+      sourceL = convolutionDestinationL2;
+      sourceR = convolutionDestinationR2;
+    }
+    PodCopy(destinationL, sourceL, WEBAUDIO_BLOCK_SIZE);
+    PodCopy(destinationR, sourceR, WEBAUDIO_BLOCK_SIZE);
+  }
+}
+
+int HRTFPanner::maxTailFrames() const {
+  // Although the ideal tail time would be the length of the impulse
+  // response, there is additional tail time from the approximations in the
+  // implementation.  Because HRTFPanner is implemented with a DelayKernel
+  // and a FFTConvolver, the tailTime of the HRTFPanner is the sum of the
+  // tailTime of the DelayKernel and the tailTime of the FFTConvolver.  The
+  // FFTs of the convolver are fftSize(), half of which is latency, but this
+  // is aligned with blocks and so is reduced by the one block which is
+  // processed immediately.
+  return m_delayLine.MaxDelayTicks() + m_convolverL1.fftSize() / 2 +
+         m_convolverL1.latencyFrames();
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/HRTFPanner.h b/dom/media/webaudio/blink/HRTFPanner.h
new file mode 100644
index 0000000000..b30689557b
--- /dev/null
+++ b/dom/media/webaudio/blink/HRTFPanner.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2010, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef HRTFPanner_h
+#define HRTFPanner_h
+
+#include "FFTConvolver.h"
+#include "DelayBuffer.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace mozilla {
+class AudioBlock;
+}  // namespace mozilla
+
+namespace WebCore {
+
+typedef nsTArray<float> AudioFloatArray;
+
+class HRTFDatabaseLoader;
+
+using mozilla::AudioBlock;
+
+class HRTFPanner {
+ public:
+  HRTFPanner(float sampleRate,
+             already_AddRefed<HRTFDatabaseLoader> databaseLoader);
+  ~HRTFPanner();
+
+  // chunk durations must be 128
+  void pan(double azimuth, double elevation, const AudioBlock* inputBus,
+           AudioBlock* outputBus);
+  void reset();
+
+  size_t fftSize() const { return m_convolverL1.fftSize(); }
+
+  float sampleRate() const { return m_sampleRate; }
+
+  int maxTailFrames() const;
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  // Given an azimuth angle in the range -180 -> +180, returns the corresponding
+  // azimuth index for the database, and azimuthBlend which is an interpolation
+  // value from 0 -> 1.
+  int calculateDesiredAzimuthIndexAndBlend(double azimuth,
+                                           double& azimuthBlend);
+
+  RefPtr<HRTFDatabaseLoader> m_databaseLoader;
+
+  float m_sampleRate;
+
+  // We maintain two sets of convolvers for smooth cross-faded interpolations
+  // when then azimuth and elevation are dynamically changing. When the azimuth
+  // and elevation are not changing, we simply process with one of the two sets.
+  // Initially we use CrossfadeSelection1 corresponding to m_convolverL1 and
+  // m_convolverR1. Whenever the azimuth or elevation changes, a crossfade is
+  // initiated to transition to the new position. So if we're currently
+  // processing with CrossfadeSelection1, then we transition to
+  // CrossfadeSelection2 (and vice versa). If we're in the middle of a
+  // transition, then we wait until it is complete before initiating a new
+  // transition.
+
+  // Selects either the convolver set (m_convolverL1, m_convolverR1) or
+  // (m_convolverL2, m_convolverR2).
+  enum CrossfadeSelection { CrossfadeSelection1, CrossfadeSelection2 };
+
+  CrossfadeSelection m_crossfadeSelection;
+
+  // azimuth/elevation for CrossfadeSelection1.
+  int m_azimuthIndex1;
+  double m_elevation1;
+
+  // azimuth/elevation for CrossfadeSelection2.
+  int m_azimuthIndex2;
+  double m_elevation2;
+
+  // A crossfade value 0 <= m_crossfadeX <= 1.
+  float m_crossfadeX;
+
+  // Per-sample-frame crossfade value increment.
+  float m_crossfadeIncr;
+
+  FFTConvolver m_convolverL1;
+  FFTConvolver m_convolverR1;
+  FFTConvolver m_convolverL2;
+  FFTConvolver m_convolverR2;
+
+  mozilla::DelayBuffer m_delayLine;
+
+  AudioFloatArray m_tempL1;
+  AudioFloatArray m_tempR1;
+  AudioFloatArray m_tempL2;
+  AudioFloatArray m_tempR2;
+};
+
+}  // namespace WebCore
+
+#endif  // HRTFPanner_h
diff --git a/dom/media/webaudio/blink/IIRFilter.cpp b/dom/media/webaudio/blink/IIRFilter.cpp
new file mode 100644
index 0000000000..8eaa461bc3
--- /dev/null
+++ b/dom/media/webaudio/blink/IIRFilter.cpp
@@ -0,0 +1,178 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "IIRFilter.h"
+
+#include "DenormalDisabler.h"
+#include "mozilla/FloatingPoint.h"
+
+#include <mozilla/Assertions.h>
+
+#include <complex>
+
+namespace blink {
+
+// The length of the memory buffers for the IIR filter.  This MUST be a power of
+// two and must be greater than the possible length of the filter coefficients.
+const int kBufferLength = 32;
+static_assert(kBufferLength >= IIRFilter::kMaxOrder + 1,
+              "Internal IIR buffer length must be greater than maximum IIR "
+              "Filter order.");
+
+IIRFilter::IIRFilter(const AudioDoubleArray* feedforwardCoef,
+                     const AudioDoubleArray* feedbackCoef)
+    : m_bufferIndex(0),
+      m_feedback(feedbackCoef),
+      m_feedforward(feedforwardCoef) {
+  m_xBuffer.SetLength(kBufferLength);
+  m_yBuffer.SetLength(kBufferLength);
+  reset();
+}
+
+IIRFilter::~IIRFilter() = default;
+
+void IIRFilter::reset() {
+  memset(m_xBuffer.Elements(), 0, m_xBuffer.Length() * sizeof(double));
+  memset(m_yBuffer.Elements(), 0, m_yBuffer.Length() * sizeof(double));
+}
+
+static std::complex<double> evaluatePolynomial(const double* coef,
+                                               std::complex<double> z,
+                                               int order) {
+  // Use Horner's method to evaluate the polynomial P(z) = sum(coef[k]*z^k, k,
+  // 0, order);
+  std::complex<double> result = 0;
+
+  for (int k = order; k >= 0; --k)
+    result = result * z + std::complex<double>(coef[k]);
+
+  return result;
+}
+
+void IIRFilter::process(const float* sourceP, float* destP,
+                        size_t framesToProcess) {
+  // Compute
+  //
+  //   y[n] = sum(b[k] * x[n - k], k = 0, M) - sum(a[k] * y[n - k], k = 1, N)
+  //
+  // where b[k] are the feedforward coefficients and a[k] are the feedback
+  // coefficients of the filter.
+
+  // This is a Direct Form I implementation of an IIR Filter.  Should we
+  // consider doing a different implementation such as Transposed Direct Form
+  // II?
+  const double* feedback = m_feedback->Elements();
+  const double* feedforward = m_feedforward->Elements();
+
+  MOZ_ASSERT(feedback);
+  MOZ_ASSERT(feedforward);
+
+  // Sanity check to see if the feedback coefficients have been scaled
+  // appropriately. It must be EXACTLY 1!
+  MOZ_ASSERT(feedback[0] == 1);
+
+  int feedbackLength = m_feedback->Length();
+  int feedforwardLength = m_feedforward->Length();
+  int minLength = std::min(feedbackLength, feedforwardLength);
+
+  double* xBuffer = m_xBuffer.Elements();
+  double* yBuffer = m_yBuffer.Elements();
+
+  for (size_t n = 0; n < framesToProcess; ++n) {
+    // To help minimize roundoff, we compute using double's, even though the
+    // filter coefficients only have single precision values.
+    double yn = feedforward[0] * sourceP[n];
+
+    // Run both the feedforward and feedback terms together, when possible.
+    for (int k = 1; k < minLength; ++k) {
+      int n = (m_bufferIndex - k) & (kBufferLength - 1);
+      yn += feedforward[k] * xBuffer[n];
+      yn -= feedback[k] * yBuffer[n];
+    }
+
+    // Handle any remaining feedforward or feedback terms.
+    for (int k = minLength; k < feedforwardLength; ++k)
+      yn += feedforward[k] * xBuffer[(m_bufferIndex - k) & (kBufferLength - 1)];
+
+    for (int k = minLength; k < feedbackLength; ++k)
+      yn -= feedback[k] * yBuffer[(m_bufferIndex - k) & (kBufferLength - 1)];
+
+    // Save the current input and output values in the memory buffers for the
+    // next output.
+    m_xBuffer[m_bufferIndex] = sourceP[n];
+    m_yBuffer[m_bufferIndex] = yn;
+
+    m_bufferIndex = (m_bufferIndex + 1) & (kBufferLength - 1);
+
+    // Avoid introducing a stream of subnormals
+    destP[n] = WebCore::DenormalDisabler::flushDenormalFloatToZero(yn);
+    MOZ_ASSERT(destP[n] == 0.0 || std::fabs(destP[n]) > FLT_MIN ||
+                   std::isnan(destP[n]),
+               "output should not be subnormal, but can be NaN");
+  }
+}
+
+void IIRFilter::getFrequencyResponse(int nFrequencies, const float* frequency,
+                                     float* magResponse, float* phaseResponse) {
+  // Evaluate the z-transform of the filter at the given normalized frequencies
+  // from 0 to 1. (One corresponds to the Nyquist frequency.)
+  //
+  // The z-tranform of the filter is
+  //
+  // H(z) = sum(b[k]*z^(-k), k, 0, M) / sum(a[k]*z^(-k), k, 0, N);
+  //
+  // The desired frequency response is H(exp(j*omega)), where omega is in
+  // [0, 1).
+  //
+  // Let P(x) = sum(c[k]*x^k, k, 0, P) be a polynomial of order P.  Then each of
+  // the sums in H(z) is equivalent to evaluating a polynomial at the point 1/z.
+
+  for (int k = 0; k < nFrequencies; ++k) {
+    // zRecip = 1/z = exp(-j*frequency)
+    double omega = -M_PI * frequency[k];
+    std::complex<double> zRecip = std::complex<double>(cos(omega), sin(omega));
+
+    std::complex<double> numerator = evaluatePolynomial(
+        m_feedforward->Elements(), zRecip, m_feedforward->Length() - 1);
+    std::complex<double> denominator = evaluatePolynomial(
+        m_feedback->Elements(), zRecip, m_feedback->Length() - 1);
+    // Strangely enough, using complex division:
+    // e.g. Complex response = numerator / denominator;
+    // fails on our test machines, yielding infinities and NaNs, so we do
+    // things the long way here.
+    double n = norm(denominator);
+    double r = (real(numerator) * real(denominator) +
+                imag(numerator) * imag(denominator)) /
+               n;
+    double i = (imag(numerator) * real(denominator) -
+                real(numerator) * imag(denominator)) /
+               n;
+    std::complex<double> response = std::complex<double>(r, i);
+
+    magResponse[k] = static_cast<float>(abs(response));
+    phaseResponse[k] =
+        static_cast<float>(atan2(imag(response), real(response)));
+  }
+}
+
+bool IIRFilter::buffersAreZero() {
+  double* xBuffer = m_xBuffer.Elements();
+  double* yBuffer = m_yBuffer.Elements();
+
+  for (size_t k = 0; k < m_feedforward->Length(); ++k) {
+    if (xBuffer[(m_bufferIndex - k) & (kBufferLength - 1)] != 0.0) {
+      return false;
+    }
+  }
+
+  for (size_t k = 0; k < m_feedback->Length(); ++k) {
+    if (fabs(yBuffer[(m_bufferIndex - k) & (kBufferLength - 1)]) >= FLT_MIN) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+}  // namespace blink
diff --git a/dom/media/webaudio/blink/IIRFilter.h b/dom/media/webaudio/blink/IIRFilter.h
new file mode 100644
index 0000000000..87522add06
--- /dev/null
+++ b/dom/media/webaudio/blink/IIRFilter.h
@@ -0,0 +1,62 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IIRFilter_h
+#define IIRFilter_h
+
+#include "nsTArray.h"
+
+typedef nsTArray<double> AudioDoubleArray;
+
+namespace blink {
+
+class IIRFilter final {
+ public:
+  // The maximum IIR filter order.  This also limits the number of feedforward
+  // coefficients.  The maximum number of coefficients is 20 according to the
+  // spec.
+  const static size_t kMaxOrder = 19;
+  IIRFilter(const AudioDoubleArray* feedforwardCoef,
+            const AudioDoubleArray* feedbackCoef);
+  ~IIRFilter();
+
+  void process(const float* sourceP, float* destP, size_t framesToProcess);
+
+  void reset();
+
+  void getFrequencyResponse(int nFrequencies, const float* frequency,
+                            float* magResponse, float* phaseResponse);
+
+  bool buffersAreZero();
+
+ private:
+  // Filter memory
+  //
+  // For simplicity, we assume |m_xBuffer| and |m_yBuffer| have the same length,
+  // and the length is a power of two.  Since the number of coefficients has a
+  // fixed upper length, the size of xBuffer and yBuffer is fixed. |m_xBuffer|
+  // holds the old input values and |m_yBuffer| holds the old output values
+  // needed to compute the new output value.
+  //
+  // m_yBuffer[m_bufferIndex] holds the most recent output value, say, y[n].
+  // Then m_yBuffer[m_bufferIndex - k] is y[n - k].  Similarly for m_xBuffer.
+  //
+  // To minimize roundoff, these arrays are double's instead of floats.
+  AudioDoubleArray m_xBuffer;
+  AudioDoubleArray m_yBuffer;
+
+  // Index into the xBuffer and yBuffer arrays where the most current x and y
+  // values should be stored.  xBuffer[bufferIndex] corresponds to x[n], the
+  // current x input value and yBuffer[bufferIndex] is where y[n], the current
+  // output value.
+  int m_bufferIndex;
+
+  // Coefficients of the IIR filter.
+  const AudioDoubleArray* m_feedback;
+  const AudioDoubleArray* m_feedforward;
+};
+
+}  // namespace blink
+
+#endif  // IIRFilter_h
diff --git a/dom/media/webaudio/blink/IRC_Composite_C_R0195-incl.cpp b/dom/media/webaudio/blink/IRC_Composite_C_R0195-incl.cpp
new file mode 100644
index 0000000000..37d731d3a2
--- /dev/null
+++ b/dom/media/webaudio/blink/IRC_Composite_C_R0195-incl.cpp
@@ -0,0 +1,4571 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * The sample data in the arrays here was derived for Webkit by Chris Rogers
+ * through averaging of impulse responses from the IRCAM Listen HRTF Database.
+ * The responses here are half the length of the Listen responses.  This
+ * sample data has been granted to the Public Domain.
+ *
+ * This file is intended to be included in compilation of a single
+ * implementation file.
+ *
+ * Each elevation (p) contains impulse responses at a varying number of
+ * equally spaced azimuths for the left ear, ordered clockwise from in front
+ * the listener.
+ */
+
+#include "mozilla/ArrayUtils.h"
+
+using mozilla::ArrayLength;
+
+const int16_t irc_composite_c_r0195_p315[][256] =
+    {/* IRC_Composite_C_R0195_T000_P315.wav */
+     {-37,   37,   -38,  39,    -39,   40,    -41,  42,   -42,   43,    -43,
+      44,    -44,  44,   -44,   44,    -43,   42,   -39,  36,    -31,   23,
+      -10,   -10,  5,    -655,  -410,  -552,  -353, -474, -1525, -758,  656,
+      -263,  70,   1414, -1528, -731,  -1811, 1646, 1312, -1501, -407,  8893,
+      -1543, 7696, 8084, 2629,  -2452, -234,  3799, 1676, 177,   -1077, -474,
+      -1325, 3527, 985,  265,   -884,  373,   971,  1024, -412,  507,   -173,
+      259,   -799, 635,  -628,  507,   -344,  394,  -359, 178,   -276,  349,
+      -201,  137,  -249, 377,   -311,  263,   -404, 284,  -244,  173,   -243,
+      330,   -320, 112,  -150,  164,   -142,  174,  -300, 158,   -197,  13,
+      -141,  85,   -190, 64,    -122,  41,    -122, 60,   -195,  125,   -163,
+      10,    -67,  -6,   -122,  77,    -133,  26,   -71,  -42,   -156,  48,
+      -152,  -12,  -89,  -120,  -104,  -37,   -154, -57,  -139,  -80,   -165,
+      -95,   -242, -81,  -146,  -111,  -178,  -109, -208, -48,   -178,  -131,
+      -163,  -68,  -169, -94,   -190,  -139,  -190, -118, -204,  -160,  -220,
+      -140,  -204, -171, -238,  -126,  -203,  -114, -209, -138,  -177,  -124,
+      -184,  -130, -175, -170,  -185,  -180,  -231, -189, -233,  -210,  -236,
+      -245,  -288, -208, -329,  -246,  -274,  -199, -273, -189,  -267,  -208,
+      -215,  -199, -187, -209,  -206,  -210,  -123, -197, -156,  -173,  -142,
+      -97,   -123, -97,  -107,  -73,   -84,   -39,  -50,  -66,   -11,   -50,
+      -12,   -51,  8,    -27,   19,    -48,   -9,   -18,  5,     -42,   -15,
+      -35,   -31,  -27,  -27,   -64,   -33,   -54,  -1,   -98,   -47,   -56,
+      -7,    -76,  -47,  -70,   -42,   -54,   -65,  -76,  -43,   -57,   -9,
+      -61,   -39,  -58,  33,    -39,   3,     -34,  20,   -19,   4,     -71,
+      61,    -22,  10},
+     /* IRC_Composite_C_R0195_T015_P315.wav */
+     {81,    -82,   83,    -84,  84,   -85,   86,   -87,   87,    -87,  87,
+      -87,   87,    -86,   84,   -82,  78,    -72,  63,    -49,   23,   33,
+      -344,  -481,  -563,  -443, -265, -1527, -713, 251,   -1453, 939,  2510,
+      -1221, -1282, -1307, 806,  585,  -990,  -82,  9029,  -4621, 9096, 11230,
+      4611,  -3051, 400,   2105, 749,  1644,  165,  -1556, -1521, 3009, 1430,
+      723,   -902,  933,   187,  28,   480,   951,  -214,  122,   -730, -95,
+      -137,  573,   -593,  558,  -692, -62,   28,   16,    -505,  426,  -283,
+      227,   -320,  210,   -374, 303,  -435,  127,  -128,  76,    -349, 106,
+      -364,  139,   -348,  184,  -425, -36,   -441, 91,    -413,  93,   -444,
+      33,    -257,  -74,   -414, 93,   -379,  19,   -327,  -43,   -366, 79,
+      -293,  20,    -199,  -76,  -207, 149,   -239, 68,    -247,  66,   -219,
+      61,    -232,  38,    -212, 36,   -209,  -27,  -209,  -58,   -227, -6,
+      -309,  -12,   -225,  -60,  -199, -10,   -277, 19,    -207,  -69,  -211,
+      -30,   -261,  -24,   -233, -102, -217,  -131, -247,  -144,  -229, -111,
+      -256,  -104,  -254,  -130, -241, -66,   -249, -88,   -223,  -144, -199,
+      -148,  -229,  -101,  -242, -189, -240,  -163, -308,  -147,  -285, -217,
+      -239,  -224,  -291,  -173, -269, -220,  -209, -208,  -240,  -180, -212,
+      -201,  -217,  -169,  -184, -174, -178,  -146, -209,  -108,  -186, -96,
+      -108,  -90,   -120,  -44,  -101, -49,   -39,  -22,   -44,   1,    -58,
+      3,     -19,   -21,   -8,   -6,   -22,   -9,   18,    -15,   -7,   -23,
+      -12,   -24,   -11,   -43,  -33,  -33,   -31,  -57,   -5,    -64,  -22,
+      -45,   -16,   -87,   -8,   -40,  -45,   -57,  -14,   -53,   -5,   -47,
+      -21,   -45,   -8,    -33,  13,   -16,   3,    -29,   6,     -18,  23,
+      -31,   24,    -41},
+     /* IRC_Composite_C_R0195_T030_P315.wav */
+     {9,     -9,    8,    -8,   8,     -8,    8,     -7,   7,    -6,    5,
+      -4,    3,     -2,   0,    2,     -5,    9,     -14,  23,   -127,  -380,
+      -922,  -742,  -548, 257,  -2362, 972,   -1653, 1079, 1193, 1855,  -423,
+      -3573, -1945, 3974, 274,  -2796, 11656, -988,  5085, 9362, 10293, -750,
+      -3105, -1864, 2111, 2283, -318,  -221,  -1158, -110, 2923, 410,   -981,
+      900,   122,   -303, 833,  532,   -152,  20,    -462, 17,   -48,   336,
+      235,   63,    -647, 577,  -362,  -19,   -259,  102,  168,  -103,  -338,
+      -333,  24,    -9,   -458, 287,   -470,  -273,  -216, 46,   -484,  13,
+      -220,  -143,  -392, -290, -340,  -198,  -301,  -237, -241, -176,  -489,
+      -201,  -271,  -252, -335, -60,   -395,  -225,  -412, -191, -198,  -164,
+      -259,  -64,   -380, -75,  -287,  -9,    -159,  -126, -100, -116,  -155,
+      -96,   -113,  -23,  -100, -117,  -115,  -164,  -180, 8,    -173,  -57,
+      -208,  -89,   -129, -73,  -188,  -102,  -184,  -93,  -204, -81,   -217,
+      -128,  -180,  -66,  -279, -127,  -244,  -206,  -146, -178, -190,  -135,
+      -228,  -154,  -205, -100, -196,  -143,  -185,  -140, -235, -135,  -209,
+      -144,  -158,  -250, -202, -234,  -227,  -157,  -214, -201, -260,  -180,
+      -244,  -184,  -234, -151, -192,  -198,  -223,  -199, -199, -202,  -189,
+      -164,  -233,  -143, -220, -175,  -186,  -107,  -156, -84,  -181,  -106,
+      -116,  -72,   -63,  -29,  -76,   -11,   -83,   15,   -65,  30,    -2,
+      -4,    -41,   4,    -49,  38,    -44,   57,    -2,   9,    -61,   11,
+      -29,   35,    -27,  2,    -50,   -23,   -17,   1,    -57,  2,     -26,
+      -14,   -67,   -39,  -9,   -30,   -30,   -21,   -44,  -39,  -75,   -12,
+      -27,   -13,   -32,  13,   -22,   -16,   5,     -2,   23,   -25,   48,
+      -24,   -32,   -30},
+     /* IRC_Composite_C_R0195_T045_P315.wav */
+     {52,   -54,   57,   -59,   62,    -64,  67,   -71,   74,    -78,   82,
+      -86,  91,    -95,  100,   -104,  107,  -105, 80,    -502,  -332,  -993,
+      -162, -1907, 1505, -2021, -314,  756,  -842, 5057,  -1148, -2263, -3462,
+      3639, -1435, 4503, -272,  9367,  494,  8006, 14353, 933,   -5033, -2453,
+      2315, 1073,  2918, -1236, -3010, 2416, 371,  1956,  -531,  -1294, -177,
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+      294,  -267,  -119, -580,  378,   28,   261,  -1010, 385,   -342,  8,
+      -224, 217,   -399, 43,    -603,  -1,   -295, -252,  167,   -340,  -419,
+      -328, -348,  -86,  -497,  -57,   -294, -381, -499,  -201,  -454,  -232,
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+      -12,  -131,  -27,  -205,  -45,   -264, -158, -151,  -4,    -169,  -113,
+      -251, -102,  -247, -100,  -151,  -158, -212, -170,  -190,  -217,  -220,
+      -105, -182,  -191, -216,  -210,  -208, -188, -144,  -93,   -288,  -132,
+      -248, -124,  -281, -112,  -217,  -92,  -321, -80,   -343,  -94,   -222,
+      -100, -231,  -229, -216,  -139,  -209, -164, -138,  -158,  -204,  -180,
+      -171, -145,  -125, -68,   -150,  -139, -133, -97,   -43,   -133,  -83,
+      -49,  -109,  -53,  -101,  -20,   -84,  23,   -64,   -10,   -116,  38,
+      -50,  15,    -23,  -2,    -3,    -27,  -28,  3,     14,    36,    -13,
+      -21,  -18,   -38,  28,    -26,   9,    -12,  -28,   -46,   -29,   -8,
+      8,    18,    -21,  -12,   -47,   16,   -23,  -21,   -22,   -28,   -21,
+      -46,  -32,   37,   -14,   -1,    -31,  11,   -4,    -17,   51,    -42,
+      23,   -30,   55},
+     /* IRC_Composite_C_R0195_T060_P315.wav */
+     {-9,   10,    -10,  10,    -11,   11,    -11,   12,   -12,   13,    -13,
+      14,   -14,   14,   -15,   15,    -14,   14,    -237, -853,  -211,  -839,
+      -537, -1171, 1035, -1099, 1039,  294,   -1596, 6549, -2739, -2660, -4050,
+      4749, 2134,  7195, 4024,  6882,  -1377, 13010, 8996, -6905, -3319, -3088,
+      4606, 2892,  2461, -4423, -1310, 1787,  1273,  1672, -1868, -79,   1190,
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+      -111, -210,  -119, -232,  -97,   -257,  -79,   -254, -124,  -244,  -169,
+      -224, -170,  -218, -187,  -194,  -208,  -142,  -212, -136,  -216,  -224,
+      -142, -210,  -181, -238,  -144,  -243,  -81,   -233, -107,  -193,  -82,
+      -124, -113,  -114, -86,   -61,   -72,   -88,   -74,  -42,   -62,   -68,
+      -57,  -28,   -20,  -32,   -42,   -4,    -55,   -25,  11,    -34,   -17,
+      -21,  12,    -38,  -17,   -4,    -21,   -19,   -51,  -19,   -40,   -1,
+      -58,  -23,   -65,  -46,   -5,    -23,   -26,   -24,  -22,   36,    -42,
+      4,    -20,   73,   -50,   19,    -61,   15,    -46,  1,     -36,   -37,
+      -6,   -9,    13,   -34,   18,    -10,   58,    -13,  38,    32,    29,
+      4,    16,    -6},
+     /* IRC_Composite_C_R0195_T075_P315.wav */
+     {-13,  13,    -14,   14,    -14,   14,   -14,   14,    -14,   13,    -13,
+      11,   -9,    5,     2,     -16,   50,   -741,  214,   -932,  242,   -1432,
+      -236, -662,  1347,  -571,  -1196, 4105, -1805, 3633,  -3512, -1059, -3340,
+      6144, 8904,  2949,  -3056, 13761, 4639, 6581,  1016,  -7994, -537,  2069,
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+      -266, -128,  -293,  -88,   -283,  -37,  -279,  -49,   -211,  -28,   -227,
+      20,   -197,  2,     -189,  32,    -205, 58,    -176,  59,    -144,  57,
+      -167, 132,   -119,  93,    -104,  104,  -78,   87,    -109,  101,   -75,
+      67,   -98,   89,    -87,   61,    -85,  56,    -78,   56,    -103,  66,
+      -107, 43,    -101,  53,    -122,  26,   -89,   31,    -77,   5,     -71,
+      25,   -79,   9,     -93,   21,    -74,  23,    -83,   51,    -92,   20,
+      -72,  56,    -59,   56,    -36,   38,   19,    39,    4,     62,    -17,
+      56,   -23,   68},
+     /* IRC_Composite_C_R0195_T090_P315.wav */
+     {87,   -92,   97,    -103, 109,  -116,  123,   -131,  140,   -150, 162,
+      -174, 189,   -205,  224,  -244, 266,   -286,  51,    -859,  535,  -1364,
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+      23,   -29,   8,     12,   -7,   21,    17,    -7,    6,     -12,  18,
+      -60,  33,    -67,   51,   -69,  41,    -34,   41,    -45,   33,   -37,
+      31,   -56,   11,    -29,  -2,   -76,   4,     -43,   17,    -73,  -1,
+      -63,  19,    -62,   -23,  -71,  -23,   -50,   -30,   -62,   24,   -59,
+      23,   -75,   63,    -53,  35,   -32,   38,    -9,    16,    4,    53,
+      -2,   34,    -15},
+     /* IRC_Composite_C_R0195_T105_P315.wav */
+     {-4,   4,     -4,    4,     -4,   4,    -4,    4,     -5,    5,     -5,
+      6,    -7,    9,     -11,   17,   -28,  67,    21,    -444,  -141,  -224,
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+      -144, -73,   -126,  -80,   -100, -82,  -63,   -82,   -57,   -74,   14,
+      -40,  -10,   -30,   25,    -21,  31,   -22,   45,    -26,   43,    -15,
+      48,   -18,   20,    -19,   34,   -32,  26,    -30,   33,    -39,   33,
+      -38,  25,    -62,   21,    -45,  -12,  -65,   -6,    -49,   -13,   -61,
+      8,    -71,   9,     -80,   15,   -87,  37,    -62,   49,    -58,   33,
+      -30,  20,    -31,   -30,   -19,  -18,  -22,   12,    -19,   18,    -18,
+      62,   -6,    19},
+     /* IRC_Composite_C_R0195_T120_P315.wav */
+     {-8,   8,    -9,    10,    -10,   11,   -12,  13,    -14,   15,    -17,
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+      -194, -12,  -168,  -14,   -161,  -15,  -200, -2,    -184,  -29,   -168,
+      -39,  -203, -35,   -143,  -59,   -138, -57,  -120,  -39,   -78,   -38,
+      -71,  4,    -85,   25,    -41,   42,   -65,  60,    -35,   71,    -28,
+      56,   -41,  66,    -43,   40,    -26,  -6,   -23,   -11,   -1,    -28,
+      3,    -16,  -8,    -25,   -4,    -23,  -19,  -21,   -43,   6,     -38,
+      -12,  -49,  4,     -21,   -1,    -32,  9,    -8,    22,    -23,   -1,
+      -11,  -14,  -32,   -12,   -40,   -9,   -31,  23,    -39,   25,    -13,
+      20,   -8,   9},
+     /* IRC_Composite_C_R0195_T135_P315.wav */
+     {-23,   24,    -24,  24,    -24,   24,    -24,  24,   -24,  24,    -24,
+      24,    -24,   23,   -23,   22,    -21,   19,   -17,  12,   2,     -321,
+      142,   -352,  -116, -71,   -511,  212,   1241, -690, 1132, 1447,  1818,
+      -2325, -1459, 2842, 2322,  3950,  -401,  7294, 1799, 9821, 384,   -3014,
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+      -54,   -158,  -66,  -130,  -90,   -112,  -83,  -108, -98,  -108,  -90,
+      -89,   -94,   -103, -90,   -117,  -87,   -105, -51,  -97,  -64,   -70,
+      -56,   -23,   -79,  7,     -88,   34,    -80,  43,   -77,  63,    -50,
+      59,    -68,   43,   -51,   41,    -54,   60,   -92,  29,   -102,  48,
+      -85,   28,    -79,  9,     -67,   13,    -66,  37,   -57,  38,    -64,
+      47,    -47,   53,   -38,   54,    -42,   32,   -33,  27,   -15,   13,
+      -24,   -26,   -34,  -6,    -41,   23,    -23,  1,    -31,  23,    -1,
+      22,    -48,   -14},
+     /* IRC_Composite_C_R0195_T150_P315.wav */
+     {-14,   14,    -14,   14,    -14,  14,    -14,   14,    -14,  14,   -15,
+      15,    -15,   15,    -15,   15,   -15,   15,    -15,   15,   -14,  13,
+      -9,    -299,  105,   -109,  -149, -174,  -101,  123,   928,  331,  409,
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+      -170,  -8,    -151,  12,    -150, -68,   -196,  -148,  -187, -145, -232,
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+      -148,  -137,  -189,  -140,  -182, -128,  -193,  -123,  -144, -95,  -99,
+      -87,   -75,   -90,   -47,   -89,  -71,   -115,  -103,  -102, -112, -110,
+      -131,  -87,   -120,  -99,   -104, -130,  -68,   -115,  -50,  -116, -33,
+      -115,  -23,   -91,   -20,   -77,  -32,   -46,   -36,   -20,  -19,  -1,
+      -1,    -16,   2,     -30,   -4,   -10,   2,     -12,   -25,  -22,  -46,
+      -39,   -40,   -29,   -51,   -40,  -76,   -30,   -47,   -17,  -48,  -11,
+      -52,   8,     -41,   31,    -26,  41,    1,     54,    -33,  53,   -2,
+      35,    -28,   34,    -23,   25,   -31,   33,    -25,   -2,   -7,   10,
+      -26,   -60,   -40},
+     /* IRC_Composite_C_R0195_T165_P315.wav */
+     {-17,  17,   -18,  19,    -19,  20,    -21,  21,    -22,   23,    -24,
+      25,   -26,  27,   -29,   30,   -32,   33,   -35,   37,    -39,   42,
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+      -392, -353, -371, -352,  -344, -280,  -280, -250,  -233,  -166,  -154,
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+      -317, -227, -285, -196,  -252, -189,  -237, -155,  -182,  -95,   -165,
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+      -90,  -44,  -70,  -19,   -82,  -37,   -76,  -88,   -84,   -86,   -94,
+      -117, -109, -92,  -108,  -75,  -136,  -74,  -119,  -62,   -120,  -51,
+      -126, -38,  -97,  -20,   -110, -3,    -105, 29,    -72,   41,    -66,
+      43,   -69,  58,   -54,   55,   -37,   38,   -45,   18,    -47,   10,
+      -73,  -1,   -104, 15,    -120, 0,     -103, 12,    -106,  19,    -73,
+      20,   -41,  43,   -9,    42,   -5,    48,   -4,    46,    3,     29,
+      -8,   24,   11,   13,    -8,   11,    55,   13,    32,    16,    31,
+      9,    -51,  -42},
+     /* IRC_Composite_C_R0195_T180_P315.wav */
+     {24,   -25,  26,    -27,  28,    -30,  31,    -33,  34,   -36,  38,   -40,
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+      -61,  -85,  -42,   -76,  -22,   -61,  -39,   -37,  -44,  -27,  -31,  -14,
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+      -33,  -39,  -34,   -35,  -26,   -27,  5,     -20,  14,   -33,  30,   -28,
+      12,   -27,  25,    -7,   7,     29,   -15,   24,   -9,   67,   32,   52,
+      -7,   19,   -10,   -34},
+     /* IRC_Composite_C_R0195_T195_P315.wav */
+     {-3,   3,    -4,   4,    -4,   4,    -4,   4,    -4,   4,    -4,   4,
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+      -27,  0,    -4,   51,   21,   29,   16,   43,   17,   21,   38,   16,
+      70,   -26,  47,   -23},
+     /* IRC_Composite_C_R0195_T210_P315.wav */
+     {6,    -6,   6,    -6,   6,    -6,   6,    -6,   6,    -6,   6,    -7,
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+      -6,   -21,  -10,  -12,  -6,   14,   -8,   19,   1,    57,   22,   38,
+      15,   27,   32,   33},
+     /* IRC_Composite_C_R0195_T225_P315.wav */
+     {-7,   7,    -8,   8,    -8,   8,    -8,   8,    -8,   8,    -8,   8,
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+      -13,  24,   6,    33,   17,   44,   11,   63,   31,   57,   47,   73,
+      42,   34,   14,   5},
+     /* IRC_Composite_C_R0195_T240_P315.wav */
+     {0,    0,    0,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,
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+      15,   -21,  -1,   -28,  7,    -9,   16,   21,   30,   38,   52,   37,
+      48,   38,   34,   3},
+     /* IRC_Composite_C_R0195_T255_P315.wav */
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+      -9,   18,   -34,  -11,  0,    0,    38,   9,    28,   24,   33,   41,
+      32,   56,   10,   45},
+     /* IRC_Composite_C_R0195_T270_P315.wav */
+     {5,    -5,   5,    -5,   5,    -5,   5,    -6,   6,    -6,   6,    -6,
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+      -157, -172, -143, -163, -152, -143, -150, -149, -177, -148, -159, -149,
+      -150, -163, -154, -183, -160, -189, -132, -190, -124, -156, -96,  -125,
+      -92,  -99,  -99,  -74,  -85,  -61,  -83,  -67,  -68,  -74,  -62,  -91,
+      -54,  -91,  -46,  -108, -22,  -86,  -15,  -70,  -6,   -63,  -3,   -43,
+      -35,  -76,  -52,  -91,  -99,  -89,  -83,  -72,  -67,  -70,  -42,  -53,
+      -31,  -59,  -32,  -49,  -39,  -55,  -65,  -43,  -43,  -36,  -50,  -25,
+      -39,  -34,  -26,  -31},
+     /* IRC_Composite_C_R0195_T285_P315.wav */
+     {0,    0,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,
+      -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   2,    -2,   2,
+      -2,   3,    -3,   0,    -53,  -54,  -56,  -85,  -47,  -114, -135, -181,
+      -153, -193, -267, -244, -55,  -96,  1,    65,   -104, -149, -27,  77,
+      318,  544,  620,  776,  1096, 1388, 1457, 1232, 925,  941,  734,  587,
+      918,  901,  616,  762,  669,  803,  637,  587,  517,  641,  585,  459,
+      366,  454,  473,  472,  377,  381,  369,  477,  434,  303,  311,  258,
+      424,  217,  330,  203,  348,  239,  206,  163,  147,  190,  93,   131,
+      3,    88,   29,   61,   25,   -4,   30,   -29,  -32,  -79,  -68,  -48,
+      -73,  -75,  -119, -13,  -30,  17,   -48,  5,    -35,  5,    -39,  -80,
+      -142, -105, -167, -166, -226, -200, -281, -233, -317, -276, -334, -290,
+      -353, -338, -366, -316, -342, -297, -343, -306, -273, -252, -266, -278,
+      -281, -276, -239, -265, -258, -270, -226, -250, -191, -215, -181, -217,
+      -149, -202, -131, -195, -119, -225, -148, -263, -146, -220, -148, -221,
+      -170, -215, -156, -215, -188, -262, -202, -269, -194, -235, -202, -241,
+      -188, -209, -153, -204, -154, -203, -167, -217, -151, -214, -172, -225,
+      -158, -182, -145, -170, -150, -164, -121, -136, -87,  -134, -90,  -102,
+      -41,  -87,  -63,  -73,  -53,  -73,  -60,  -73,  -67,  -76,  -98,  -68,
+      -64,  -72,  -69,  -72,  -35,  -71,  -32,  -55,  -37,  -56,  -47,  -39,
+      -69,  -58,  -90,  -53,  -99,  -57,  -83,  -34,  -50,  -55,  -58,  -67,
+      -57,  -63,  -70,  -62,  -74,  -53,  -70,  -30,  -49,  -56,  -37,  -35,
+      -21,  -10,  -19,  -29},
+     /* IRC_Composite_C_R0195_T300_P315.wav */
+     {2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,
+      2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,
+      2,    -2,   2,    -3,   4,    -10,  -133, -133, -170, -242, -249, -433,
+      -299, -139, -159, 192,  133,  -70,  22,   -303, 18,   -19,  635,  218,
+      706,  1507, 1430, 1383, 2387, 1796, 1075, 392,  368,  909,  611,  309,
+      -168, 353,  2,    566,  420,  570,  464,  600,  533,  643,  640,  611,
+      592,  536,  352,  641,  435,  676,  299,  466,  377,  487,  301,  349,
+      330,  262,  326,  234,  228,  152,  89,   163,  56,   54,   -10,  7,
+      -78,  -45,  -66,  -85,  -68,  -104, -18,  4,    -26,  41,   2,    31,
+      0,    79,   5,    36,   26,   46,   69,   42,   -19,  -67,  -82,  -80,
+      -133, -166, -222, -198, -222, -228, -274, -302, -279, -261, -261, -282,
+      -253, -280, -237, -241, -240, -230, -249, -229, -231, -221, -230, -219,
+      -245, -228, -234, -188, -202, -201, -222, -167, -182, -137, -203, -165,
+      -172, -150, -180, -163, -208, -169, -194, -164, -229, -193, -245, -204,
+      -252, -223, -246, -236, -257, -266, -272, -274, -271, -280, -267, -251,
+      -243, -225, -207, -200, -174, -184, -165, -180, -160, -164, -160, -158,
+      -167, -156, -169, -151, -138, -125, -125, -108, -104, -80,  -94,  -71,
+      -82,  -75,  -85,  -57,  -68,  -57,  -49,  -58,  -52,  -65,  -51,  -59,
+      -53,  -74,  -44,  -57,  -44,  -43,  -49,  -55,  -42,  -57,  -55,  -65,
+      -60,  -62,  -53,  -54,  -78,  -70,  -64,  -55,  -66,  -73,  -66,  -48,
+      -68,  -87,  -49,  -57,  -32,  -77,  -35,  -66,  -33,  -71,  -35,  -70,
+      15,   -17,  -11,  -33},
+     /* IRC_Composite_C_R0195_T315_P315.wav */
+     {-3,   3,    -4,   4,    -4,   4,    -4,   4,    -4,   4,    -4,   5,
+      -5,   5,    -5,   5,    -5,   5,    -6,   6,    -6,   6,    -6,   6,
+      -6,   6,    -5,   3,    2,    -152, -177, -483, -235, -110, -653, -348,
+      -150, -38,  208,  331,  33,   -385, -315, -27,  364,  811,  -94,  2504,
+      888,  2086, 3574, 3328, 531,  314,  789,  729,  404,  -337, 56,   36,
+      119,  405,  418,  656,  613,  503,  327,  557,  477,  459,  703,  343,
+      212,  405,  546,  432,  317,  280,  459,  304,  364,  271,  334,  99,
+      204,  199,  155,  38,   34,   17,   94,   27,   75,   -28,  51,   -48,
+      69,   -29,  44,   -56,  45,   -30,  20,   5,    41,   -28,  41,   31,
+      56,   13,   68,   19,   90,   -37,  31,   -65,  21,   -87,  -51,  -142,
+      -103, -155, -98,  -191, -137, -221, -116, -207, -139, -209, -136, -203,
+      -147, -207, -168, -209, -164, -226, -176, -243, -198, -258, -194, -267,
+      -197, -246, -196, -229, -191, -208, -190, -182, -197, -201, -171, -193,
+      -170, -221, -151, -220, -141, -245, -167, -251, -184, -255, -210, -246,
+      -238, -245, -223, -258, -247, -284, -254, -278, -249, -311, -255, -297,
+      -217, -263, -193, -236, -176, -198, -176, -178, -155, -172, -140, -181,
+      -132, -195, -91,  -184, -92,  -165, -90,  -121, -68,  -117, -88,  -97,
+      -47,  -73,  -55,  -70,  -16,  -46,  -13,  -61,  -26,  -38,  -50,  -48,
+      -41,  -43,  -40,  -60,  -49,  -55,  -58,  -57,  -47,  -68,  -57,  -81,
+      -49,  -74,  -61,  -74,  -29,  -70,  -35,  -79,  -39,  -87,  -35,  -94,
+      -49,  -86,  -55,  -65,  -49,  -58,  -43,  -30,  -32,  -23,  -33,  -5,
+      -23,  19,   -13,  -17},
+     /* IRC_Composite_C_R0195_T330_P315.wav */
+     {-7,   7,    -7,   7,    -7,   7,    -7,   7,    -7,   7,    -7,   7,
+      -7,   7,    -7,   7,    -7,   8,    -8,   8,    -8,   9,    -9,   9,
+      -10,  11,   -11,  -55,  -296, -386, -360, -162, -486, -689, -594, 323,
+      -279, 489,  253,  -225, -799, -208, -290, 1653, -875, 1421, 3185, 831,
+      3972, 4758, 3089, -835, 674,  981,  1685, -351, -114, -17,  248,  390,
+      777,  359,  517,  535,  503,  290,  712,  58,   681,  346,  142,  -203,
+      198,  199,  331,  -307, 34,   132,  139,  70,   114,  91,   13,   123,
+      184,  191,  4,    23,   205,  163,  125,  72,   141,  -40,  14,   124,
+      -28,  33,   -51,  40,   -5,   35,   -58,  73,   -52,  -16,  56,   78,
+      -40,  -37,  45,   32,   27,   55,   -7,   -15,  -18,  29,   -29,  22,
+      -117, 6,    -57,  -69,  -79,  -66,  -162, -105, -133, -121, -164, -165,
+      -210, -152, -236, -167, -217, -215, -247, -204, -244, -201, -239, -194,
+      -273, -180, -249, -181, -223, -192, -224, -139, -212, -188, -198, -169,
+      -226, -134, -219, -153, -208, -148, -204, -149, -219, -168, -214, -162,
+      -245, -160, -257, -219, -229, -208, -279, -218, -292, -266, -282, -268,
+      -275, -227, -298, -216, -236, -164, -238, -151, -226, -142, -217, -147,
+      -203, -145, -177, -146, -138, -122, -131, -73,  -151, -51,  -110, -31,
+      -107, -6,   -86,  -9,   -40,  -10,  -36,  -1,   -49,  -9,   -42,  -8,
+      -74,  2,    -73,  3,    -80,  -26,  -79,  6,    -86,  -19,  -76,  -29,
+      -75,  -32,  -78,  -38,  -65,  -46,  -77,  -46,  -88,  -55,  -75,  -74,
+      -82,  -34,  -77,  -58,  -74,  -44,  -61,  -16,  -21,  -21,  -1,   -32,
+      25,   -5,   -9,   -4},
+     /* IRC_Composite_C_R0195_T345_P315.wav */
+     {-3,   3,    -3,    3,    -3,    3,    -3,   3,    -3,    3,    -2,   2,
+      -2,   2,    -1,    1,    0,     0,    1,    -2,   3,     -4,   6,    -9,
+      13,   -23,  -205,  -456, -570,  -178, -609, -516, -1049, -349, 515,  157,
+      -280, 1141, -1675, -135, -1096, 1502, 703,  -567, 2409,  4580, 1615, 5569,
+      6660, -925, 461,   21,   3064,  -94,  275,  -939, 176,   137,  1125, 718,
+      -145, 338,  911,   169,  330,   365,  552,  148,  369,   -393, 179,  -127,
+      204,  80,   -84,   -339, 8,     81,   -65,  -288, 145,   50,   -22,  -24,
+      61,   62,   45,    -71,  194,   159,  54,   -19,  226,   -56,  24,   48,
+      99,   -31,  -91,   -8,   53,    24,   -79,  12,   113,   -69,  -3,   43,
+      52,   -53,  25,    22,   42,    -13,  -5,   -1,   64,    -132, -15,  -42,
+      -12,  -176, -19,   -103, -113,  -146, -76,  -99,  -119,  -177, -139, -96,
+      -193, -229, -107,  -210, -181,  -214, -106, -219, -211,  -156, -157, -151,
+      -246, -153, -144,  -151, -254,  -173, -147, -195, -202,  -155, -196, -154,
+      -199, -151, -187,  -147, -192,  -144, -157, -216, -170,  -139, -200, -196,
+      -193, -158, -269,  -172, -256,  -190, -293, -226, -252,  -229, -318, -238,
+      -250, -265, -306,  -166, -254,  -191, -300, -137, -229,  -129, -286, -136,
+      -186, -156, -221,  -108, -162,  -109, -143, -76,  -137,  -51,  -129, -13,
+      -99,  -24,  -56,   17,   -62,   -20,  -41,  40,   -86,   44,   -52,  39,
+      -123, 42,   -65,   39,   -115,  -16,  -46,  0,    -101,  -28,  -69,  -10,
+      -115, -27,  -101,  20,   -128,  3,    -110, 13,   -133,  -3,   -101, -28,
+      -103, -3,   -79,   -10,  -82,   10,   -56,  27,   -77,   25,   -50,  57,
+      -33,  20,   -49,   39}};
+
+const int16_t irc_composite_c_r0195_p330[][256] =
+    {/* IRC_Composite_C_R0195_T000_P330.wav */
+     {-59,   61,    -63,  65,   -67,   69,    -71,   73,   -76,  78,    -81,
+      83,    -86,   89,   -92,  95,    -98,   100,   -102, 103,  -103,  99,
+      -90,   66,    27,   -206, -447,  -812,  -1040, -532, -532, -221,  -2282,
+      2737,  -1254, 634,  -40,  577,   -3131, -820,  -289, 5598, -4456, 4514,
+      11627, -957,  5804, 7393, 108,   -5260, 1410,  3318, 1621, -1983, 2287,
+      284,   1686,  1238, 2060, -1196, 399,   489,   1551, 51,   439,   -136,
+      620,   290,   -51,  26,   548,   -418,  535,   -429, 119,  -693,  256,
+      -317,  191,   -412, 18,   -258,  -48,   -331,  42,   -245, -151,  -84,
+      -244,  -168,  -112, -248, 56,    -243,  -130,  -346, 3,    -311,  -140,
+      -201,  -205,  -208, -164, -257,  -153,  -216,  -142, -212, -32,   -240,
+      -169,  -200,  -80,  -259, -56,   -266,  -49,   -259, -153, -247,  -131,
+      -186,  -180,  -157, -174, -170,  -168,  -133,  -130, -144, -118,  -156,
+      -112,  -157,  -115, -125, -52,   -108,  -95,   -100, -113, -69,   -143,
+      -89,   -121,  -105, -124, -163,  -161,  -185,  -102, -218, -93,   -213,
+      -136,  -158,  -144, -182, -122,  -122,  -161,  -147, -153, -151,  -116,
+      -162,  -100,  -155, -94,  -176,  -98,   -138,  -94,  -127, -119,  -122,
+      -158,  -125,  -151, -130, -178,  -168,  -144,  -200, -186, -199,  -181,
+      -157,  -192,  -201, -216, -176,  -230,  -170,  -197, -219, -207,  -194,
+      -203,  -187,  -195, -174, -204,  -175,  -205,  -170, -207, -182,  -206,
+      -156,  -195,  -149, -193, -165,  -200,  -125,  -166, -120, -182,  -142,
+      -113,  -73,   -137, -86,  -97,   -75,   -88,   -72,  -83,  -37,   -82,
+      -24,   -72,   -40,  -53,  24,    -38,   -23,   -48,  32,   10,    7,
+      -19,   18,    7,    43,   7,     34,    32,    65,   53,   56,    21,
+      94,    55,    42},
+     /* IRC_Composite_C_R0195_T015_P330.wav */
+     {-33,   32,    -32,   31,    -31,  30,    -28,   27,    -25,   22,    -19,
+      15,    -10,   4,     5,     -16,  31,    -53,   84,    -136,  240,   -673,
+      177,   -174,  -1030, -1321, -76,  -1250, -372,  289,   -2348, 2418,  1442,
+      -314,  -2260, 351,   -1076, 96,   -4201, 12653, -2793, 350,   16253, 7416,
+      -1734, 373,   1945,  -1722, 32,   2367,  1990,  -2906, 2200,  2573,  955,
+      -397,  1580,  -424,  684,   371,  1473,  401,   8,     -1088, 1156,  -110,
+      164,   -526,  361,   -233,  -337, -706,  160,   -330,  -24,   -130,  132,
+      -810,  170,   -491,  242,   -434, 33,    -622,  355,   -505,  -308,  -68,
+      -61,   -264,  -71,   -244,  -294, -284,  -179,  -295,  41,    -462,  -220,
+      -369,  -36,   -507,  -206,  -424, -65,   -416,  -180,  -392,  -246,  -316,
+      -59,   -245,  -204,  -339,  -224, -205,  -78,   -425,  -107,  -254,  -66,
+      -399,  -77,   -350,  46,    -239, -96,   -256,  -101,  -268,  -138,  -142,
+      -190,  -179,  -136,  -172,  -84,  -261,  -40,   -173,  25,    -283,  -32,
+      -282,  9,     -234,  -87,   -198, -101,  -238,  -154,  -207,  -159,  -166,
+      -106,  -164,  -136,  -199,  -109, -121,  -73,   -175,  -65,   -149,  -73,
+      -162,  -108,  -135,  -78,   -99,  -124,  -126,  -179,  -91,   -133,  -84,
+      -188,  -122,  -167,  -148,  -155, -182,  -183,  -160,  -158,  -219,  -207,
+      -224,  -181,  -161,  -192,  -206, -207,  -174,  -243,  -140,  -189,  -173,
+      -194,  -138,  -203,  -173,  -192, -143,  -155,  -154,  -216,  -158,  -170,
+      -138,  -202,  -110,  -182,  -132, -154,  -83,   -201,  -104,  -130,  -44,
+      -129,  -80,   -139,  -19,   -72,  -80,   -88,   -16,   -110,  -20,   -46,
+      -35,   -88,   15,    -32,   6,    -67,   -9,    -16,   52,    -18,   27,
+      27,    26,    -2,    60,    51,   76,    28,    98,    40,    77,    33,
+      94,    11,    62},
+     /* IRC_Composite_C_R0195_T030_P330.wav */
+     {15,    -16,   18,    -19,   21,   -23,   26,   -29,   32,    -36,
+      41,    -47,   54,    -62,   73,   -86,   104,  -126,  155,   -102,
+      601,   -1085, -197,  -1634, 218,  -1892, 836,  -1472, 627,   332,
+      2248,  1679,  -4388, -1076, 2778, -5228, 3611, 10385, -5976, 10952,
+      11266, 9110,  -4453, 651,   -313, -354,  33,   2898,  -224,  -1072,
+      2571,  1824,  -115,  539,   940,  -84,   401,  1263,  337,   3,
+      -171,  -426,  685,   -69,   -27,  -94,   -916, -1001, 131,   -752,
+      -458,  -101,  -74,   -99,   -305, -309,  -166, -102,  238,   -512,
+      98,    -429,  -43,   -482,  424,  -183,  -138, -249,  -301,  -240,
+      -13,   -418,  -203,  -184,  -296, -341,  -269, -474,  -99,   -447,
+      -210,  -601,  -403,  -560,  -148, -418,  -397, -430,  -241,  -495,
+      -140,  -391,  -94,   -358,  -170, -431,  -28,  -368,  -72,   -337,
+      -69,   -376,  -11,   -267,  -144, -348,  -177, -200,  -156,  -317,
+      -161,  -307,  -97,   -238,  -69,  -237,  -166, -271,  -82,   -187,
+      -69,   -237,  -35,   -248,  -105, -213,  -38,  -207,  -108,  -284,
+      -91,   -256,  -64,   -223,  -92,  -227,  -52,  -205,  -48,   -178,
+      -94,   -174,  -26,   -226,  -71,  -202,  -71,  -184,  -34,   -207,
+      -88,   -154,  -79,   -180,  -41,  -222,  -49,  -215,  -56,   -245,
+      -90,   -251,  -51,   -260,  -109, -246,  -150, -229,  -109,  -239,
+      -125,  -253,  -146,  -228,  -85,  -219,  -106, -252,  -82,   -250,
+      -58,   -194,  -116,  -232,  -74,  -193,  -81,  -184,  -110,  -195,
+      -65,   -162,  -92,   -193,  -65,  -199,  -29,  -203,  0,     -193,
+      28,    -151,  -16,   -159,  -4,   -109,  -9,   -90,   -21,   -99,
+      36,    -92,   27,    -82,   30,   -74,   71,   -74,   64,    -43,
+      102,   -28,   93,    18,    88,   22,    98,   29,    116,   21,
+      126,   -20,   133,   -40,   143,  -66},
+     /* IRC_Composite_C_R0195_T045_P330.wav */
+     {60,    -60,  60,    -60,   60,    -60,   59,    -57,  55,    -51,   47,
+      -40,   30,   -15,   -9,    50,    -138,  582,   -538, -783,  -136,  149,
+      -1756, -848, -253,  -449,  1379,  -797,  1611,  1075, 2352,  -3846, -4473,
+      1829,  1877, 4778,  13625, -4798, 10293, 11126, 4895, -5087, -2315, -1117,
+      -112,  3354, 2968,  -606,  -2642, 2599,  370,   2356, -155,  634,   -118,
+      50,    -430, 371,   -366,  83,    83,    846,   -691, 615,   -552,  -124,
+      -1033, -101, -1482, 300,   -868,  142,   -849,  -166, -356,  234,   -620,
+      -26,   -586, 234,   -687,  38,    -602,  184,   -537, -8,    -502,  109,
+      -408,  41,   -516,  144,   -611,  54,    -513,  -33,  -440,  -242,  -381,
+      -176,  -498, -276,  -575,  -140,  -578,  -79,   -706, -148,  -475,  -195,
+      -498,  -214, -378,  -197,  -385,  -257,  -315,  -80,  -443,  -59,   -376,
+      -102,  -363, -123,  -440,  -39,   -442,  -136,  -304, -144,  -309,  -84,
+      -271,  -165, -242,  -238,  -200,  -117,  -273,  -150, -258,  -130,  -283,
+      -92,   -309, -42,   -296,  -47,   -253,  -76,   -218, 8,     -252,  -78,
+      -168,  -84,  -181,  -86,   -207,  -54,   -197,  -48,  -239,  -19,   -220,
+      -19,   -245, -20,   -221,  -34,   -247,  -31,   -246, -93,   -181,  -96,
+      -211,  -94,  -210,  -85,   -235,  -118,  -230,  -101, -229,  -107,  -245,
+      -109,  -215, -112,  -220,  -113,  -204,  -100,  -188, -108,  -185,  -89,
+      -182,  -62,  -197,  -34,   -195,  -28,   -194,  -18,  -182,  -55,   -157,
+      -81,   -141, -90,   -141,  -91,   -129,  -74,   -112, -85,   -107,  -64,
+      -103,  -64,  -86,   -50,   -93,   -43,   -62,   -35,  -57,   -57,   -38,
+      -24,   -28,  -39,   -24,   -20,   -16,   22,    2,    35,    17,    56,
+      35,    75,   47,    56,    59,    88,    45,    61,   91,    80,    67,
+      62,    68,   59},
+     /* IRC_Composite_C_R0195_T060_P330.wav */
+     {-16,  18,    -21,   24,    -27,   30,    -34,  39,    -45,   51,    -59,
+      68,   -79,   93,    -109,  120,   -488,  -209, -843,  -446,  581,   -2538,
+      150,  -1048, 1674,  -298,  921,   -422,  4633, -1379, -3456, -5235, 5897,
+      -232, 13802, 4771,  -1871, 13790, 9150,  509,  -7321, -2062, 426,   4376,
+      2825, -66,   -4120, 2160,  1014,  1965,  -182, 10,    -66,   1012,  -1092,
+      605,  -694,  -103,  -630,  876,   -1446, 848,  -616,  147,   -237,  208,
+      -605, 430,   -846,  156,   -639,  -33,   -577, -169,  -800,  -107,  -681,
+      -261, -491,  -122,  -613,  -72,   -646,  -89,  -523,  -258,  -835,  -111,
+      -630, -192,  -684,  -120,  -546,  -114,  -589, -198,  -484,  -123,  -592,
+      -31,  -441,  -137,  -356,  -160,  -262,  -88,  -337,  -230,  -206,  -197,
+      -286, -158,  -371,  -90,   -386,  -164,  -357, -120,  -396,  -123,  -371,
+      -159, -394,  -268,  -385,  -156,  -411,  -140, -387,  -213,  -351,  -179,
+      -344, -165,  -326,  -182,  -213,  -154,  -216, -130,  -224,  -133,  -226,
+      -137, -212,  -88,   -294,  -83,   -283,  -112, -241,  -166,  -252,  -129,
+      -207, -171,  -148,  -189,  -146,  -134,  -197, -75,   -135,  -114,  -111,
+      -109, -99,   -40,   -137,  -112,  -65,   -123, -140,  -104,  -208,  -112,
+      -191, -189,  -188,  -164,  -205,  -119,  -255, -149,  -161,  -150,  -183,
+      -173, -162,  -174,  -126,  -195,  -97,   -145, -155,  -118,  -129,  -86,
+      -145, -98,   -141,  -61,   -119,  -118,  -63,  -133,  -28,   -155,  2,
+      -161, -3,    -128,  -39,   -100,  -78,   -65,  -82,   -72,   -98,   -47,
+      -85,  -70,   -46,   -75,   -12,   -101,  21,   -108,  22,    -100,  40,
+      -92,  45,    -75,   34,    -63,   31,    -40,  44,    -41,   58,    -23,
+      74,   -14,   74,    -19,   131,   -21,   113,  30,    101,   49,    110,
+      57,   108,   51},
+     /* IRC_Composite_C_R0195_T075_P330.wav */
+     {19,    -20,   21,   -23,   25,   -26,   28,    -31,   33,    -36,  39,
+      -42,   45,    -49,  49,    -225, -118,  -411,  -201,  -767,  -125, -1198,
+      -1086, 1587,  699,  -114,  366,  4108,  -2207, 1045,  -7292, 822,  4055,
+      16836, -2188, 1091, 15052, 6204, 1571,  -5363, -5126, 3112,  6714, 709,
+      -1466, -3132, 1975, 682,   2154, -1147, 580,   -537,  152,   -77,  -200,
+      -771,  391,   -354, -354,  -457, 389,   -921,  324,   -902,  497,  -455,
+      -10,   -125,  532,  -709,  91,   -249,  -171,  -384,  -149,  -591, -267,
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+      -118,  -185,  -116, -277,  -78,  -132,  -151,  -167,  -94,   -212, -171,
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+      -328,  -285,  -227, -274,  -225, -257,  -270,  -272,  -203,  -280, -198,
+      -229,  -168,  -195, -197,  -135, -134,  -188,  -159,  -143,  -143, -184,
+      -122,  -175,  -115, -188,  -85,  -144,  -140,  -133,  -147,  -139, -167,
+      -127,  -183,  -140, -187,  -127, -176,  -160,  -172,  -135,  -190, -179,
+      -159,  -144,  -201, -142,  -175, -140,  -206,  -117,  -148,  -146, -179,
+      -121,  -175,  -129, -135,  -92,  -156,  -126,  -159,  -68,   -176, -108,
+      -129,  -91,   -133, -75,   -91,  -67,   -116,  -63,   -52,   -31,  -122,
+      -11,   -115,  3,    -129,  15,   -110,  -22,   -119,  -11,   -83,  -62,
+      -34,   -39,   -48,  -27,   -43,  -19,   -79,   23,    -48,   -1,   -86,
+      40,    -64,   16,   -37,   23,   -6,    -6,    9,     18,    18,   23,
+      24,    45,    17,   82,    40,   87,    28,    105,   40,    116,  77,
+      81,    80,    85},
+     /* IRC_Composite_C_R0195_T090_P330.wav */
+     {6,     -4,    3,     -1,    0,     3,     -5,    8,    -11,   16,
+      -21,   29,    -39,   57,    -101,  -332,  89,    -835, -16,   8,
+      -1022, -629,  -474,  1050,  924,   -984,  2683,  3640, -2207, -5863,
+      2261,  -3476, 15168, 2953,  -3266, 10727, 14390, 3174, -8455, -1966,
+      1449,  7129,  3075,  -3700, -2692, 1997,  423,   1234, -1087, 216,
+      -471,  1061,  -1107, 458,   -1402, 142,   319,   -88,  -425,  76,
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+      -227,  -156,  -224,  -178,  -249,  -190,  -199,  -133, -154,  -164,
+      -183,  -191,  -143,  -185,  -101,  -190,  -166,  -201, -98,   -150,
+      -133,  -119,  -165,  -142,  -178,  -120,  -115,  -180, -149,  -197,
+      -152,  -187,  -75,   -218,  -143,  -264,  -128,  -205, -139,  -221,
+      -148,  -269,  -159,  -215,  -126,  -214,  -123,  -256, -105,  -233,
+      -71,   -203,  -97,   -215,  -79,   -182,  -53,   -120, -82,   -122,
+      -49,   -119,  20,    -120,  24,    -141,  6,     -133, 24,    -115,
+      14,    -116,  -39,   -71,   -8,    -71,   6,     -93,  -11,   -108,
+      40,    -59,   43,    -147,  22,    -98,   28,    -64,  17,    -87,
+      -13,   -67,   63,    -36,   44,    -53,   62,    -77,  123,   -52,
+      145,   -81,   82,    -33,   141,   -4,    116,   8,    98,    14,
+      137,   56,    139,   -7,    138,   4},
+     /* IRC_Composite_C_R0195_T105_P330.wav */
+     {61,    -61,  61,   -61,   62,    -62,   62,    -62,    63,   -63,  63,
+      -64,   64,   -65,  67,    -301,  294,   -741,  -246,   -201, 457,  -1576,
+      -144,  -73,  2001, -1275, 1763,  1153,  6179,  -10039, 184,  1999, 2771,
+      10917, -378, 522,  13686, 11704, -7376, -5609, 1748,   7382, 4547, -1426,
+      -5565, -24,  2068, 630,   -441,  -1191, 186,   450,    -243, 220,  -909,
+      -111,  -78,  770,  -727,  124,   -899,  -156,  -79,    202,  -685, -336,
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+      -161,  -230, -195, -206,  -174,  -165,  -144,  -216,   -190, -173, -127,
+      -136,  -156, -157, -179,  -150,  -128,  -122,  -138,   -124, -152, -83,
+      -109,  -30,  -73,  -66,   -103,  -55,   -77,   -32,    -75,  -113, -125,
+      -86,   -47,  -60,  -39,   -89,   -29,   -60,   20,     -18,  -21,  -32,
+      -8,    -50,  24,   -43,   -1,    -69,   -6,    -57,    11,   -53,  21,
+      -58,   -2,   -13,  35,    -10,   30,    5,     44,     12,   60,   31,
+      79,    -4,   79,   46,    97,    47,    97,    36,     128,  43,   132,
+      30,    81,   38},
+     /* IRC_Composite_C_R0195_T120_P330.wav */
+     {1,     4,     -8,    14,   -20,   27,    -35,   44,    -54,   66,   -79,
+      95,    -114,  135,   -159, 177,   -87,   615,   -830,  163,   -909, 1304,
+      -1626, -325,  297,   1206, 69,    -817,  4405,  1017,  -2560, -616, -3770,
+      4387,  14092, -5772, 3858, 10124, 9882,  -2074, -2959, -3337, 7410, 7437,
+      -1780, -6636, -2212, 2639, 1700,  -1078, -1371, -262,  1153,  -566, 417,
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+      -113,  -205,  -194,  -255, -235,  -238,  -195,  -263,  -202,  -264, -198,
+      -268,  -158,  -241,  -175, -267,  -183,  -249,  -160,  -199,  -167, -203,
+      -153,  -184,  -118,  -137, -101,  -164,  -93,   -143,  -66,   -128, -30,
+      -127,  -42,   -113,  -31,  -78,   -23,   -59,   -78,   -78,   -48,  -79,
+      -53,   -70,   -40,   -106, -22,   -46,   -9,    -51,   -12,   -37,  -31,
+      -54,   -23,   -49,   -43,  -68,   -43,   -55,   -39,   -14,   -29,  -16,
+      -13,   -8,    32,    0,    28,    5,     31,    33,    68,    33,   69,
+      42,    71,    38,    89,   64,    82,    64,    81,    94,    57,   103,
+      62,    51,    87},
+     /* IRC_Composite_C_R0195_T135_P330.wav */
+     {13,    -11,   8,     -5,    2,     2,    -7,   12,    -18,  26,    -34,
+      45,    -58,   75,    -96,   126,   -173, 263,  -756,  239,  -382,  327,
+      -504,  374,   -988,  304,   -762,  1963, 32,   1243,  612,  772,   3408,
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+      7154,  5846,  -3202, -5792, -2133, 1379, 2382, -1044, -683, -846,  1056,
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+      -147,  -219,  -161,  -195,  -148,  -178, -168, -190,  -170, -141,  -148,
+      -164,  -119,  -116,  -35,   -121,  -54,  -95,  -56,   -120, -107,  -112,
+      -149,  -152,  -172,  -185,  -195,  -227, -175, -253,  -211, -280,  -223,
+      -250,  -252,  -243,  -251,  -235,  -239, -213, -184,  -218, -176,  -225,
+      -139,  -205,  -123,  -184,  -114,  -154, -113, -98,   -100, -89,   -89,
+      -91,   -67,   -61,   -32,   -65,   -41,  -68,  -21,   -70,  -18,   -87,
+      -13,   -97,   -10,   -79,   -5,    -41,  -42,  -23,   -67,  8,     -74,
+      15,    -75,   -43,   -63,   -41,   -18,  -81,  -7,    -69,  6,     -49,
+      2,     -9,    -7,    21,    -8,    24,   -11,  44,    32,   44,    38,
+      36,    66,    51,    91,    52,    103,  44,   90,    55,   87,    41,
+      60,    28,    49},
+     /* IRC_Composite_C_R0195_T150_P330.wav */
+     {15,    -18,   20,    -22,   25,    -28,   31,    -35,  38,   -42,  47,
+      -52,   57,    -63,   70,    -76,   84,    -91,   97,   -95,  51,   -395,
+      348,   -546,  384,   -515,  230,   -347,  78,    797,  314,  1274, 475,
+      2177,  1227,  -4216, -2348, 10076, 258,   3084,  3609, 6149, 5472, 3566,
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+      -186,  -118,  -197,  -120,  -210,  -155,  -272,  -176, -269, -156, -268,
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+      -217,  -154,  -209,  -128,  -189,  -106,  -201,  -80,  -156, -34,  -154,
+      -17,   -151,  12,    -97,   27,    -70,   9,     -39,  -39,  -3,   -46,
+      -29,   -50,   -61,   -28,   -93,   -9,    -89,   -8,   -103, 1,    -74,
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+      -35,   10,    8,     7,     -4,    11,    13,    35,   12,   38,   37,
+      49,    36,    56,    47,    69,    81,    52,    69,   15,   90,   11,
+      52,    -17,   56},
+     /* IRC_Composite_C_R0195_T165_P330.wav */
+     {-38,  38,    -39,  39,    -39,  40,    -40,  41,    -42,  43,   -44,
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+      -381, -194,  -377, -183,  -352, -126,  -339, -126,  -286, -92,  -262,
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+      -274, -160,  -279, -151,  -277, -159,  -262, -146,  -233, -125, -202,
+      -129, -198,  -90,  -162,  -74,  -165,  -69,  -153,  -33,  -141, -13,
+      -136, 2,     -114, 40,    -123, 47,    -102, 43,    -95,  48,   -108,
+      50,   -112,  44,   -100,  32,   -92,   18,   -95,   22,   -82,  17,
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+      35,   -66,   63,   -29,   79,   -26,   54,   -19,   109,  -9,   110,
+      -5,   137,   -8,   111,   4,    120,   34,   92,    -13,  96,   -16,
+      93,   -54,   92},
+     /* IRC_Composite_C_R0195_T180_P330.wav */
+     {-26,   26,   -26,  25,   -25,  25,   -24,   23,    -23,   22,    -21,
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+      72,    22,   84,   15,   94,   10,   75,    34,    67,    47,    21,
+      57,    14,   36},
+     /* IRC_Composite_C_R0195_T195_P330.wav */
+     {19,   -19,  19,   -20,  20,    -21,  21,    -22,  23,   -23,  24,    -24,
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+      44,   32,   63,   46,   79,    39,   81,    48,   51,   38,   73,    36,
+      50,   22,   77,   -11},
+     /* IRC_Composite_C_R0195_T210_P330.wav */
+     {4,    -4,   4,    -4,   4,    -4,   4,    -4,   4,    -4,   4,     -4,
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+      36,   -7,   28,   11,   12,   21,   18,   27,   33,   12,   47,    14,
+      27,   2,    38,   -2},
+     /* IRC_Composite_C_R0195_T225_P330.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,
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+      17,   18,   -2,   23},
+     /* IRC_Composite_C_R0195_T240_P330.wav */
+     {6,    -6,   6,    -6,   6,    -6,   6,    -6,   7,    -7,   7,    -7,
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+      -35,  -19,  -32,  1,    -19,  7,    -27,  9,    3,    4,    -14,  3,
+      -5,   36,   2,    41},
+     /* IRC_Composite_C_R0195_T255_P330.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -2,   2,    -2,   2,    -2,   2,
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+      -23,  3,    -23,  12,   -19,  28,   -12,  24,   -5,   41,   17,   24,
+      -7,   17,   -24,  23},
+     /* IRC_Composite_C_R0195_T270_P330.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
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+      -50,  -28,  -30,  -11,  -12,  -16,  -10,  -21,  -31,  -4,   -26,  2,
+      15,   8,    10,   -3,   -2,   5,    10,   12,   -9,   0,    -5,   9,
+      -13,  -19,  -29,  -16},
+     /* IRC_Composite_C_R0195_T285_P330.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+      0,    0,    0,    0,    0,    0,    0,    1,    -1,   1,    -1,   1,
+      -1,   1,    -1,   2,    -2,   3,    -6,   13,   -111, -184, -215, -184,
+      -140, -139, -179, -220, -168, -247, -124, 1,    -91,  -84,  42,   -80,
+      17,   -54,  56,   218,  634,  881,  967,  1181, 1587, 1636, 1273, 1643,
+      1650, 702,  357,  915,  823,  759,  711,  555,  754,  615,  798,  685,
+      720,  707,  793,  638,  630,  510,  595,  460,  429,  211,  188,  178,
+      148,  102,  16,   162,  0,    142,  -40,  140,  -32,  103,  24,   -7,
+      -30,  11,   -24,  -1,   -87,  12,   -168, 51,   -103, 64,   -105, 39,
+      -118, 10,   -91,  -91,  -119, -125, -90,  -149, -75,  -130, -138, -153,
+      -195, -185, -254, -205, -313, -223, -303, -243, -266, -224, -223, -230,
+      -188, -216, -155, -167, -129, -140, -137, -102, -110, -74,  -146, -82,
+      -177, -89,  -192, -110, -215, -160, -231, -232, -220, -242, -237, -262,
+      -238, -271, -237, -259, -263, -234, -261, -228, -278, -222, -281, -252,
+      -268, -270, -265, -263, -228, -244, -187, -230, -176, -214, -164, -194,
+      -141, -175, -152, -173, -143, -161, -171, -179, -174, -184, -157, -194,
+      -163, -211, -148, -196, -144, -205, -158, -219, -155, -190, -162, -178,
+      -166, -174, -156, -186, -169, -200, -161, -200, -167, -208, -167, -218,
+      -158, -186, -143, -155, -119, -123, -104, -117, -86,  -101, -54,  -82,
+      -39,  -73,  -25,  -68,  -7,   -55,  -18,  -42,  23,   -14,  19,   -21,
+      7,    -24,  19,   -4,   2,    -14,  7,    -10,  12,   -14,  13,   -7,
+      26,   -23,  8,    -14},
+     /* IRC_Composite_C_R0195_T300_P330.wav */
+     {-3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,
+      -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   4,
+      -4,   4,    -4,   4,    -4,   4,    -5,   -62,  -157, -83,  -247, -284,
+      -202, -303, -294, -235, -54,  -305, 15,   156,  241,  -112, -479, -226,
+      774,  -232, 495,  1765, 1236, 1265, 2221, 2705, 1763, 850,  505,  963,
+      731,  757,  546,  519,  206,  795,  441,  708,  577,  742,  596,  545,
+      491,  526,  666,  413,  377,  307,  300,  457,  188,  260,  34,   250,
+      133,  251,  58,   87,   249,  132,  194,  -1,   200,  55,   156,  95,
+      139,  122,  50,   62,   57,   84,   -3,   -71,  -62,  -99,  -113, -176,
+      -122, -254, -180, -227, -166, -230, -202, -293, -196, -279, -248, -326,
+      -256, -320, -217, -260, -211, -244, -154, -191, -125, -171, -113, -160,
+      -81,  -135, -55,  -102, -70,  -95,  -24,  -42,  -53,  -78,  -73,  -93,
+      -89,  -149, -139, -195, -180, -235, -192, -245, -233, -268, -234, -245,
+      -224, -256, -221, -249, -225, -220, -233, -215, -250, -226, -218, -236,
+      -221, -224, -181, -198, -176, -191, -173, -185, -156, -184, -162, -178,
+      -171, -172, -156, -184, -183, -174, -192, -186, -179, -189, -180, -212,
+      -184, -191, -167, -199, -217, -182, -203, -172, -210, -178, -224, -155,
+      -220, -185, -224, -199, -194, -203, -201, -206, -192, -196, -188, -165,
+      -158, -177, -147, -145, -112, -128, -98,  -113, -74,  -77,  -54,  -65,
+      -67,  -32,  -44,  -10,  -54,  -13,  -29,  -7,   -15,  -1,   -23,  19,
+      -18,  10,   -27,  11,   -16,  8,    2,    12,   -12,  4,    -1,   37,
+      18,   19,   17,   36},
+     /* IRC_Composite_C_R0195_T315_P330.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+      0,    0,    0,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,
+      1,    -1,   1,    -1,   2,    -3,   -227, -204, -310, -344, -179, -311,
+      -505, -298, -88,  -402, 115,  712,  -76,  -577, -211, 9,    558,  -404,
+      914,  2627, 1047, 2118, 4245, 2542, 908,  788,  1382, 865,  422,  674,
+      -11,  248,  192,  1314, 191,  817,  366,  966,  306,  467,  192,  289,
+      334,  100,  222,  7,    227,  236,  315,  254,  209,  305,  479,  300,
+      240,  335,  445,  260,  199,  112,  202,  84,   42,   63,   85,   -45,
+      -100, -80,  -73,  -157, -181, -120, -209, -167, -259, -161, -262, -234,
+      -281, -209, -243, -208, -221, -245, -173, -195, -197, -241, -151, -201,
+      -166, -240, -132, -182, -104, -150, -85,  -104, -75,  -148, -59,  -141,
+      -36,  -144, -33,  -133, -71,  -89,  -7,   -47,  -109, -70,  -108, -44,
+      -152, -113, -164, -122, -182, -216, -170, -212, -172, -263, -155, -228,
+      -178, -252, -176, -207, -200, -242, -206, -220, -204, -208, -195, -218,
+      -188, -193, -156, -217, -159, -200, -119, -211, -133, -181, -131, -177,
+      -169, -158, -166, -171, -195, -175, -181, -214, -193, -224, -184, -218,
+      -204, -219, -183, -222, -197, -222, -197, -226, -215, -204, -205, -207,
+      -216, -212, -210, -224, -222, -213, -210, -205, -202, -194, -174, -155,
+      -148, -134, -144, -126, -89,  -101, -75,  -94,  -84,  -69,  -47,  -37,
+      -69,  -67,  -26,  -35,  -13,  -29,  -17,  -23,  -3,   13,   -18,  -8,
+      -26,  22,   -30,  20,   -15,  30,   -13,  8,    -11,  23,   49,   30,
+      39,   22,   36,   16},
+     /* IRC_Composite_C_R0195_T330_P330.wav */
+     {9,    -9,   9,    -10,  10,   -10,  10,    -11,  11,   -12,  12,   -12,
+      13,   -13,  14,   -15,  15,   -16,  17,    -17,  18,   -19,  20,   -22,
+      23,   -25,  30,   -50,  -332, -388, -131,  -617, -214, -313, -733, -659,
+      255,  -155, -66,  699,  -77,  -372, -1255, -242, 2041, -707, -6,   4736,
+      2036, 2809, 3545, 4509, 22,   -72,  1207,  1973, -173, 508,  959,  302,
+      542,  540,  656,  123,  461,  665,  400,   314,  251,  504,  190,  265,
+      35,   373,  467,  91,   154,  128,  447,   203,  170,  90,   232,  80,
+      149,  193,  21,   -6,   -90,  -101, -59,   -80,  -255, -144, -154, -358,
+      -29,  -238, -96,  -237, -126, -195, 15,    -288, -107, -147, -89,  -276,
+      -120, -223, -134, -174, -181, -152, -158,  -179, -71,  -138, -116, -177,
+      -93,  -189, -60,  -206, -162, -159, -113,  -111, -150, -123, -93,  -106,
+      -83,  -101, -52,  -113, -43,  -99,  -10,   -99,  -66,  -88,  -58,  -127,
+      -64,  -152, -99,  -152, -144, -200, -127,  -259, -116, -227, -129, -245,
+      -98,  -258, -94,  -239, -152, -227, -154,  -225, -147, -242, -169, -202,
+      -172, -212, -140, -232, -141, -182, -139,  -168, -130, -205, -127, -137,
+      -140, -176, -175, -160, -166, -171, -205,  -188, -193, -212, -199, -238,
+      -185, -248, -173, -246, -186, -227, -206,  -245, -184, -218, -210, -235,
+      -210, -228, -175, -238, -206, -213, -189,  -196, -171, -200, -159, -123,
+      -146, -114, -128, -128, -81,  -88,  -83,   -80,  -52,  -124, -70,  -58,
+      -40,  -45,  -69,  -50,  -10,  -13,  -16,   -42,  -4,   -25,  50,   -37,
+      11,   -37,  37,   -4,   24,   -11,  12,    -7,   33,   10,   69,   29,
+      60,   20,   87,   -1},
+     /* IRC_Composite_C_R0195_T345_P330.wav */
+     {1,    0,    0,    0,     -1,   1,    -2,   2,     -3,   4,    -5,   6,
+      -7,   8,    -9,   11,    -13,  15,   -17,  20,    -24,  28,   -33,  40,
+      -47,  52,   -211, -235,  -688, -550, -297, -690,  -704, -444, 713,  -1568,
+      989,  470,  -39,  -1205, 323,  -714, 276,  -2380, 5748, 2929, 602,  8080,
+      5302, -453, -722, 3812,  715,  -74,  -365, 1626,  369,  1163, 1544, 781,
+      -4,   229,  668,  441,   364,  676,  214,  441,   36,   409,  174,  565,
+      -210, 423,  -90,  172,   -132, 46,   -99,  78,    -186, 159,  -181, 96,
+      -244, 13,   -280, -20,   -156, -41,  -291, -109,  -365, -55,  -322, -117,
+      -274, -136, -169, -159,  -189, -140, -191, 12,    -178, 0,    -295, -70,
+      -206, -88,  -236, -75,   -169, -78,  -191, -95,   -204, -87,  -146, -66,
+      -185, -107, -238, -113,  -249, -119, -185, -98,   -187, -131, -176, -95,
+      -137, -31,  -142, -17,   -163, -50,  -120, -40,   -114, -19,  -100, -43,
+      -142, -64,  -163, -81,   -167, -107, -184, -140,  -220, -122, -200, -146,
+      -203, -155, -165, -178,  -177, -198, -166, -175,  -153, -160, -161, -178,
+      -163, -171, -143, -138,  -136, -139, -146, -131,  -151, -132, -167, -143,
+      -153, -146, -165, -157,  -219, -159, -215, -151,  -222, -190, -225, -204,
+      -218, -208, -214, -189,  -218, -191, -221, -190,  -214, -185, -216, -196,
+      -215, -178, -200, -217,  -218, -194, -162, -182,  -170, -189, -185, -152,
+      -157, -123, -144, -122,  -111, -99,  -99,  -89,   -76,  -63,  -81,  -56,
+      -61,  -31,  -49,  -85,   -23,  -30,  -14,  -9,    -21,  -45,  -18,  -1,
+      16,   3,    5,    -5,    5,    8,    -5,   64,    39,   55,   37,   73,
+      42,   56,   31,   84}};
+
+const int16_t irc_composite_c_r0195_p345[][256] =
+    {/* IRC_Composite_C_R0195_T000_P345.wav */
+     {2,    -1,    1,    -1,    1,    -1,    1,    -1,    0,     0,     0,
+      0,    -1,    1,    -2,    2,    -3,    4,    -5,    7,     -9,    11,
+      -15,  21,    -203, -88,   -927, -196,  -604, -22,   -2141, -496,  -650,
+      1585, -548,  803,  -263,  412,  -5131, 5346, -2103, -7267, 12288, 1672,
+      1403, 10338, 7456, -3182, -874, 2680,  1965, -5296, 1356,  1865,  68,
+      -578, 2523,  1092, 1554,  2056, 2530,  1058, 1432,  379,   1062,  -82,
+      -380, -971,  369,  -376,  62,   -56,   669,  -390,  190,   379,   537,
+      98,   -46,   -35,  315,   348,  110,   183,  491,   -38,   19,    211,
+      170,  -22,   -231, -125,  -221, 138,   -512, -336,  -126,  10,    -387,
+      -311, -283,  -176, -241,  -345, -432,  -207, -330,  -489,  -386,  -392,
+      -351, -423,  -274, -457,  -352, -361,  -311, -213,  -391,  -323,  -302,
+      -143, -325,  -378, -206,  -229, -190,  -319, -334,  -196,  -236,  -126,
+      -387, -117,  -339, -105,  -264, -135,  -207, -172,  -176,  -254,  -160,
+      -183, -177,  -200, -218,  -201, -189,  -116, -205,  -120,  -224,  -113,
+      -159, -119,  -241, -118,  -127, -119,  -188, -91,   -119,  -15,   -186,
+      -30,  -132,  28,   -213,  -19,  -166,  21,   -190,  -46,   -185,  -49,
+      -159, -65,   -168, -65,   -190, -59,   -218, -46,   -217,  -24,   -231,
+      -74,  -204,  -52,  -181,  -89,  -211,  -94,  -196,  -70,   -219,  -104,
+      -200, -55,   -181, -86,   -186, -39,   -155, -66,   -178,  -1,    -187,
+      -47,  -188,  6,    -142,  -11,  -161,  -5,   -114,  -9,    -113,  6,
+      -145, -7,    -123, -21,   -161, -34,   -116, -47,   -173,  -82,   -145,
+      -76,  -157,  -72,  -137,  -75,  -186,  -79,  -163,  -31,   -131,  -17,
+      -156, -51,   -99,  26,    -74,  -5,    -101, 37,    -82,   48,    -83,
+      35,   -130,  20},
+     /* IRC_Composite_C_R0195_T015_P345.wav */
+     {-8,    8,     -9,    9,     -9,    10,    -10,   11,    -11,  12,   -13,
+      14,    -15,   17,    -19,   21,    -23,   26,    -30,   34,   -31,  -453,
+      -1036, -33,   -665,  328,   -1202, -749,  -1695, -16,   154,  1160, 807,
+      430,   -250,  202,   -9659, 9217,  1210,  -9352, 17225, 6331, 1506, 7124,
+      7939,  -4308, -4730, 1188,  3176,  -2475, 1424,  -48,   -469, 790,  3944,
+      1309,  680,   1752,  2484,  1048,  341,   -282,  654,   -429, -824, -317,
+      110,   -114,  -77,   514,   87,    -336,  314,   152,   794,  -136, 169,
+      -632,  188,   -172,  280,   -21,   -59,   -628,  -366,  -701, 125,  -342,
+      195,   -484,  14,    -385,  142,   -203,  -25,   -63,   -111, -438, -237,
+      -144,  -19,   -603,  -408,  -283,  -225,  -622,  -635,  -157, -385, -331,
+      -577,  -30,   -389,  -404,  -427,  -106,  -226,  -443,  -405, -162, -392,
+      -396,  -469,  17,    -462,  -322,  -529,  -39,   -465,  -308, -396, -19,
+      -390,  -307,  -364,  11,    -326,  -213,  -317,  -16,   -354, -213, -313,
+      -60,   -343,  -187,  -297,  -56,   -344,  -144,  -249,  -9,   -231, -112,
+      -162,  -24,   -173,  -102,  -136,  27,    -150,  -25,   -210, 56,   -219,
+      64,    -254,  58,    -220,  23,    -244,  -12,   -203,  -8,   -244, -39,
+      -226,  -35,   -259,  -51,   -231,  -34,   -263,  -76,   -247, -60,  -275,
+      -44,   -227,  -27,   -295,  -46,   -242,  -22,   -251,  -17,  -192, -18,
+      -252,  -5,    -165,  49,    -233,  62,    -170,  73,    -217, 68,   -124,
+      45,    -174,  23,    -102,  4,     -167,  36,    -98,   28,   -187, 19,
+      -138,  2,     -165,  -15,   -133,  -54,   -155,  -42,   -139, -76,  -178,
+      -15,   -149,  -36,   -176,  14,    -154,  -30,   -174,  22,   -136, -10,
+      -157,  29,    -146,  8,     -148,  67,    -147,  48,    -150, 87,   -144,
+      95,    -120,  68},
+     /* IRC_Composite_C_R0195_T030_P345.wav */
+     {-5,    4,    -2,    1,     1,     -3,    5,    -8,    11,    -14,
+      18,    -22,  28,    -33,   40,    -47,   52,   -40,   -408,  -1246,
+      -239,  -636, 412,   -1166, -641,  -1047, -627, -510,  85,    1903,
+      1495,  1980, -2101, -8149, 8335,  -7570, 2561, 15248, -2261, 7441,
+      12350, 8152, -6960, -897,  -1312, -80,   35,   3139,  -1223, -111,
+      782,   2694, 1229,  2248,  830,   1733,  -78,  616,   211,   239,
+      -1106, 180,  -577,  174,   -80,   366,   -414, -235,  48,    899,
+      -101,  -343, 251,   6,     -139,  -259,  84,   -149,  -439,  -392,
+      -377,  -353, -641,  -180,  -347,  -645,  -512, 18,    -444,  -412,
+      -353,  -372, 29,    -540,  -286,  -340,  91,   -270,  81,    -387,
+      -257,  -287, -105,  -191,  -258,  -436,  11,   -476,  -269,  -411,
+      -52,   -449, -147,  -462,  -317,  -370,  -394, -207,  -298,  -370,
+      -445,  -321, -432,  -282,  -273,  -429,  -392, -579,  -276,  -340,
+      -267,  -422, -237,  -397,  -288,  -363,  -183, -311,  -252,  -339,
+      -167,  -369, -181,  -301,  -85,   -308,  -243, -297,  -206,  -198,
+      -141,  -225, -133,  -188,  -51,   -81,   -5,   -156,  39,    -131,
+      -42,   -137, -12,   -105,  -59,   -165,  -33,  -91,   -103,  -131,
+      -61,   -132, -15,   -166,  -70,   -196,  -74,  -136,  -77,   -240,
+      -119,  -181, -167,  -207,  -153,  -210,  -116, -267,  -128,  -236,
+      -136,  -218, -68,   -191,  -86,   -215,  -66,  -87,   -41,   -115,
+      -57,   -149, 39,    -73,   32,    -134,  21,   -60,   58,    -96,
+      16,    -33,  13,    -37,   -10,   -59,   0,    -62,   -11,   -108,
+      -26,   -126, 5,     -173,  -25,   -133,  -22,  -188,  -62,   -152,
+      -27,   -144, -75,   -133,  -61,   -105,  -49,  -114,  -43,   -128,
+      -43,   -94,  -30,   -105,  -18,   -125,  -14,  -97,   30,    -123,
+      23,    -65,  42,    -66,   35,    -56},
+     /* IRC_Composite_C_R0195_T045_P345.wav */
+     {-8,    9,     -9,   10,    -11,   12,   -14,   15,    -17,   18,    -20,
+      23,    -26,   29,   -32,   27,    -914, -992,  248,   -1147, 746,   -600,
+      -1411, -744,  -565, -282,  187,   2409, 2683,  -221,  -1093, -6934, 4033,
+      -4276, 11276, -297, 4328,  20553, 5592, -1738, -1835, 48,    -2700, 3273,
+      333,   -1462, -612, 3497,  663,   1061, 1222,  2492,  754,   1168,  -36,
+      273,   -1174, -272, -1054, 891,   -844, 132,   -415,  315,   -117,  257,
+      -335,  440,   -662, 37,    -141,  164,  -657,  106,   -514,  -245,  -612,
+      -181,  -587,  -119, -354,  -272,  -370, 70,    -460,  -182,  -631,  -316,
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+      -126,  -27,   -77,  -59,   -103,  5,    -43,   -32,   -25,   -36,   -5,
+      -42,   40,    -34,  18,    -45,   1,    -59,   7,     -47,   -28,   -49,
+      -55,   -63,   -33,  -55,   -79,   -59,  -82,   -109,  -94,   -40,   -81,
+      -89,   -121,  -82,  -83,   -49,   -111, -62,   -79,   -97,   -59,   -52,
+      -74,   -97,   -50,  -98,   -31,   -116, 11,    -85,   32,    -106,  43,
+      -88,   79,    -70},
+     /* IRC_Composite_C_R0195_T060_P345.wav */
+     {2,     0,     -1,   2,     -4,   7,     -10,   13,   -18,   24,    -33,
+      46,    -69,   124,  -1066, 18,   -1103, -58,   -112, -921,  -201,  357,
+      -2572, -292,  84,   3712,  705,  1846,  -3182, 733,  -1997, -2694, 2428,
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+      -115,  -102,  -170, -130,  -176, -78,   -151,  -106, -187,  -132,  -212,
+      -115,  -143,  -110, -184,  -158, -155,  -100,  -103, -72,   -126,  -49,
+      -120,  -26,   -63,  20,    -83,  6,     -50,   25,   -17,   26,    -29,
+      39,    -31,   8,    -37,   34,   -77,   20,    -77,  4,     -80,   -26,
+      -93,   -19,   -70,  -86,   -71,  -70,   -82,   -94,  -51,   -114,  -61,
+      -80,   -78,   -73,  -90,   -68,  -70,   -42,   -80,  -51,   -78,   -111,
+      -16,   -79,   -18,  -107,  -18,  -114,  -3,    -27,  -1,    -36,   -19,
+      -21,   -10,   39},
+     /* IRC_Composite_C_R0195_T075_P345.wav */
+     {13,    -13,   13,    -13,   13,   -13,   13,   -14,   14,   -14,  14,
+      -14,   13,    -149,  -486,  -602, -335,  -455, -212,  -518, 0,    -1171,
+      -540,  -311,  1579,  3683,  3360, -5772, -426, -1232, -715, 5798, -5995,
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+      -135,  -84,   -130,  -121,  -106, -85,   -107, -61,   -110, -53,  -77,
+      2,     -45,   -15,   -51,   -20,  4,     33,   -23,   -40,  -36,  1,
+      -53,   16,    -46,   -46,   -69,  1,     -46,  -34,   -47,  -35,  -46,
+      -45,   -73,   -11,   -76,   -35,  -107,  -21,  -105,  -57,  -70,  -68,
+      -101,  -73,   -74,   -59,   -95,  -48,   -78,  -69,   -89,  -82,  -50,
+      -61,   -44,   -75,   -23,   -52,  -44,   10,   -43,   -23,  -47,  63,
+      -13,   31,    19},
+     /* IRC_Composite_C_R0195_T090_P345.wav */
+     {-40,   45,   -52,   60,   -69,  79,    -92,   108,   -129, 156,   -197,
+      267,   -462, -149,  208,  -635, -826,  268,   -390,  -920, 244,   -62,
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+      34,    -59,  8,     -22,  -47,  2,     -38,   -69,   -64,  -5,    -74,
+      -105,  -59,  -66,   -97,  -94,  -96,   -78,   -97,   -52,  -113,  -64,
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+      -30,   -55,  4,     -41,  13,   -55,   20,    -26,   32,   -22,   71,
+      -18,   17,   30},
+     /* IRC_Composite_C_R0195_T105_P345.wav */
+     {-67,   70,    -74,   77,    -81,   86,    -90,   96,    -101,   108,
+      -115,  124,   -133,  69,    -792,  -387,  271,   -596,  -717,   859,
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+      -117,  -28,   -57,   -25,   -82,   -14,   -37,   -3,    -37,    48,
+      -10,   30,    -29,   94,    17,    67},
+     /* IRC_Composite_C_R0195_T120_P345.wav */
+     {-3,   4,     -6,    7,     -9,    12,    -14,  18,     -21,  26,    -32,
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+      -104, -4,    -152,  -16,   -85,   -19,   -175, 14,     -94,  -9,    -106,
+      -24,  -72,   42,    -77,   -27,   -22,   2,    -33,    78,   -29,   -21,
+      21,   111,   -5},
+     /* IRC_Composite_C_R0195_T135_P345.wav */
+     {-8,    8,     -9,   9,     -9,    10,    -10,  11,    -11,  11,    -12,
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+      -80,   -10,   -90,  -5,    -84,   -42,   -79,  4,     -67,  -63,   -38,
+      -27,   -36,   -23,  -7,    11,    -34,   14,   -18,   51,   -74,   41,
+      9,     19,    -7},
+     /* IRC_Composite_C_R0195_T150_P345.wav */
+     {9,     -10,   11,   -12,   13,    -14,   16,   -18,   20,   -22,   25,
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+      -68,   -81,   -70,  -85,   -45,   -100,  -52,  -108,  -40,  -95,   -39,
+      -123,  -50,   -123, -64,   -117,  -58,   -114, -101,  -106, -61,   -84,
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+      -37,   -37,   -34,  -28,   -67,   -18,   -49,  -26,   -48,  -2,    -23,
+      -34,   -24,   7,    4,     -14,   13,    9,    -1,    -21,  7,     5,
+      3,     -11,   -9},
+     /* IRC_Composite_C_R0195_T165_P345.wav */
+     {-16,  16,    -16,  16,    -16,   17,   -17,   17,   -17,  18,   -18,
+      18,   -18,   19,   -19,   19,    -19,  19,    -19,  19,   -18,  15,
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+      -91,  -166,  -97,  -138,  -90,   -161, -94,   -134, -93,  -167, -101,
+      -146, -89,   -171, -96,   -130,  -90,  -122,  -75,  -116, -77,  -102,
+      -73,  -86,   -102, -91,   -92,   -79,  -122,  -82,  -99,  -73,  -113,
+      -89,  -86,   -78,  -89,   -91,   -110, -85,   -90,  -61,  -78,  -110,
+      -68,  -88,   -12,  -123,  -18,   -120, 12,    -117, 12,   -119, 3,
+      -74,  28,    -74,  -4,    -63,   7,    -46,   0,    -67,  7,    -52,
+      21,   -52,   5,    -33,   17,    5,    -5,    -18,  -6,   3,    -14,
+      -17,  -13,   -5},
+     /* IRC_Composite_C_R0195_T180_P345.wav */
+     {14,   -14,  15,    -15,  15,    -16,  16,   -17,  18,   -18,  19,   -20,
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+      -256, -284, -250,  -220, -205,  -223, -287, -266, -239, -195, -135, -147,
+      -134, -149, -99,   -176, -199,  -275, -263, -263, -286, -264, -295, -223,
+      -247, -187, -176,  -146, -128,  -120, -103, -115, -67,  -85,  -89,  -116,
+      -143, -100, -117,  -73,  -127,  -58,  -97,  -32,  -121, -65,  -147, -77,
+      -157, -103, -172,  -126, -140,  -135, -140, -152, -146, -132, -154, -119,
+      -152, -105, -161,  -118, -130,  -105, -117, -95,  -88,  -108, -66,  -84,
+      -63,  -104, -55,   -48,  -36,   -55,  -20,  -46,  -8,   -40,  5,    -55,
+      -25,  -61,  -13,   -59,  -44,   -51,  -47,  -33,  -43,  -29,  -37,  -41,
+      -40,  -27,  -26,   -28,  -32,   -23,  -2,   -7,   24,   -14,  -21,  -16,
+      -7,   -26,  -52,   -44},
+     /* IRC_Composite_C_R0195_T195_P345.wav */
+     {6,    -6,   6,    -7,   7,     -7,   7,     -7,   7,    -7,    8,    -8,
+      8,    -8,   9,    -9,   9,     -10,  10,    -11,  11,   -12,   14,   -15,
+      17,   -21,  38,   -16,  75,    -220, -59,   106,  197,  -177,  5,    -30,
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+      -193, -139, -163, -148, -164,  -142, -130,  -130, -110, -101,  -105, -93,
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+      -15,  -43,  -40,  -44,  -53,   -61,  -41,   -51,  -45,  -65,   -44,  -54,
+      -43,  -56,  -70,  -49,  -64,   -4,   -42,   4,    -66,  5,     -19,  28,
+      -23,  -34,  -32,  -54},
+     /* IRC_Composite_C_R0195_T210_P345.wav */
+     {-2,   2,    -2,   2,    -2,   2,    -2,   1,    -1,    1,    -1,   1,
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+      -162, -166, -161, -175, -145, -160, -146, -183, -159,  -151, -121, -142,
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+      -35,  -44,  -51,  -18},
+     /* IRC_Composite_C_R0195_T225_P345.wav */
+     {4,    -4,   4,    -4,   5,    -5,   5,    -5,   5,    -5,   5,    -5,
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+      -45,  -48,  -32,  -64},
+     /* IRC_Composite_C_R0195_T240_P345.wav */
+     {1,    -1,   1,    -1,   1,    -1,   1,    -2,   2,    -2,   2,    -2,
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+      -61,  -54,  -82,  -67},
+     /* IRC_Composite_C_R0195_T255_P345.wav */
+     {1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,
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+      -46,  -79,  -66,  -94,  -77,  -85,  -74,  -86,  -77,  -80,  -67,  -80,
+      -78,  -81,  -61,  -58},
+     /* IRC_Composite_C_R0195_T270_P345.wav */
+     {1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,
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+      -29,  3,    -32,  -9,   -39,  15,   11,   7,    13,   12,   6,    12,
+      11,   20,   5,    2,    4,    3,    -12,  -24,  -23,  -5,   -3,   -22,
+      4,    5,    1,    4},
+     /* IRC_Composite_C_R0195_T285_P345.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    -1,   1,    -1,
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+      -198, -89,  -195, -112, -261, -100, -214, -212, -183, -197, -150, -219,
+      -140, -179, -164, -230, -178, -187, -230, -226, -257, -158, -281, -201,
+      -228, -189, -261, -210, -220, -259, -267, -256, -233, -276, -267, -249,
+      -227, -294, -254, -243, -276, -267, -297, -257, -292, -260, -305, -245,
+      -279, -264, -243, -230, -212, -214, -151, -148, -130, -127, -88,  -74,
+      -103, -75,  -88,  -67,  -122, -69,  -96,  -106, -123, -96,  -146, -128,
+      -172, -140, -152, -152, -190, -154, -179, -153, -191, -155, -209, -127,
+      -197, -114, -197, -134, -193, -131, -195, -130, -172, -126, -176, -158,
+      -191, -169, -206, -154, -203, -183, -230, -172, -205, -185, -204, -179,
+      -196, -157, -166, -116, -150, -115, -126, -82,  -123, -71,  -85,  -83,
+      -83,  -68,  -72,  -63,  -78,  -79,  -49,  -75,  -79,  -92,  -70,  -98,
+      -66,  -95,  -75,  -105, -104, -85,  -82,  -92,  -105, -73,  -107, -87,
+      -82,  -75,  -79,  -91},
+     /* IRC_Composite_C_R0195_T300_P345.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   2,    -2,   2,
+      -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,   3,    -3,   3,
+      -3,   4,    -4,   5,    -6,   8,    -10,  16,   -33,  4,    109,  115,
+      258,  119,  96,   128,  286,  309,  258,  544,  795,  778,  461,  339,
+      836,  601,  406,  1682, 1975, 1154, 2276, 2834, 1223, 701,  931,  69,
+      -668, -254, 489,  635,  -539, 173,  339,  531,  396,  94,   191,  -102,
+      150,  -127, -75,  -251, -176, -409, -489, -562, -686, -623, -666, -571,
+      -644, -520, -569, -434, -437, -442, -489, -355, -376, -438, -545, -399,
+      -497, -467, -538, -479, -549, -412, -479, -420, -458, -466, -435, -392,
+      -372, -360, -342, -413, -353, -363, -348, -419, -344, -451, -370, -415,
+      -367, -468, -389, -500, -406, -491, -367, -474, -360, -481, -350, -435,
+      -296, -421, -285, -402, -267, -363, -222, -350, -221, -334, -215, -270,
+      -177, -235, -146, -214, -118, -175, -89,  -140, -81,  -133, -96,  -92,
+      -54,  -91,  -56,  -86,  -58,  -64,  -32,  -51,  -40,  -76,  -57,  -55,
+      -36,  -113, -96,  -83,  -105, -91,  -129, -152, -109, -131, -124, -142,
+      -150, -156, -119, -136, -143, -152, -125, -140, -130, -126, -129, -99,
+      -125, -119, -110, -121, -109, -118, -102, -117, -98,  -117, -101, -93,
+      -114, -105, -94,  -69,  -112, -75,  -86,  -60,  -49,  -25,  -59,  6,
+      -33,  -1,   -8,   8,    -2,   17,   23,   0,    29,   13,   17,   24,
+      18,   21,   18,   23,   -13,  11,   -8,   15,   5,    10,   -10,  8,
+      -24,  7,    1,    -11,  1,    27,   -4,   48,   5,    53,   24,   86,
+      43,   68,   50,   99},
+     /* IRC_Composite_C_R0195_T315_P345.wav */
+     {1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -2,
+      2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,
+      2,    -2,   2,    -2,   2,    -1,   0,    6,    -137, -110, -314, -483,
+      -264, -184, -467, -482, 89,   -336, 204,  277,  141,  -93,  -770, -71,
+      819,  -837, 1577, 3127, 1312, 2383, 3512, 2495, -80,  350,  890,  699,
+      71,   561,  954,  294,  1113, 1117, 1259, 495,  984,  849,  877,  553,
+      746,  524,  537,  393,  441,  428,  542,  429,  296,  210,  204,  231,
+      133,  -55,  33,   -7,   -111, -11,  -91,  34,   -190, -56,  -131, 39,
+      -14,  66,   -79,  58,   -96,  105,  -60,  169,  -64,  84,   -143, 118,
+      -100, -84,  -157, -91,  -304, -233, -224, -201, -251, -259, -309, -306,
+      -307, -286, -299, -265, -407, -357, -301, -345, -348, -313, -294, -342,
+      -334, -338, -298, -266, -288, -261, -298, -254, -268, -227, -236, -260,
+      -244, -223, -227, -260, -233, -195, -202, -171, -228, -156, -170, -114,
+      -170, -107, -146, -105, -89,  -96,  -83,  -40,  -73,  -59,  -66,  -65,
+      -71,  -53,  -107, -74,  -75,  -92,  -122, -102, -105, -87,  -130, -86,
+      -139, -115, -142, -131, -148, -147, -160, -144, -151, -139, -173, -139,
+      -186, -126, -170, -147, -194, -137, -189, -141, -184, -162, -186, -151,
+      -208, -180, -195, -172, -186, -165, -204, -165, -157, -155, -139, -132,
+      -141, -108, -126, -89,  -110, -98,  -101, -113, -94,  -111, -133, -99,
+      -126, -121, -126, -97,  -115, -103, -122, -84,  -114, -58,  -120, -106,
+      -109, -97,  -103, -75,  -128, -91,  -104, -73,  -91,  -53,  -59,  -46,
+      -63,  -33,  -22,  -14},
+     /* IRC_Composite_C_R0195_T330_P345.wav */
+     {-9,   9,    -9,   9,    -9,   9,    -9,   9,    -9,    9,    -9,   9,
+      -9,   9,    -9,   9,    -9,   9,    -9,   10,   -10,   10,   -10,  10,
+      -10,  10,   -10,  10,   -7,   -378, -458, 118,  -356,  -539, -320, -251,
+      -977, -150, 272,  171,  262,  290,  -552, -354, -2031, 2393, -54,  -667,
+      4888, 3245, 1575, 3792, 4173, -210, -907, 432,  1658,  -334, 338,  623,
+      940,  723,  1598, 1314, 1216, 764,  1038, 976,  401,   116,  250,  473,
+      239,  334,  528,  294,  340,  65,   340,  194,  348,   152,  304,  92,
+      279,  123,  93,   -24,  89,   -192, -125, -56,  -130,  68,   194,  -86,
+      77,   174,  220,  128,  98,   -234, -216, -168, -160,  -251, -283, -410,
+      -399, -240, -227, -363, -327, -361, -302, -370, -271,  -312, -309, -428,
+      -402, -318, -223, -266, -304, -253, -264, -272, -246,  -203, -278, -299,
+      -319, -254, -236, -260, -281, -188, -203, -212, -220,  -185, -220, -178,
+      -230, -207, -215, -227, -248, -182, -197, -163, -179,  -101, -143, -112,
+      -138, -84,  -115, -82,  -111, -83,  -102, -83,  -51,   -69,  -49,  -89,
+      -18,  -67,  -73,  -108, -72,  -63,  -79,  -111, -167,  -94,  -130, -99,
+      -166, -109, -181, -121, -156, -124, -154, -131, -162,  -169, -165, -170,
+      -136, -151, -159, -185, -163, -122, -139, -141, -175,  -141, -148, -148,
+      -172, -157, -130, -154, -150, -148, -142, -153, -141,  -116, -159, -97,
+      -155, -91,  -162, -92,  -141, -53,  -134, -97,  -132,  -68,  -111, -97,
+      -127, -98,  -128, -105, -137, -81,  -141, -76,  -120,  -73,  -136, -97,
+      -105, -48,  -102, -73,  -108, -56,  -97,  -41,  -75,   -56,  -70,  -20,
+      -33,  -9,   -51,  -32},
+     /* IRC_Composite_C_R0195_T345_P345.wav */
+     {1,     -2,   2,    -3,   4,    -4,    5,    -6,    7,     -8,   9,
+      -10,   11,   -13,  14,   -16,  17,    -19,  21,    -22,   24,   -25,
+      25,    -22,  13,   15,   -152, -764,  140,  -602,  18,    -900, -519,
+      -1092, -545, 489,  261,  706,  -1198, 1895, -1912, -2689, 2900, 30,
+      -3177, 8188, 3071, 2405, 4243, 6073,  615,  -3233, 507,   1858, -510,
+      -537,  1688, 110,  230,  1724, 2185,  1547, 1263,  1871,  1145, 573,
+      342,   -23,  261,  -614, -9,   -121,  805,  -137,  38,    285,  272,
+      -29,   312,  280,  184,  234,  346,   -32,  603,   80,    194,  153,
+      323,   -216, 458,  198,  10,   -275,  28,   -275,  -40,   -248, -266,
+      -416,  -305, -349, -213, -336, -338,  -460, -267,  -400,  -247, -403,
+      -303,  -379, -264, -460, -298, -347,  -227, -420,  -309,  -405, -246,
+      -238,  -250, -319, -267, -250, -266,  -221, -240,  -318,  -184, -236,
+      -175,  -305, -161, -225, -161, -213,  -190, -219,  -158,  -206, -155,
+      -198,  -165, -211, -169, -178, -141,  -180, -148,  -191,  -154, -191,
+      -120,  -222, -141, -171, -68,  -131,  -104, -142,  -95,   -72,  -93,
+      -71,   -91,  -94,  -90,  -92,  -83,   -97,  -91,   -117,  -108, -109,
+      -102,  -101, -101, -116, -95,  -82,   -119, -115,  -158,  -119, -137,
+      -108,  -151, -151, -163, -123, -125,  -148, -167,  -118,  -168, -149,
+      -196,  -146, -169, -130, -179, -147,  -164, -153,  -114,  -109, -119,
+      -128,  -121, -82,  -111, -89,  -98,   -81,  -102,  -105,  -71,  -85,
+      -85,   -116, -85,  -98,  -76,  -124,  -102, -118,  -107,  -84,  -126,
+      -141,  -114, -78,  -80,  -110, -127,  -121, -93,   -112,  -96,  -109,
+      -98,   -90,  -55,  -53,  -66,  -54,   -41,  -26,   -18,   -19,  -5,
+      -33,   -57,  -33}};
+
+const int16_t irc_composite_c_r0195_p000[][256] =
+    {/* IRC_Composite_C_R0195_T000_P000.wav */
+     {1,     -1,    1,    -1,    0,    0,     0,     0,     0,     1,     -1,
+      2,     -2,    2,    -3,    4,    -5,    6,     -7,    9,     -11,   14,
+      -20,   33,    -756, -534,  -348, 102,   -1032, -582,  -1506, 65,    -959,
+      133,   -210,  1928, 576,   -291, -5368, 5774,  -6962, -2265, 14308, -3483,
+      7090,  10599, 2076, -2731, 3149, -192,  -3412, -1652, 3866,  548,   -1226,
+      -1088, 2012,  2077, 1960,  -209, 1087,  1404,  1871,  1150,  1665,  536,
+      626,   1200,  1268, 592,   -114, -160,  -95,   133,   -37,   -246,  158,
+      -144,  -190,  -548, 421,   96,   105,   -192,  181,   129,   158,   143,
+      73,    -164,  -261, -64,   -147, -128,  -55,   -166,  -60,   98,    349,
+      -253,  126,   -172, 110,   -391, -118,  265,   -317,  256,   -97,   416,
+      -62,   274,   -244, -355,  -104, -427,  -357,  -741,  -368,  -489,  -365,
+      -418,  -498,  -150, -384,  -361, -530,  -257,  -297,  -381,  -491,  -511,
+      -393,  -429,  -294, -395,  -373, -408,  -292,  -342,  -260,  -297,  -286,
+      -427,  -324,  -291, -291,  -276, -319,  -244,  -386,  -221,  -241,  -141,
+      -260,  -273,  -231, -153,  -86,  -203,  -202,  -152,  -95,   -140,  -176,
+      -127,  -110,  -156, -237,  -148, -139,  -94,   -248,  -190,  -202,  -85,
+      -155,  -205,  -223, -169,  -158, -183,  -216,  -167,  -164,  -146,  -219,
+      -103,  -162,  -71,  -220,  -10,  -169,  7,     -134,  32,    -76,   -42,
+      -100,  -66,   -50,  -44,   -71,  -88,   -122,  -40,   -75,   21,    -78,
+      -18,   -125,  -33,  -69,   53,   -77,   -22,   -138,  -41,   -62,   -55,
+      -92,   -83,   -99,  -115,  -150, -17,   -53,   -12,   -184,  -50,   -96,
+      28,    -81,   -1,   -78,   -41,  -118,  -14,   -66,   38,    -82,   -29,
+      -104,  29,    5,    34,    -62,  14,    7,     47,    -61,   67,    -43,
+      51,    -145,  61},
+     /* IRC_Composite_C_R0195_T015_P000.wav */
+     {123,   -125,  127,   -129,  131,   -133,  135,   -137,   138,   -140,
+      141,   -141,  141,   -140,  137,   -131,  122,   -106,   76,    -10,
+      -238,  -830,  -319,  -1069, 17,    -859,  165,   -1424,  -309,  -2002,
+      526,   695,   3378,  -155,  -423,  -6705, 9134,  -12025, 1719,  14823,
+      -7846, 16119, 11510, -1243, -4202, 5454,  -1293, -2996,  -1156, 2894,
+      -853,  -440,  -59,   2319,  814,   827,   428,   2620,   1829,  1181,
+      817,   1748,  469,   1133,  599,   1385,  -490,  316,    -1523, 369,
+      -621,  391,   -835,  160,   -740,  77,    -149,  751,    -195,  -103,
+      -622,  191,   -100,  342,   -303,  -90,   -465,  82,     62,    259,
+      -409,  -385,  44,    87,    -50,   21,    54,    -467,   -207,  -79,
+      -324,  -108,  -90,   -152,  -620,  71,    -110,  47,     -749,  -161,
+      -523,  -153,  -446,  -157,  -336,  40,    -137,  -86,    -507,  -177,
+      -322,  -14,   -430,  -277,  -557,  -360,  -326,  -296,   -274,  -463,
+      -359,  -502,  -263,  -388,  -316,  -369,  -353,  -459,   -464,  -335,
+      -293,  -324,  -333,  -369,  -324,  -380,  -288,  -268,   -287,  -294,
+      -317,  -270,  -395,  -181,  -204,  -149,  -383,  -214,   -212,  -113,
+      -188,  -174,  -211,  -188,  -99,   -166,  -173,  -203,   -111,  -134,
+      -148,  -226,  -166,  -126,  -86,   -216,  -199,  -234,   -119,  -193,
+      -118,  -250,  -172,  -245,  -101,  -156,  -114,  -172,   -153,  -162,
+      -98,   -70,   -71,   -106,  -70,   -81,   -14,   -14,    37,    -38,
+      -36,   -107,  -3,    -9,    52,    -91,   -63,   -116,   20,    -50,
+      18,    -151,  -37,   -125,  57,    -97,   31,    -149,   5,     -133,
+      4,     -141,  9,     -132,  -7,    -168,  9,     -124,   33,    -144,
+      22,    -166,  15,    -117,  46,    -156,  11,    -127,   36,    -124,
+      23,    -58,   69,    -65,   71,    -34,   110,   -36,    130,   -45,
+      96,    -68,   96,    -59,   38,    -71},
+     /* IRC_Composite_C_R0195_T030_P000.wav */
+     {-63,   66,    -69,   73,   -76,   80,     -84,   89,    -93,   98,
+      -102,  107,   -110,  111,  -108,  95,     -54,   -154,  -785,  -302,
+      -1153, 268,   -1139, 240,  -1422, 320,    -2283, 272,   -629,  4046,
+      237,   3112,  -7137, 2285, 231,   -13166, 20036, -5068, 11914, 16533,
+      2581,  -5753, 2916,  1267, -3077, -1961,  1642,  -123,  210,   665,
+      1080,  1069,  485,   1122, 1846,  1948,   901,   1486,  921,   1132,
+      470,   865,   -186,  -57,  -358,  -153,   -489,  -118,  -724,  -365,
+      -517,  -156,  -335,  155,  -255,  96,     -315,  376,   -169,  22,
+      -435,  5,     -544,  -35,  -484,  -12,    -457,  280,   -453,  -177,
+      -399,  435,   -423,  -188, -484,  161,    -217,  -38,   -732,  -416,
+      -157,  73,    -480,  -440, -302,  -140,   -260,  -335,  -490,  -420,
+      -470,  -291,  -617,  -112, -315,  20,     -559,  -210,  -412,  154,
+      -162,  -102,  -453,  -225, -205,  -23,    -247,  -203,  -409,  -147,
+      -366,  -147,  -367,  -150, -477,  -326,   -502,  -222,  -390,  -294,
+      -498,  -249,  -423,  -313, -510,  -239,   -382,  -176,  -516,  -351,
+      -496,  -92,   -337,  -150, -462,  -212,   -366,  -74,   -288,  -94,
+      -322,  -110,  -334,  -53,  -240,  11,     -306,  -108,  -332,  -45,
+      -271,  -52,   -295,  -76,  -308,  -99,    -319,  -57,   -226,  -50,
+      -303,  -130,  -254,  -54,  -183,  -89,    -261,  -98,   -193,  -6,
+      -184,  -12,   -164,  45,   -175,  27,     -120,  129,   -69,   82,
+      -89,   120,   -26,   113,  -48,   59,     -77,   18,    -85,   -3,
+      -107,  0,     -78,   -29,  -159,  0,      -62,   67,    -139,  -9,
+      -138,  19,    -136,  -3,   -124,  -27,    -149,  -30,   -136,  -11,
+      -97,   -7,    -137,  -19,  -96,   20,     -84,   15,    -64,   28,
+      -92,   9,     15,    121,  -12,   24,     -32,   74,    36,    98,
+      -9,    3,     -30,   36,   -42,   4},
+     /* IRC_Composite_C_R0195_T045_P000.wav */
+     {72,   -74,   77,    -79,   82,   -86,  91,    -96,   102,   -111,  121,
+      -134, 152,   -179,  228,   -635, 490,  -1252, -114,  -1202, 742,   -1779,
+      495,  -1563, 532,   -2895, 2675, 1167, 4718,  -4709, 4646,  -5559, -6673,
+      7608, -8298, 21201, 11442, 4596, 920,  5308,  -1818, -1353, -1082, -283,
+      -725, 2349,  -984,  -140,  614,  1696, 1859,  2003,  557,   2080,  1067,
+      416,  1112,  525,   38,    -87,  -851, -336,  38,    -375,  -495,  -291,
+      -403, -90,   -299,  -393,  -130, -647, -37,   -270,  -227,  -182,  -2,
+      -485, -21,   -380,  -221,  -179, -364, -244,  -343,  -247,  -161,  -213,
+      -443, -201,  -386,  -349,  -198, -453, -401,  -479,  -187,  -349,  -331,
+      -486, -40,   -343,  -132,  -248, -346, -150,  -185,  -498,  -200,  -280,
+      -512, -271,  -152,  -472,  -405, -421, -235,  -444,  -272,  -369,  -299,
+      -285, -209,  -483,  -192,  -140, -287, -241,  -120,  -328,  36,    -232,
+      -275, -345,  -26,   -488,  -78,  -319, -205,  -488,  22,    -390,  -294,
+      -391, -131,  -450,  -198,  -416, -347, -391,  -95,   -530,  -266,  -359,
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+      -35,  17,    -91,   57,    -100, 58,   -112,  -18,   -130,  73,    -160,
+      -25,  -148,  6,     -136,  45,   -217, 2,     -142,  79,    -180,  64,
+      -198, 81,    -156,  114,   -200, 98,   -162,  123,   -120,  152,   -170,
+      176,  -85,   130,   -107,  189,  -99,  158,   -113,  138,   -127,  161,
+      -140, 111,   -221},
+     /* IRC_Composite_C_R0195_T060_P000.wav */
+     {123,   -132,  142,  -153,  166,   -180,  196,   -215, 238,   -264, 296,
+      -338,  397,   -545, -26,   -1070, 548,   -1189, 312,  -1132, -540, -593,
+      703,   -1932, 23,   1834,  2821,  3650,  -4896, 2244, -8990, 3547, -3667,
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+      40,    -41,   25,   -17,   -14,   5,     9,     -67,  23,    -34,  57,
+      -46,   5,     3,    37,    -39,   6,     -36,   11,   -54,   -39,  -69,
+      -61,   -79,   -35,  -99,   -38,   -98,   -29,   -88,  -12,   -86,  -19,
+      -71,   -19,   -37,  -12,   -58,   7,     -41,   34,   -37,   47,   -22,
+      42,    -26,   97,   2,     68,    -13,   74,    7,    35,    -6,   34,
+      -1,    0,     -38},
+     /* IRC_Composite_C_R0195_T075_P000.wav */
+     {30,    -35,   41,    -47,  55,   -63,   72,    -84,   97,    -113,  134,
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+      6,     -41,   -3,    -62,  27,   -57,   -25,   -42,   29,    -39,   10,
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+      35,    -34,   72,    -19,  33,   -32,   74,    -59,   39,    -25,   53,
+      1,     10,    -3},
+     /* IRC_Composite_C_R0195_T090_P000.wav */
+     {-3,    3,     -4,    5,     -6,    7,     -9,    11,    -13,   17,
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+      -4,    67,    -73,   54,    -8,    88,    -67,   71,    21,    64,
+      -36,   123,   -7,    23,    -36,   115},
+     /* IRC_Composite_C_R0195_T105_P000.wav */
+     {67,    -63,   58,    -51,  43,   -33,   19,    -1,    -24,  61,    -121,
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+      6,     17,    11,    14,   30,   64,    44,    27,    -16,  79,    -9,
+      -11,   -60,   55},
+     /* IRC_Composite_C_R0195_T120_P000.wav */
+     {-76,   75,    -75,   74,   -72,  69,    -65,   59,    -49,   35,
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+      -45,   17,    -73,   100,  6,    64,    -7,    125,   -47,   94,
+      22,    33,    -55,   12,   -30,  7},
+     /* IRC_Composite_C_R0195_T135_P000.wav */
+     {-47,   46,    -46,   44,    -43,  40,   -37,   33,    -28,   21,    -12,
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+      -59,   33,    -26,   105,   4,    63,   13,    64,    -28,   24,    -1,
+      3,     -80,   -21},
+     /* IRC_Composite_C_R0195_T150_P000.wav */
+     {-5,    6,     -7,    7,    -8,   9,    -10,   11,   -12,   13,   -15,
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+      5,     -41,   -28,   -47,  -20,  -14,  -23,   -20,  -10,   -31,  -22,
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+      -16,   18,    1,     -3,   18,   72,   0,     21,   9,     42,   -23,
+      -7,    -40,   -42},
+     /* IRC_Composite_C_R0195_T165_P000.wav */
+     {-31,   31,    -31,  31,   -30,  30,   -30,  29,   -28,   27,   -25,  23,
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+      -59,   25,    -48,  -21},
+     /* IRC_Composite_C_R0195_T180_P000.wav */
+     {9,    -9,   9,     -10,  10,   -11,  11,    -12,  13,   -13,  14,    -15,
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+      -16,  -60,  -46,   -42,  -7,   11,   22,    53,   51,   32,   -13,   33,
+      28,   3,    -22,   -46},
+     /* IRC_Composite_C_R0195_T195_P000.wav */
+     {12,   -12,  12,   -12,  12,   -12,   12,    -12,  12,   -12,  12,   -12,
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+      23,   -6,   2,    -42},
+     /* IRC_Composite_C_R0195_T210_P000.wav */
+     {6,    -6,   6,    -6,   7,    -7,   7,    -7,   7,    -7,   7,    -7,
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+      24,   -9,   7,    -23},
+     /* IRC_Composite_C_R0195_T225_P000.wav */
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+      -39,  -27,  -55,  -31},
+     /* IRC_Composite_C_R0195_T240_P000.wav */
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+      -64,  -17,  -39,  -13},
+     /* IRC_Composite_C_R0195_T255_P000.wav */
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+      -78,  -67,  -59,  -65},
+     /* IRC_Composite_C_R0195_T270_P000.wav */
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+     /* IRC_Composite_C_R0195_T285_P000.wav */
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+      -78,  -65,  -103, -71,  -87,  -110, -101, -114, -93,  -117, -90,  -112,
+      -88,  -109, -72,  -82,  -69,  -68,  -63,  -65,  -90,  -69,  -67,  -77,
+      -62,  -56,  -47,  -91,  -59,  -73,  -34,  -101, -70,  -91,  -61,  -105,
+      -91,  -128, -154, -149, -128, -150, -140, -142, -93,  -111, -108, -78,
+      -62,  -77,  -59,  -62},
+     /* IRC_Composite_C_R0195_T300_P000.wav */
+     {4,    -4,   4,    -4,   4,    -4,   4,    -4,   4,    -5,   5,    -5,
+      5,    -5,   5,    -5,   5,    -6,   6,    -6,   6,    -6,   6,    -7,
+      7,    -7,   8,    -8,   8,    -9,   10,   -11,  13,   -16,  24,   -75,
+      -192, -243, -206, -121, -200, -413, -335, -275, -203, -85,  -38,  193,
+      -95,  -382, 283,  -596, -531, 1085, 630,  1024, 2620, 2194, 1518, 1499,
+      1392, 607,  112,  846,  1164, 950,  675,  1005, 1305, 1174, 1521, 1142,
+      1208, 859,  1074, 771,  735,  552,  498,  679,  274,  454,  160,  457,
+      127,  176,  172,  280,  101,  64,   67,   -27,  98,   11,   3,    -150,
+      -68,  -72,  -105, -163, -160, -139, -135, -141, -133, -136, -55,  -184,
+      -109, -200, -81,  -104, -78,  -213, -147, -100, -188, -136, -214, -162,
+      -281, -139, -265, -190, -228, -184, -320, -138, -205, -130, -238, -158,
+      -209, -100, -297, -175, -328, -233, -318, -199, -385, -256, -355, -254,
+      -336, -269, -310, -262, -286, -237, -272, -206, -279, -217, -262, -212,
+      -280, -260, -296, -269, -321, -249, -293, -297, -294, -263, -252, -259,
+      -248, -231, -189, -223, -204, -205, -214, -202, -172, -186, -170, -216,
+      -162, -160, -149, -167, -137, -119, -139, -138, -127, -91,  -90,  -111,
+      -123, -105, -94,  -88,  -92,  -101, -104, -94,  -87,  -104, -82,  -106,
+      -68,  -106, -75,  -113, -53,  -76,  -65,  -86,  -59,  -75,  -81,  -73,
+      -84,  -59,  -75,  -52,  -59,  -73,  -55,  -69,  -45,  -87,  -49,  -62,
+      -47,  -76,  -53,  -57,  -57,  -74,  -83,  -72,  -109, -94,  -135, -114,
+      -127, -112, -128, -125, -121, -104, -114, -94,  -97,  -102, -114, -98,
+      -73,  -61,  -46,  -72},
+     /* IRC_Composite_C_R0195_T315_P000.wav */
+     {-3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,
+      -3,   3,    -3,   3,    -3,   3,    -4,   4,    -4,   4,    -4,   4,
+      -5,   5,    -5,   6,    -7,   8,    -10,  14,   -29,  -234, -230, -266,
+      -204, -305, -247, -524, -359, -150, 55,   142,  71,   572,  -570, -1004,
+      861,  -803, -374, 3189, 1120, 2120, 3144, 2428, 636,  1026, 1269, 59,
+      -187, 571,  1369, 181,  332,  532,  1375, 1240, 1554, 1033, 1045, 866,
+      1172, 1026, 1022, 606,  720,  597,  671,  349,  376,  201,  259,  47,
+      222,  146,  93,   -124, 20,   -35,  -174, -23,  6,    -91,  -108, -18,
+      6,    38,   -2,   -118, 67,   -77,  -79,  -121, -96,  -206, -171, -74,
+      -193, -141, -167, -54,  -168, -65,  -180, -137, -281, -209, -164, -172,
+      -178, -158, -127, -188, -174, -11,  -152, -142, -222, -182, -348, -203,
+      -338, -287, -380, -316, -332, -319, -347, -297, -281, -364, -362, -314,
+      -304, -376, -347, -321, -343, -330, -367, -276, -306, -278, -290, -268,
+      -295, -267, -229, -264, -248, -290, -244, -263, -201, -223, -197, -193,
+      -189, -154, -159, -137, -178, -126, -217, -115, -163, -129, -166, -130,
+      -150, -147, -107, -147, -129, -143, -117, -141, -126, -115, -135, -99,
+      -146, -90,  -112, -81,  -119, -52,  -80,  -79,  -84,  -83,  -64,  -59,
+      -53,  -89,  -91,  -74,  -101, -29,  -121, -49,  -139, -64,  -94,  -23,
+      -57,  -36,  -29,  -38,  -50,  -50,  -47,  -30,  -53,  -56,  -81,  -58,
+      -97,  -62,  -69,  -56,  -82,  -74,  -103, -94,  -111, -122, -150, -117,
+      -148, -135, -117, -104, -87,  -95,  -77,  -107, -55,  -89,  -56,  -82,
+      -65,  -70,  -36,  -13},
+     /* IRC_Composite_C_R0195_T330_P000.wav */
+     {-15,   15,   -15,  15,   -15,  15,   -15,  16,   -16,   16,   -16,   16,
+      -16,   16,   -16,  16,   -16,  16,   -16,  16,   -16,   15,   -15,   14,
+      -13,   11,   -8,   5,    0,    -7,   12,   -293, -526,  -71,  -505,  -401,
+      -1003, -83,  -138, 277,  -121, 450,  638,  -529, -2538, 1974, -1021, -928,
+      6018,  1862, 2117, 4170, 3177, -540, 80,   773,  465,   -382, 760,   707,
+      287,   -96,  895,  1260, 1490, 749,  709,  1138, 1758,  1405, 855,   490,
+      661,   833,  888,  382,  366,  310,  491,  203,  204,   155,  246,   122,
+      -32,   -122, -37,  50,   94,   -114, -242, -173, 94,    -97,  -233,  -239,
+      44,    3,    91,   -64,  -78,  -19,  148,  9,    2,     -196, 62,    -119,
+      -154,  -277, 128,  -102, -103, -182, -189, -136, -49,   51,   -260,  -285,
+      -17,   -46,  -344, -260, -264, -310, -481, -356, -385,  -299, -442,  -338,
+      -388,  -433, -413, -352, -281, -444, -379, -419, -361,  -361, -316,  -320,
+      -407,  -371, -354, -283, -325, -263, -281, -264, -300,  -242, -200,  -218,
+      -231,  -208, -283, -185, -218, -137, -254, -173, -210,  -124, -178,  -189,
+      -155,  -197, -150, -148, -83,  -183, -134, -157, -104,  -154, -134,  -133,
+      -118,  -172, -161, -120, -119, -156, -145, -96,  -143,  -172, -117,  -71,
+      -107,  -120, -113, -53,  -111, -85,  -65,  -51,  -97,   -63,  -15,   -77,
+      -94,   -67,  -18,  -45,  -126, -60,  -101, -21,  -115,  3,    -114,  -45,
+      -90,   -5,   -69,  -55,  -89,  -42,  -99,  -38,  -100,  -24,  -95,   -21,
+      -116,  -37,  -113, -13,  -85,  -64,  -143, -57,  -122,  -61,  -126,  -85,
+      -123,  -78,  -94,  -71,  -113, -55,  -72,  -37,  -93,   -41,  -42,   -10,
+      -34,   -37,  -13,  -34},
+     /* IRC_Composite_C_R0195_T345_P000.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -1,   1,     -1,   1,     -1,
+      1,    -1,   1,    -1,   1,    -1,   1,    -1,    1,    -1,    1,
+      -1,   1,    -2,   2,    -3,   -196, -727, -30,   -506, -136,  -1125,
+      -612, -692, -135, 283,  619,  802,  -51,  -2221, 1398, -964,  -5308,
+      8059, 961,  2013, 8066, 4451, -858, 1438, 1808,  -955, -2183, 475,
+      1387, 742,  458,  140,  184,  1030, 1768, 1316,  965,  1001,  1155,
+      1147, 1222, 1301, 1124, 461,  289,  297,  592,   383,  273,   -220,
+      -259, -53,  323,  264,  -32,  -200, 42,   191,   421,  77,    -195,
+      -257, 18,   -154, -38,  -140, -135, -290, -47,   107,  49,    -29,
+      -98,  -94,  -50,  49,   264,  36,   153,  -148,  86,   -24,   287,
+      -156, 101,  -86,  125,  -186, -182, -278, -236,  -501, -636,  -484,
+      -401, -330, -428, -463, -554, -283, -366, -318,  -494, -441,  -375,
+      -318, -358, -465, -416, -438, -337, -400, -344,  -393, -247,  -308,
+      -313, -356, -181, -229, -204, -374, -214, -320,  -200, -307,  -179,
+      -339, -189, -252, -152, -246, -143, -210, -166,  -196, -69,   -139,
+      -172, -216, -103, -73,  -127, -214, -116, -118,  -96,  -247,  -135,
+      -187, -78,  -264, -166, -235, -95,  -173, -142,  -167, -169,  -129,
+      -117, -114, -125, -125, -103, -137, -47,  -110,  -26,  -121,  -21,
+      -72,  -15,  -71,  -68,  -34,  -53,  -38,  -72,   -96,  -96,   -90,
+      -11,  -126, -33,  -166, -22,  -92,  18,   -75,   -35,  -69,   -60,
+      -67,  -82,  -72,  -61,  -96,  -68,  -103, -26,   -100, -19,   -108,
+      0,    -110, -34,  -106, -39,  -54,  -75,  -76,   -83,  -35,   -42,
+      -69,  -51,  -59,  -38,  -55,  19,   -49,  -3,    -43,  27,    -14,
+      -5,   -46,  -24}};
+
+const int16_t irc_composite_c_r0195_p015[][256] =
+    {/* IRC_Composite_C_R0195_T000_P015.wav */
+     {4,    -4,    4,    -4,    4,     -4,    4,     -4,    4,     -4,   4,
+      -5,   5,     -5,   4,     -4,    4,     -4,    3,     -2,    1,    2,
+      -5,   -101,  -665, -424,  -897,  -170,  -507,  -460,  -1001, -828, -356,
+      47,   474,   980,  404,   2103,  -3700, -5968, 7765,  -9133, 9741, 10867,
+      71,   6925,  3456, -1455, -2458, 2718,  -170,  -1201, -1751, 1809, 507,
+      632,  -1165, 1945, 1684,  1705,  -450,  1152,  360,   1527,  269,  952,
+      644,  931,   727,  1576,  725,   835,   741,   915,   186,   162,  327,
+      384,  20,    24,   -311,  60,    225,   484,   -123,  -28,   -210, 118,
+      15,   76,    -335, -153,  -249,  49,    -120,  24,    -200,  -169, -213,
+      -175, -235,  -158, -280,  -399,  -410,  -304,  -104,  -355,  -319, -311,
+      -79,  -366,  -75,  -79,   -120,  -487,  147,   -42,   -198,  -175, 135,
+      -242, 55,    233,  123,   -314,  -58,   -179,  -96,   -352,  -26,  7,
+      11,   -105,  -129, 125,   -110,  -293,  -276,  -461,  -507,  -406, -422,
+      -497, -481,  -446, -459,  -325,  -336,  -443,  -420,  -320,  -391, -360,
+      -309, -407,  -375, -288,  -289,  -385,  -315,  -272,  -292,  -271, -256,
+      -318, -173,  -220, -185,  -329,  -142,  -239,  -76,   -219,  -117, -277,
+      -107, -204,  -117, -233,  -199,  -220,  -177,  -238,  -171,  -170, -187,
+      -285, -154,  -168, -145,  -192,  -131,  -239,  -194,  -170,  -109, -205,
+      -155, -164,  -163, -187,  -126,  -85,   -138,  -195,  -140,  -189, -84,
+      -134, -22,   -177, -51,   -128,  -26,   -105,  26,    -144,  -65,  -123,
+      -28,  -136,  19,   -69,   -43,   -112,  40,    -43,   59,    -67,  32,
+      -35,  97,    -21,  99,    -27,   90,    23,    141,   21,    38,   39,
+      61,   12,    10,   -1,    37,    -3,    7,     2,     41,    -19,  -12,
+      -12,  16,    -53},
+     /* IRC_Composite_C_R0195_T015_P015.wav */
+     {100,  -101, 102,   -102, 102,    -102,  102,   -102,  101,   -99,  96,
+      -93,  88,   -81,   71,   -58,    37,    -6,    -46,   154,   -587, -280,
+      -52,  -712, -530,  -842, -228,   -637,  -217,  -1535, -463,  274,  2688,
+      1298, -390, -2760, 4349, -16532, 13572, -2117, 2580,  22789, -850, 559,
+      1346, 2618, -4202, 397,  316,    686,   -1654, 1356,  -848,  1484, 164,
+      1873, 376,  1720,  39,   1069,   309,   1623,  748,   807,   488,  1192,
+      547,  1364, 679,   594,  48,     334,   -179,  362,   98,    -149, -587,
+      -275, -81,  371,   -430, -372,   -369,  412,   -126,  -39,   -294, 169,
+      -117, 61,   -209,  -100, -271,   -40,   -262,  -244,  -406,  12,   -243,
+      -253, -484, 54,    -243, -283,   -575,  -138,  -358,  -262,  -307, -61,
+      -567, -206, 25,    51,   -696,   -10,   -132,  -245,  -388,  187,  -132,
+      -194, -316, -92,   -71,  -291,   -374,  27,    -295,  -84,   -4,   145,
+      -576, 122,  -217,  -153, -724,   53,    -337,  -126,  -502,  -305, -401,
+      -138, -372, -296,  -502, -318,   -375,  -140,  -645,  -283,  -375, -217,
+      -529, -172, -316,  -324, -287,   -239,  -309,  -305,  -230,  -228, -310,
+      -332, -289, -168,  -302, -286,   -241,  -197,  -266,  -181,  -156, -260,
+      -272, -185, -148,  -225, -221,   -239,  -178,  -223,  -142,  -203, -226,
+      -260, -124, -148,  -200, -259,   -124,  -203,  -182,  -207,  -78,  -186,
+      -163, -136, -74,   -179, -123,   -45,   -87,   -180,  -103,  -28,  -117,
+      -135, -64,  -29,   -148, -90,    -13,   -28,   -111,  -40,   7,    -42,
+      -98,  -26,  -4,    -57,  -22,    22,    -38,   -72,   76,    67,   1,
+      -21,  80,   49,    39,   63,     66,    26,    23,    62,    97,   29,
+      39,   49,   28,    -1,   52,     74,    -6,    -4,    19,    15,   -15,
+      -12,  17,   -50},
+     /* IRC_Composite_C_R0195_T030_P015.wav */
+     {-101,  102,    -103,  105,   -105,  106,   -106,  106,  -104, 102,  -97,
+      90,    -79,    62,    -35,   -12,   109,   -431,  -649, 311,  -951, 117,
+      -1193, 10,     -1439, 943,   -1996, 57,    -1866, 3892, -160, 3817, -4940,
+      7695,  -14389, 320,   6811,  -6312, 29122, 1548,  2820, 2754, 2735, -5703,
+      -20,   838,    313,   -2387, 2394,  -1371, 1731,  262,  1937, 34,   1456,
+      -294,  1713,   221,   997,   660,   1535,  549,   1179, 928,  928,  293,
+      321,   -76,    273,   -164,  -356,  -622,  24,    -278, -26,  -520, -116,
+      -436,  -61,    -412,  -21,   -436,  -263,  -534,  -25,  -24,  127,  -328,
+      -77,   -189,   107,   -200,  -313,  -487,  -278,  -245, -413, -269, -216,
+      -100,  -434,   -149,  -238,  -270,  -527,  -94,   -144, -244, -529, -94,
+      -120,  -125,   -544,  -205,  -477,  -214,  -375,  -52,  -404, -184, -361,
+      -14,   -189,   -53,   -346,  -89,   -276,  -127,  -233, -126, -417, -169,
+      -225,  -263,   -470,  -227,  -238,  -276,  -329,  -339, -304, -226, -209,
+      -212,  -255,   -261,  -275,  -96,   -168,  -289,  -298, -134, -296, -334,
+      -291,  -248,   -272,  -268,  -362,  -278,  -286,  -108, -360, -215, -330,
+      -76,   -394,   -179,  -365,  -104,  -449,  -206,  -420, -128, -409, -167,
+      -434,  -175,   -416,  -105,  -318,  -125,  -408,  -157, -270, -45,  -277,
+      -160,  -326,   -56,   -220,  -114,  -280,  -69,   -199, -100, -242, -24,
+      -143,  -39,    -214,  3,     -104,  20,    -184,  20,   -140, -7,   -183,
+      31,    -135,   -21,   -164,  13,    -128,  42,    -188, 49,   -113, 71,
+      -189,  90,     -97,   102,   -87,   84,    -61,   147,  -63,  149,  -94,
+      170,   -108,   183,   -108,  208,   -150,  179,   -163, 250,  -98,  215,
+      -137,  235,    -107,  214,   -135,  246,   -126,  201,  -171, 186,  -149,
+      135,   -194,   121},
+     /* IRC_Composite_C_R0195_T045_P015.wav */
+     {-146,  153,   -161,  170,   -179,  189,   -200, 212,  -224,  238,   -252,
+      266,   -278,  280,   -241,  -262,  -1208, 369,  -877, 618,   -1865, 344,
+      -1624, 1098,  -2418, 1166,  -2204, 3338,  -287, 6351, -5670, 4490,  -9471,
+      -5595, 10415, -3658, 26422, 6163,  571,   640,  3020, -3458, 345,   262,
+      -17,   -2379, 1504,  -915,  2155,  96,    1778, -36,  1408,  800,   1533,
+      117,   618,   355,   1940,  474,   1443,  116,  436,  -13,   320,   -248,
+      -589,  -590,  -422,  -164,  -365,  -343,  -251, -474, 20,    -343,  -59,
+      -619,  -421,  -460,  -72,   -443,  -399,  -435, -238, -311,  -325,  -256,
+      -210,  -285,  -282,  -222,  -283,  -212,  -374, -178, -386,  -213,  -343,
+      -35,   -317,  -276,  -390,  -79,   -244,  -300, -445, -222,  -296,  -233,
+      -458,  -263,  -403,  -259,  -462,  -188,  -423, -283, -371,  -78,   -225,
+      -208,  -380,  -203,  -156,  -140,  -307,  -202, -208, -86,   -293,  -179,
+      -233,  -185,  -390,  -305,  -381,  -170,  -416, -344, -426,  -229,  -331,
+      -201,  -370,  -183,  -273,  -88,   -257,  -116, -206, -60,   -298,  -72,
+      -233,  -115,  -304,  -131,  -336,  -187,  -271, -44,  -375,  -190,  -355,
+      -35,   -321,  -189,  -400,  -136,  -365,  -198, -383, -200,  -395,  -244,
+      -401,  -188,  -398,  -184,  -393,  -179,  -365, -150, -314,  -118,  -327,
+      -118,  -291,  -73,   -272,  -87,   -247,  -52,  -258, -27,   -226,  25,
+      -210,  8,     -202,  51,    -136,  62,    -162, 35,   -135,  61,    -156,
+      -12,   -167,  55,    -165,  15,    -174,  47,   -131, 28,    -125,  76,
+      -91,   69,    -71,   126,   -60,   104,   -40,  141,  -51,   117,   -33,
+      141,   -58,   103,   -38,   158,   -48,   95,   -52,  149,   -45,   86,
+      -47,   120,   -68,   88,    -39,   116,   -45,  74,   -35,   89,    -68,
+      62,    -90,   53},
+     /* IRC_Composite_C_R0195_T060_P015.wav */
+     {29,    -34,   39,    -45,  52,    -59,  69,    -80,  93,     -110,  131,
+      -160,  205,   -308,  -459, -920,  -171, 388,   -674, -719,   -1064, 350,
+      -1149, 552,   -1891, 2109, -28,   5773, -3032, 5413, -11840, 194,   -1388,
+      1646,  23561, 8535,  2547, 1107,  -66,  257,   913,  517,    -131,  -1162,
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+      -301,  -272,  -246,  -239, -245,  -226, -236,  -207, -220,   -191,  -251,
+      -189,  -226,  -188,  -154, -195,  -171, -163,  -122, -121,   -97,   -111,
+      -91,   -108,  -20,   -120, -59,   -33,  -136,  -42,  -55,    -62,   -49,
+      -97,   -100,  16,    -97,  -13,   -104, 7,     -74,  -20,    -54,   27,
+      -6,    45,    -12,   56,   35,    24,   86,    33,   48,     24,    68,
+      72,    -3,    50,    22,   52,    12,   43,    -32,  109,    -68,   106,
+      -66,   49,    -61,   102,  -74,   44,   -72,   28,   -60,    21,    -71,
+      -4,    -76,   16},
+     /* IRC_Composite_C_R0195_T075_P015.wav */
+     {19,    -16,  12,   -7,    2,     4,     -11,  18,     -27,   36,    -47,
+      59,    -68,  37,   -553,  36,    -916,  -89,  -13,    -916,  -389,  -1224,
+      572,   -284, 1453, 853,   1354,  3254,  1573, -10498, -1005, -5881, 20609,
+      10333, 4130, 9878, -3085, -1702, 1001,  5191, 773,    -2104, -1269, -41,
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+      -914,  -144, -892, 309,   -602,  60,    -603, -112,   -520,  -150,  -750,
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+      -222,  -302, -215, -314,  -150,  -291,  -151, -311,   -154,  -281,  -177,
+      -260,  -179, -190, -177,  -222,  -159,  -209, -215,   -215,  -185,  -191,
+      -224,  -214, -221, -182,  -209,  -269,  -260, -254,   -234,  -284,  -241,
+      -293,  -201, -269, -218,  -264,  -188,  -203, -199,   -218,  -207,  -118,
+      -151,  -146, -184, -126,  -92,   -92,   -129, -108,   -109,  -42,   -120,
+      -57,   -144, -45,  -102,  -23,   -164,  -63,  -98,    -36,   -106,  -81,
+      -3,    -74,  -55,  -79,   -49,   -60,   -59,  -60,    -31,   -36,   -35,
+      57,    -37,  99,   -7,    135,   -26,   115,  14,     154,   -6,    78,
+      28,    119,  -3,   53,    -48,   80,    -38,  55,     -56,   13,    -65,
+      74,    -45,  19,   -79,   50,    -39,   24,   -95,    40,    -41,   15,
+      -61,   55,   -129},
+     /* IRC_Composite_C_R0195_T090_P015.wav */
+     {106,   -108,  111,  -113, 116,  -119,  121,  -123,   125,   -125,  121,
+      -102,  -150,  -386, -21,  -846, -117,  203,  -762,   -759,  -425,  -20,
+      26,    535,   183,  3678, 866,  180,   877,  -12284, 4742,  -888,  21444,
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+      -265,  -195,  -243, -171, -184, -212,  -200, -212,   -156,  -173,  -149,
+      -232,  -145,  -162, -100, -147, -119,  -102, -57,    -53,   -87,   -18,
+      -36,   -11,   -87,  -46,  -46,  17,    -89,  -82,    -57,   6,     -100,
+      -61,   -101,  -38,  -60,  -46,  -108,  -40,  -41,    19,    -104,  -21,
+      -14,   77,    -24,  51,   22,   136,   25,   103,    19,    102,   3,
+      92,    -42,   26,   -51,  25,   -38,   -15,  -65,    -12,   -35,   -8,
+      28,    24,    -31,  -1,   36,   92,    2,    6,      8,     52,    -33,
+      -7,    -25,   -27},
+     /* IRC_Composite_C_R0195_T105_P015.wav */
+     {16,    -19,  23,    -28,   34,   -40,   48,   -57,   68,    -82,   100,
+      -121,  33,   -823,  199,   -561, -96,   -481, 741,   -1752, -67,   -480,
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+      32,    -190, 61,    -152,  90,   -145,  48,   -122,  71,    -96,   29,
+      -121,  6,    -57,   66,    -80,  40,    -49,  59,    -112,  -8,    -129,
+      54,    -18,  76,    -21,   97,   37,    171,  23,    59,    -61,   75,
+      -37,   21,   -127,  1,     -154, 68,    -112, -12,   -180,  86,    -58,
+      91,    -120, 128,   -28,   129,  -100,  167,  -17,   106,   -84,   94,
+      -49,   76,   -37},
+     /* IRC_Composite_C_R0195_T120_P015.wav */
+     {39,    -39,  39,   -39,   39,    -38,  38,   -37,   35,    -32,   27,
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+      16,    -33,  104,  12,    59,    -55,  121,  -5,    63,    -116,  114,
+      -30,   115,  -85},
+     /* IRC_Composite_C_R0195_T135_P015.wav */
+     {15,    -17,  19,   -21,  24,   -28,  32,   -37,  43,    -50,   60,
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+      -18,   -51,  62,   -39,  31,   -46,  59,   -59,  67,    -57,   112,
+      -72,   62,   -22},
+     /* IRC_Composite_C_R0195_T150_P015.wav */
+     {22,    -23,   24,    -24,  25,   -26,   27,   -27,  28,   -28,  28,
+      -28,   26,    -24,   19,   -9,   -13,   134,  -205, 5,    10,   -146,
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+      -104,  -88,   -98,   -82,  -75,  -58,   -53,  -46,  -85,  -53,  -56,
+      -1,    -14,   17,    -80,  -58,  -41,   -57,  -6,   -70,  6,    -78,
+      37,    -14,   58,    10,   69,   35,    20,   45,   42,   27,   3,
+      3,     -29,   -5,    -10,  26,   -54,   -21,  -21,  39,   -58,  -58,
+      -23,   10,    -16,   -35,  6,    -22,   2,    -8,   54,   -13,  7,
+      -2,    51,    6},
+     /* IRC_Composite_C_R0195_T165_P015.wav */
+     {20,    -21,  21,   -22,  23,   -23,  24,   -25,  26,   -26,  27,   -28,
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+      57,    -9,   40,   -55,  25,   -77,  17,   -96,  25,   -64,  21,   -101,
+      -1,    4,    58,   -21,  25,   24,   70,   3,    30,   9,    36,   -16,
+      6,     -21,  -39,  -15},
+     /* IRC_Composite_C_R0195_T180_P015.wav */
+     {-9,   9,     -9,    9,    -10,  10,   -10,  10,   -11,  11,   -11,  11,
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+      -106, -105,  -40,   -41,  29,   15,   57,   54,   103,  128,  65,   65,
+      35,   45,    -4,    -23,  -56,  -53,  -39,  -44,  -11,  -66,  11,   -23,
+      53,   -3,    44,    26,   45,   23,   36,   66,   32,   13,   3,    39,
+      11,   -14,   8,     -12},
+     /* IRC_Composite_C_R0195_T195_P015.wav */
+     {3,    -3,   4,    -4,   4,    -5,    5,     -5,   6,    -6,   7,    -7,
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+      23,   6,    15,   15,   42,   21,    45,    37,   32,   17,   30,   46,
+      26,   13,   23,   -19},
+     /* IRC_Composite_C_R0195_T210_P015.wav */
+     {5,    -5,   6,    -6,   6,    -6,   6,    -6,   6,    -6,   7,    -7,
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+      30,   -5,   10,   -9,   35,   17,   55,   16,   50,   34,   50,   43,
+      21,   55,   18,   41},
+     /* IRC_Composite_C_R0195_T225_P015.wav */
+     {3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,
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+      62,   28,   60,   13,   34,   6,    35,   -8,   13,   -2,   6,    11,
+      8,    6,    -3,   12},
+     /* IRC_Composite_C_R0195_T240_P015.wav */
+     {0,    0,    0,    0,    1,    -1,   1,    -1,   1,    -1,   1,    -1,
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+      26,   16,   20,   -7,   0,    -5,   22,   12,   4,    3,    18,   14,
+      9,    -1,   -12,  -43},
+     /* IRC_Composite_C_R0195_T255_P015.wav */
+     {1,    -1,   2,    -2,   2,    -2,   2,    -2,   2,    -2,   2,    -2,
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+      29,   13,   32,   3,    26,   10,   21,   -16,  -7,   -1,   7,    2,
+      -5,   -3,   -3,   -1},
+     /* IRC_Composite_C_R0195_T270_P015.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,
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+      40,   43,   14,   53,   3,    16,   -3,   7,    12,   -13,  16,   -2,
+      28,   6,    37,   18},
+     /* IRC_Composite_C_R0195_T285_P015.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
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+      28,   54,   11,   12,   -13,  29,   -17,  4,    -27,  25,   -15,  29,
+      -5,   31,   21,   23},
+     /* IRC_Composite_C_R0195_T300_P015.wav */
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+      -184, -171, -129, -130, -154, -144, -145, -167, -132, -161, -149, -160,
+      -132, -127, -113, -104, -89,  -73,  -95,  -76,  -83,  -55,  -53,  -22,
+      -5,   -13,  -3,   5,    22,   0,    15,   5,    -11,  -15,  15,   -13,
+      -5,   -8,   7,    -15,  26,   37,   33,   12,   52,   50,   45,   34,
+      80,   35,   79,   31},
+     /* IRC_Composite_C_R0195_T315_P015.wav */
+     {-3,    3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,
+      -3,    3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,
+      -3,    3,    -3,   3,    -3,   2,    -2,   2,    -3,   -145, -419, -273,
+      -234,  -320, -494, -368, -332, -137, 23,   435,  141,  -274, 189,  -707,
+      -1152, 1545, 415,  1656, 4094, 1604, 1580, 2053, 473,  -525, 351,  1046,
+      431,   4,    613,  555,  843,  494,  1071, 1048, 1375, 1139, 994,  1431,
+      1283,  1617, 838,  1011, 491,  1146, 716,  701,  358,  388,  443,  310,
+      457,   32,   -5,   -93,  169,  269,  -27,  91,   -165, 86,   -189, 135,
+      -120,  -103, -270, -74,  -56,  -217, -55,  -238, -119, -288, -120, -263,
+      -264,  -223, -279, -179, -302, -173, -211, -262, -189, -255, -177, -382,
+      -172,  -263, -206, -302, -155, -222, -165, -156, -91,  -226, -129, -208,
+      -104,  -116, -7,   -182, -57,  -43,  -59,  -165, -192, -254, -334, -329,
+      -222,  -307, -218, -299, -183, -230, -153, -307, -262, -341, -352, -360,
+      -306,  -320, -349, -329, -284, -313, -262, -287, -276, -348, -332, -282,
+      -281,  -235, -311, -213, -232, -205, -232, -209, -189, -252, -237, -224,
+      -214,  -199, -229, -157, -205, -196, -185, -173, -156, -212, -157, -188,
+      -156,  -172, -131, -151, -175, -157, -139, -172, -126, -151, -157, -177,
+      -123,  -115, -119, -116, -103, -151, -157, -157, -103, -111, -83,  -143,
+      -134,  -106, -78,  -57,  -83,  -76,  -143, -96,  -110, -30,  -81,  -37,
+      -72,   -10,  -21,  -9,   18,   1,    -1,   -42,  21,   2,    14,   26,
+      52,    25,   26,   34,   53,   32,   44,   40,   74,   42,   66,   49,
+      90,    62,   69,   50},
+     /* IRC_Composite_C_R0195_T330_P015.wav */
+     {1,    -1,   1,    0,    0,    0,    0,    0,     0,    0,     0,    1,
+      -1,   1,    -2,   2,    -2,   3,    -3,   4,     -5,   6,     -7,   9,
+      -11,  14,   -18,  25,   -38,  72,   -494, -377,  -163, -458,  -490, -5,
+      -649, -505, -448, 737,  42,   720,  -5,   -1466, 655,  -1957, -272, 3638,
+      1401, 3790, 5414, 320,  1005, 1351, 716,  -1658, 736,  755,   629,  -241,
+      367,  775,  655,  1313, 522,  711,  607,  1017,  814,  1153,  1014, 727,
+      1072, 1193, 1369, 911,  877,  665,  747,  788,   602,  389,   -2,   301,
+      79,   299,  235,  78,   -171, -171, -12,  -204,  -96,  -124,  -285, -390,
+      -109, 136,  -127, -79,  -244, -125, -236, -21,   -257, -313,  -264, -266,
+      -248, -188, -112, -345, -304, -50,  -265, -235,  -235, -38,   -345, -176,
+      -119, -52,  -156, -49,  -98,  -184, -269, -46,   -139, -85,   -206, -15,
+      -64,  -75,  -25,  28,   -69,  -306, -216, -145,  -321, -127,  -396, -359,
+      -364, -161, -402, -370, -313, -329, -419, -337,  -409, -317,  -386, -319,
+      -505, -396, -337, -244, -368, -365, -380, -286,  -289, -230,  -330, -297,
+      -331, -175, -233, -184, -243, -195, -204, -144,  -176, -187,  -238, -158,
+      -239, -170, -186, -124, -214, -122, -133, -166,  -196, -122,  -151, -204,
+      -200, -147, -209, -159, -148, -140, -151, -108,  -106, -148,  -137, -107,
+      -109, -157, -138, -152, -159, -152, -143, -132,  -169, -84,   -121, -99,
+      -110, -53,  -57,  -49,  -65,  -56,  -59,  -72,   -39,  -80,   -76,  -50,
+      -24,  -78,  -31,  -4,   10,   -54,  43,   12,    18,   43,    54,   13,
+      -6,   86,   38,   22,   50,   62,   50,   38,    99,   31,    62,   60,
+      58,   29,   11,   38},
+     /* IRC_Composite_C_R0195_T345_P015.wav */
+     {-11,   11,   -12,  12,   -13,  13,   -14,  15,    -16,   16,    -17,
+      18,    -19,  20,   -22,  23,   -24,  26,   -27,   29,    -32,   34,
+      -38,   43,   -52,  76,   -328, -363, -214, -611,  -509,  -335,  -643,
+      -447,  -869, 31,   57,   1040, 355,  -374, 1188,  -2297, -4332, 5821,
+      -1811, 4636, 8422, 1800, 2573, 2446, 333,  -2543, 348,   441,   1038,
+      -1221, -120, 503,  1705, 557,  994,  621,  1108,  529,   1387,  553,
+      713,   268,  987,  1168, 1373, 742,  1063, 633,   1079,  800,   733,
+      478,   430,  -8,   448,  243,  389,  -34,  240,   -156,  40,    -68,
+      208,   -262, -163, -284, -85,  -119, 4,    -292,  -169,  -173,  -9,
+      -177,  -185, -284, -261, -239, -151, -333, -444,  -278,  -212,  -269,
+      -320,  -207, -353, -167, -122, 5,    -101, -146,  -236,  26,    158,
+      -193,  -6,   31,   -110, -13,  194,  -336, -291,  166,   -187,  -339,
+      71,    83,   -256, -36,  64,   -291, -253, -258,  -423,  -483,  -404,
+      -542,  -450, -398, -404, -517, -415, -395, -300,  -370,  -455,  -406,
+      -370,  -334, -365, -318, -452, -367, -267, -228,  -288,  -345,  -283,
+      -288,  -195, -237, -211, -198, -242, -243, -148,  -120,  -215,  -182,
+      -175,  -171, -178, -118, -143, -239, -153, -169,  -160,  -247,  -180,
+      -208,  -203, -145, -188, -199, -188, -106, -162,  -137,  -157,  -131,
+      -109,  -183, -154, -130, -109, -197, -150, -64,   -168,  -155,  -207,
+      -78,   -176, 15,   -176, -113, -192, -34,  -58,   -13,   -144,  -90,
+      -50,   -81,  -89,  24,   -35,  -100, -56,  -23,   -9,    29,    37,
+      -35,   -51,  58,   55,   55,   -8,   24,   51,    71,    28,    39,
+      46,    49,   51,   27,   -11,  48,   41,   22,    -3,    23,    -14,
+      20,    -19,  -13}};
+
+const int16_t irc_composite_c_r0195_p030[][256] =
+    {/* IRC_Composite_C_R0195_T000_P030.wav */
+     {-54,   55,   -55,   56,   -57,   57,    -58,  58,    -58,   59,   -58,
+      58,    -58,  56,    -55,  52,    -48,   42,   -34,   21,    1,    -38,
+      103,   -854, -293,  -223, -413,  -662,  -699, -525,  -649,  -153, -821,
+      -339,  218,  2022,  2054, -2330, -2792, 1747, -9777, 10764, 1443, 5425,
+      12121, 258,  -1458, 190,  2417,  73,    -781, 460,   -747,  -560, 1297,
+      150,   875,  435,   1456, 292,   1300,  -209, 948,   616,   962,  -100,
+      649,   571,  794,   577,  979,   597,   904,  611,   978,   804,  976,
+      113,   890,  241,   591,  176,   615,   -381, 92,    -14,   208,  -196,
+      144,   -25,  -87,   -290, -51,   -201,  -11,  -376,  13,    -401, 6,
+      -326,  16,   -348,  -73,  -269,  -196,  -276, -77,   -266,  -298, -332,
+      -42,   -326, -208,  -519, -147,  -423,  -93,  -432,  -257,  -451, -109,
+      -270,  -192, -375,  -151, -315,  -188,  -206, -37,   -459,  -168, -241,
+      -10,   -278, -73,   -257, 87,    -155,  -18,  -234,  -126,  -305, -82,
+      -294,  -405, -294,  -172, -409,  -47,   -89,  -22,   -89,   128,  -65,
+      30,    48,   -38,   -108, -174,  -371,  -254, -219,  -255,  -366, -375,
+      -485,  -192, -333,  -204, -374,  -171,  -415, -254,  -437,  -213, -353,
+      -257,  -320, -265,  -229, -230,  -199,  -344, -342,  -208,  -291, -328,
+      -415,  -224, -366,  -172, -311,  -156,  -289, -178,  -259,  -84,  -212,
+      -136,  -195, -136,  -204, -23,   -192,  -135, -219,  -38,   -190, -41,
+      -200,  -34,  -195,  -41,  -117,  -47,   -160, -96,   -111,  -97,  -131,
+      -73,   -186, -78,   -137, -70,   -202,  -93,  -119,  -55,   -149, -67,
+      -139,  -48,  -119,  -34,  -122,  -39,   -119, -31,   -62,   -1,   -61,
+      -28,   -48,  31,    6,    17,    -8,    75,   29,    40,    45,   65,
+      21,    45,   14},
+     /* IRC_Composite_C_R0195_T015_P030.wav */
+     {45,    -49,   52,   -57,  61,    -66,   71,   -77,    83,   -90,
+      98,    -107,  116,  -126, 138,   -150,  164,  -177,   188,  -179,
+      -73,   -966,  -102, -989, 560,   -1173, -327, -1684,  597,  -1115,
+      259,   -1628, 2183, 1183, 3440,  -5302, 3131, -10502, -529, 12738,
+      -6827, 21598, 5258, -7,   -3187, 1963,  495,  327,    502,  -665,
+      -1769, 1964,  -371, 1009, 596,   896,   151,  1819,   -137, 401,
+      915,   974,   249,  114,  559,   962,   751,  584,    371,  576,
+      838,   1123,  906,  351,  -23,   332,   521,  427,    -138, -265,
+      -100,  55,    -54,  59,   -205,  -261,  -77,  2,      -107, -229,
+      -219,  -403,  -235, -134, -143,  -470,  -234, -177,   -61,  -236,
+      -83,   -258,  -197, -192, -101,  -300,  -331, -254,   -216, -242,
+      -271,  -289,  -310, -261, -262,  -333,  -321, -293,   -270, -333,
+      -255,  -243,  -275, -316, -256,  -252,  -176, -243,   -182, -212,
+      -172,  -289,  -118, -228, -303,  -307,  -77,  -225,   -298, -230,
+      -122,  -403,  -282, -152, -387,  -451,  8,    13,     -160, -49,
+      124,   -112,  -104, 87,   -45,   -358,  -217, -135,   -206, -167,
+      -172,  -229,  -317, -197, -162,  -307,  -272, -363,   -290, -325,
+      -168,  -360,  -289, -359, -212,  -286,  -239, -278,   -241, -270,
+      -234,  -333,  -266, -308, -234,  -344,  -218, -357,   -274, -331,
+      -208,  -244,  -205, -284, -219,  -226,  -149, -177,   -181, -201,
+      -159,  -198,  -109, -172, -113,  -218,  -95,  -145,   -67,  -151,
+      -73,   -148,  -84,  -129, -52,   -118,  -51,  -142,   -54,  -113,
+      -29,   -150,  -66,  -118, -44,   -150,  -8,   -105,   -59,  -133,
+      -10,   -103,  -51,  -102, -26,   -114,  2,    -62,    -14,  -78,
+      24,    -62,   35,   -36,  28,    -33,   74,   -22,    57,   13,
+      101,   -23,   94,   36,   50,    32},
+     /* IRC_Composite_C_R0195_T030_P030.wav */
+     {22,   -22,   22,    -22,   22,     -22,   21,    -21,  20,   -19,  18,
+      -16,  13,    -9,    3,     6,      -23,   62,    -927, -68,  -994, 540,
+      -922, -246,  -1369, 328,   -1205,  -194,  -1442, 1439, 570,  2758, -885,
+      3393, -4925, -8851, 7444,  -11725, 26992, 7407,  2376, 4575, -342, -2312,
+      -724, 2866,  -938,  -1366, 86,     -585,  1150,  1637, 627,  500,  364,
+      713,  726,   1042,  -231,  616,    243,   1337,  315,  722,  212,  833,
+      509,  1128,  741,   763,   -23,    706,   -315,  392,  -241, 100,  -771,
+      -188, -212,  298,   -422,  -413,   -205,  37,    -281, -130, -523, -88,
+      -503, -112,  -573,  -211,  -454,   -80,   -504,  -132, -294, -80,  -239,
+      -22,  -204,  -163,  -320,  -82,    -296,  -297,  -476, -149, -313, -195,
+      -414, -189,  -328,  -173,  -333,   -197,  -351,  -236, -353, -212, -335,
+      -289, -358,  -212,  -232,  -235,   -269,  -127,  -247, -255, -385, -167,
+      -387, -267,  -392,  -201,  -373,   -245,  -334,  -180, -331, -245, -322,
+      -210, -238,  -125,  -198,  -59,    -138,  -44,   -137, -3,   -58,  9,
+      -199, -115,  -324,  -112,  -304,   -122,  -334,  -195, -342, -88,  -186,
+      -146, -296,  -157,  -238,  -181,   -256,  -164,  -321, -198, -320, -193,
+      -346, -189,  -318,  -169,  -297,   -240,  -369,  -178, -273, -261, -370,
+      -222, -299,  -226,  -327,  -186,   -311,  -192,  -283, -157, -277, -144,
+      -267, -140,  -249,  -109,  -220,   -95,   -203,  -109, -172, -51,  -152,
+      -88,  -149,  -49,   -133,  -83,    -123,  -30,   -107, -62,  -145, -55,
+      -94,  -23,   -81,   -49,   -86,    -1,    -42,   -24,  -119, -38,  -58,
+      -5,   -105,  -50,   -71,   1,      -68,   -36,   -53,  -6,   -19,  20,
+      -14,  18,    -29,   55,    -17,    56,    -9,    73,   3,    81,   35,
+      97,   32,    73},
+     /* IRC_Composite_C_R0195_T045_P030.wav */
+     {9,      -7,    5,     -3,    0,     3,     -7,   12,   -18,  25,    -34,
+      45,     -60,   79,    -107,  151,   -363,  -677, -240, -871, 518,   -941,
+      -269,   -1276, 265,   -1859, 1187,  -1350, 2149, 1,    5698, -4523, 4866,
+      -12427, -2128, 5167,  3666,  25146, 2435,  401,  417,  1825, -3164, 2605,
+      613,    -1851, -1719, 979,   -329,  2301,  -426, 1606, -126, 1675,  119,
+      1149,   -57,   595,   -80,   1644,  19,    793,  -129, 1326, 678,   1045,
+      -17,    856,   -22,   267,   -380,  190,   -844, -146, -664, 199,   -735,
+      -167,   -428,  32,    -402,  -217,  -411,  -308, -427, -284, -543,  -438,
+      -454,   -307,  -561,  -259,  -430,  -199,  -381, -181, -382, -148,  -228,
+      -87,    -405,  -169,  -303,  -91,   -361,  -175, -378, -291, -318,  -127,
+      -301,   -269,  -260,  -171,  -316,  -164,  -268, -241, -361, -178,  -341,
+      -229,   -322,  -201,  -335,  -221,  -314,  -343, -328, -221, -321,  -372,
+      -308,   -210,  -400,  -380,  -322,  -269,  -386, -304, -356, -223,  -292,
+      -166,   -317,  -192,  -91,   -100,  -158,  -51,  -73,  -116, -23,   -56,
+      -150,   -243,  -92,   -175,  -169,  -181,  -177, -294, -169, -187,  -210,
+      -286,   -130,  -227,  -213,  -253,  -159,  -238, -150, -211, -249,  -260,
+      -144,   -232,  -247,  -283,  -227,  -289,  -178, -293, -252, -299,  -148,
+      -285,   -211,  -271,  -197,  -276,  -200,  -222, -204, -252, -176,  -235,
+      -205,   -223,  -107,  -218,  -119,  -198,  -109, -182, -35,  -149,  -101,
+      -171,   -62,   -123,  -44,   -128,  -75,   -141, -37,  -172, -54,   -143,
+      -11,    -144,  -27,   -104,  26,    -103,  23,   -105, 37,   -73,   18,
+      -74,    15,    -63,   4,     -83,   16,    -68,  -5,   -50,  47,    -28,
+      24,     -35,   41,    -27,   78,    -21,   77,   -17,  105,  16,    96,
+      7,      122,   24},
+     /* IRC_Composite_C_R0195_T060_P030.wav */
+     {8,      -7,    7,     -6,   5,     -5,   4,     -3,   3,    -3,    3,
+      -3,     5,     -9,    20,   86,    -790, 103,   -872, 55,   -678,  -196,
+      -962,   -387,  -893,  162,  722,   1609, 608,   2929, 1713, -6837, -667,
+      -12691, 15713, 13906, 9242, 5982,  83,   -1809, 1076, 1596, 1326,  -1529,
+      -1392,  -366,  731,   78,   1368,  -246, 850,   592,  521,  699,   1115,
+      310,    930,   973,   592,  664,   159,  708,   710,  489,  -74,   485,
+      -697,   374,   -695,  249,  -1252, 204,  -915,  137,  -777, -91,   -241,
+      -403,   -350,  -466,  -269, -521,  -499, -540,  -380, -320, -709,  -233,
+      -517,   -228,  -634,  -244, -652,  -290, -447,  -147, -545, -241,  -352,
+      5,      -488,  -69,   -437, 53,    -465, -6,    -353, -78,  -525,  -24,
+      -335,   -157,  -418,  -27,  -367,  -103, -287,  -241, -397, -158,  -276,
+      -304,   -351,  -181,  -369, -225,  -401, -209,  -512, -184, -447,  -153,
+      -476,   -152,  -484,  -76,  -492,  -243, -498,  -127, -515, -186,  -392,
+      -135,   -408,  -53,   -239, -82,   -191, 13,    -138, -32,  -118,  -6,
+      -177,   -44,   -187,  -143, -246,  -50,  -262,  -108, -264, -71,   -256,
+      -48,    -325,  -90,   -349, -63,   -352, -110,  -280, -159, -311,  -153,
+      -350,   -187,  -295,  -152, -318,  -137, -192,  -178, -252, -142,  -284,
+      -157,   -277,  -190,  -286, -151,  -282, -119,  -257, -91,  -310,  -54,
+      -224,   -93,   -207,  -75,  -245,  -9,   -203,  -48,  -237, 12,    -182,
+      -40,    -201,  33,    -146, -26,   -200, -37,   -156, -43,  -159,  -28,
+      -130,   -32,   -114,  20,   -143,  6,    -113,  12,   -126, 58,    -103,
+      21,     -121,  59,    -91,  44,    -108, 59,    -43,  47,   -58,   60,
+      -38,    52,    -61,   83,   -36,   62,   3,     66,   27,   84,    84,
+      65,     66,    103},
+     /* IRC_Composite_C_R0195_T075_P030.wav */
+     {100,   -103,  106,   -109, 112,  -115, 118,  -120, 122,   -122,  119,
+      -110,  88,    -25,   53,   -874, 378,  -897, 369,  -1226, 537,   -1263,
+      224,   -1798, 1274,  98,   2195, -462, 4170, 361,  -3989, -3149, -11328,
+      17722, 9812,  11683, 3944, -511, -808, 1931, 2611, 1751,  -2704, -605,
+      -430,  728,   -349,  908,  612,  941,  -687, 931,  759,   -66,   894,
+      2123,  310,   1489,  449,  746,  475,  494,  -493, -725,  213,   -1074,
+      381,   -1100, -205,  -670, -115, -645, -170, -469, -431,  31,    -824,
+      -248,  -707,  -458,  -476, -267, -901, -228, -228, -601,  -420,  -335,
+      -514,  -545,  -367,  -632, -446, -566, -351, -391, -306,  -444,  -134,
+      -388,  -144,  -333,  -243, -194, -98,  -434, -105, -173,  -206,  -249,
+      -121,  -377,  -102,  -345, -159, -256, -146, -470, -106,  -327,  -152,
+      -330,  -205,  -368,  -192, -409, -197, -444, -310, -359,  -229,  -461,
+      -161,  -393,  -318,  -351, -227, -387, -261, -314, -291,  -270,  -249,
+      -242,  -213,  -299,  -192, -269, -108, -253, -73,  -278,  80,    -171,
+      -11,   -111,  7,     -198, -30,  -155, -148, -117, -164,  -168,  -181,
+      -155,  -172,  -221,  -156, -207, -176, -229, -130, -292,  -171,  -280,
+      -233,  -288,  -132,  -237, -242, -209, -166, -245, -147,  -263,  -160,
+      -240,  -126,  -261,  -109, -276, -150, -274, -92,  -247,  -135,  -225,
+      -43,   -207,  -57,   -174, -33,  -157, -10,  -172, -20,   -116,  -56,
+      -146,  22,    -132,  -61,  -119, -53,  -166, -22,  -107,  -81,   -99,
+      -40,   -65,   -89,   -70,  -32,  -77,  -31,  -75,  -25,   -75,   36,
+      -146,  3,     -52,   3,    -100, 13,   -55,  -5,   -17,   13,    -41,
+      5,     -12,   59,    -13,  32,   3,    61,   44,   107,   53,    129,
+      85,    118,   95},
+     /* IRC_Composite_C_R0195_T090_P030.wav */
+     {-85,    89,    -94,   98,    -102,  107,   -112,  116,   -119,  121,
+      -119,   106,   -58,   -455,  60,    99,    -1054, -36,   -88,   242,
+      -1635,  433,   -1255, 1196,  -1210, 2540,  -840,  5344,  -2798, 4670,
+      -10472, -874,  1281,  9198,  19443, 266,   2404,  -1705, 3816,  1662,
+      3038,   83,    -1499, -2490, 1368,  -37,   500,   -334,  1490,  -626,
+      909,    -15,   1075,  678,   1886,  658,   852,   386,   1418,  146,
+      400,    -1073, -338,  -633,  -165,  -1024, -383,  -1251, -264,  -407,
+      -25,    -1062, -140,  -559,  70,    -716,  -459,  -642,  -96,   -725,
+      -472,   -412,  -384,  -647,  -281,  -605,  -395,  -572,  -399,  -706,
+      -351,   -583,  -297,  -495,  -434,  -423,  -201,  -406,  -407,  -323,
+      -268,   -341,  -186,  -360,  -201,  -241,  -141,  -313,  -94,   -257,
+      -169,   -208,  -194,  -224,  -147,  -275,  -276,  -255,  -215,  -224,
+      -195,   -256,  -265,  -271,  -252,  -352,  -290,  -430,  -350,  -309,
+      -268,   -387,  -267,  -289,  -271,  -262,  -303,  -332,  -237,  -287,
+      -328,   -292,  -220,  -307,  -211,  -297,  -184,  -216,  -183,  -248,
+      -116,   -180,  -163,  -187,  -112,  -160,  -80,   -117,  -46,   -81,
+      -25,    -91,   -53,   -114,  -120,  -176,  -181,  -173,  -184,  -205,
+      -224,   -154,  -233,  -229,  -178,  -204,  -243,  -197,  -188,  -194,
+      -206,   -154,  -204,  -205,  -213,  -116,  -191,  -127,  -210,  -145,
+      -216,   -173,  -183,  -177,  -263,  -209,  -141,  -116,  -148,  -107,
+      -124,   -68,   -87,   -45,   -121,  -68,   -134,  -77,   -87,   -29,
+      -115,   -67,   -117,  -46,   -114,  -27,   -115,  -45,   -100,  -16,
+      -82,    -32,   -85,   -17,   -74,   -28,   -41,   -27,   -85,   -23,
+      -68,    -40,   -47,   -15,   -96,   -13,   -38,   11,    -39,   -38,
+      -19,    1,     -19,   -3,    -8,    -15,   -22,   28,    17,    70,
+      76,     128,   80,    124,   112,   151},
+     /* IRC_Composite_C_R0195_T105_P030.wav */
+     {104,   -111,  117,  -125, 133,  -143, 153,  -166, 180,   -197,  218,
+      -245,  288,   -401, 132,  -429, -287, -538, 503,  -701,  -185,  -1083,
+      867,   -1151, 1236, -192, 2589, 704,  2171, -548, -4634, -1245, -3979,
+      18483, 6281,  7009, -196, 501,  1762, 4063, 3838, -1,    -2732, -1085,
+      -409,  884,   444,  -393, -9,   733,  362,  138,  1179,  1594,  1300,
+      947,   317,   734,  700,  55,   -900, -943, -310, -712,  -521,  -933,
+      -377,  -1554, -143, -410, 48,   -924, -152, -440, -212,  -554,  -286,
+      -601,  -527,  -371, -454, -653, -533, -426, -450, -579,  -486,  -483,
+      -369,  -609,  -354, -543, -201, -457, -293, -586, -146,  -430,  -339,
+      -522,  -196,  -439, -324, -340, -141, -423, -157, -344,  -39,   -390,
+      -88,   -363,  -66,  -244, -152, -284, -176, -153, -268,  -264,  -245,
+      -148,  -256,  -290, -221, -325, -190, -340, -211, -490,  -165,  -333,
+      -238,  -471,  -203, -235, -228, -397, -218, -264, -147,  -365,  -267,
+      -367,  -142,  -319, -211, -356, -158, -290, -141, -243,  -127,  -217,
+      -86,   -135,  -64,  -128, -75,  -153, -67,  -155, -25,   -190,  -45,
+      -193,  -18,   -259, 1,    -235, -77,  -284, -88,  -227,  -151,  -250,
+      -186,  -245,  -111, -256, -126, -274, -46,  -272, -88,   -254,  -32,
+      -214,  -71,   -201, -144, -187, -98,  -154, -182, -196,  -78,   -154,
+      -85,   -159,  -36,  -221, -26,  -121, -4,   -188, -47,   -127,  -22,
+      -132,  -24,   -158, -49,  -155, -2,   -158, -21,  -135,  -30,   -121,
+      10,    -87,   -16,  -118, 10,   -48,  -22,  -86,  -12,   -80,   14,
+      -80,   13,    -86,  50,   -103, 29,   -96,  64,   -85,   45,    -104,
+      50,    -45,   64,   -67,  -11,  -39,  117,  -14,  158,   27,    234,
+      13,    225,   68},
+     /* IRC_Composite_C_R0195_T120_P030.wav */
+     {28,    -28,  29,    -29,  29,   -29,   29,   -27,   25,   -21,   15,
+      -5,    -12,  43,    -140, 88,   -559,  -189, 139,   -567, 198,   -314,
+      -739,  -383, 1538,  -450, 794,  642,   4608, -2302, 1277, -7331, 2563,
+      5148,  5379, 12280, 2713, -323, -1693, 7682, 3305,  1850, -1530, -2098,
+      -1411, 1431, -392,  275,  -715, 741,   -246, 1255,  618,  1870,  987,
+      1146,  368,  730,   -169, 18,   -891,  -805, -1522, -439, -421,  -616,
+      -1006, -319, -441,  -263, -511, -164,  -630, -92,   -636, -184,  -746,
+      -202,  -725, -323,  -658, -347, -529,  -471, -673,  -383, -415,  -310,
+      -627,  -358, -521,  -225, -567, -258,  -424, -264,  -432, -273,  -312,
+      -333,  -413, -308,  -330, -340, -367,  -280, -273,  -329, -276,  -223,
+      -220,  -254, -266,  -200, -177, -199,  -276, -232,  -217, -244,  -204,
+      -238,  -182, -299,  -214, -297, -195,  -311, -235,  -299, -177,  -299,
+      -241,  -285, -222,  -309, -277, -284,  -244, -293,  -235, -236,  -241,
+      -258,  -206, -250,  -223, -292, -255,  -245, -224,  -254, -179,  -205,
+      -152,  -237, -116,  -146, -78,  -191,  -75,  -140,  -27,  -176,  -63,
+      -134,  -82,  -199,  -79,  -164, -84,   -202, -123,  -164, -105,  -201,
+      -110,  -207, -105,  -211, -126, -202,  -134, -203,  -129, -204,  -131,
+      -154,  -100, -194,  -94,  -163, -74,   -166, -82,   -216, -107,  -149,
+      -27,   -161, -56,   -129, -40,  -130,  -55,  -114,  -53,  -102,  -63,
+      -77,   -31,  -89,   -106, -127, -83,   -123, -74,   -94,  -24,   -173,
+      -31,   -94,  11,    -133, -8,   -83,   -23,  -88,   12,   -65,   -46,
+      -111,  25,   -94,   13,   -117, 28,    -88,  37,    -79,  24,    -35,
+      51,    -27,  22,    7,    50,   -3,    53,   7,     103,  86,    163,
+      91,    162,  75},
+     /* IRC_Composite_C_R0195_T135_P030.wav */
+     {6,    -6,   7,    -7,   8,    -8,   9,    -9,    10,    -10,  11,   -12,
+      13,   -14,  16,   -18,  -114, -234, -98,  -110,  -115,  -173, -170, -232,
+      -274, 363,  317,  1353, 133,  2229, 1323, 703,   -7423, 4287, 1521, 5913,
+      8831, 4880, 804,  -872, 5713, 3941, 3130, -2817, -2290, -315, 304,  -50,
+      -26,  -209, 494,  295,  1100, 751,  1288, 533,   716,   964,  54,   -449,
+      -399, -528, -808, -934, -947, -951, -457, -538,  -157,  -625, -308, -385,
+      -95,  -571, -310, -374, -278, -494, -514, -429,  -461,  -556, -433, -529,
+      -432, -535, -327, -580, -236, -492, -287, -555,  -216,  -430, -280, -451,
+      -246, -351, -270, -341, -290, -325, -254, -404,  -265,  -383, -232, -420,
+      -232, -398, -198, -399, -199, -300, -210, -291,  -213,  -230, -263, -273,
+      -261, -215, -220, -262, -203, -257, -189, -275,  -199,  -298, -243, -292,
+      -198, -258, -246, -263, -220, -238, -243, -271,  -259,  -242, -227, -263,
+      -220, -247, -166, -281, -180, -274, -165, -251,  -184,  -245, -176, -216,
+      -217, -207, -158, -156, -155, -166, -106, -127,  -108,  -139, -81,  -152,
+      -98,  -167, -88,  -170, -109, -150, -125, -150,  -119,  -119, -124, -135,
+      -111, -142, -113, -144, -112, -168, -76,  -193,  -154,  -199, -103, -124,
+      -149, -137, -125, -90,  -105, -96,  -120, -90,   -84,   -94,  -99,  -96,
+      -69,  -90,  -69,  -82,  -94,  -80,  -67,  -60,   -94,   -70,  -110, -76,
+      -102, -51,  -103, -55,  -74,  -38,  -105, -57,   -91,   -76,  -96,  -51,
+      -36,  -59,  -52,  -57,  -56,  -61,  -46,  -70,   -31,   -32,  -25,  -47,
+      6,    -6,   17,   -33,  -1,   20,   49,   32,    43,    24,   63,   112,
+      138,  114,  43,   112},
+     /* IRC_Composite_C_R0195_T150_P030.wav */
+     {40,   -42,  44,   -47,  49,    -53,  56,   -60,  64,   -69,   75,    -82,
+      90,   -99,  110,  -125, 148,   -207, 85,   -316, 199,  -301,  148,   -341,
+      137,  -377, 122,  76,   967,   463,  1542, 593,  2935, -2335, -3746, 3892,
+      1126, 7018, 5853, 6116, -1287, 2364, 4148, 3574, 181,  -2393, -1125, -178,
+      512,  -398, -17,  -462, 310,   1083, 929,  1228, 538,  479,   431,   450,
+      -124, -446, -926, -681, -484,  -854, -858, -886, -425, -380,  -163,  -187,
+      -475, -333, -267, -193, -398,  -286, -470, -331, -472, -511,  -390,  -535,
+      -398, -443, -447, -458, -316,  -355, -323, -348, -312, -366,  -331,  -282,
+      -304, -410, -276, -324, -270,  -334, -288, -347, -263, -345,  -283,  -348,
+      -294, -324, -322, -384, -264,  -346, -287, -352, -258, -326,  -246,  -345,
+      -247, -332, -220, -276, -243,  -276, -171, -257, -208, -277,  -184,  -237,
+      -184, -265, -186, -245, -165,  -259, -201, -253, -180, -238,  -198,  -272,
+      -176, -246, -187, -277, -161,  -252, -150, -275, -137, -267,  -126,  -254,
+      -141, -241, -149, -227, -151,  -206, -151, -203, -126, -181,  -101,  -170,
+      -85,  -185, -87,  -146, -87,   -170, -106, -170, -90,  -160,  -111,  -150,
+      -107, -140, -90,  -144, -63,   -132, -90,  -238, -87,  -160,  -61,   -203,
+      -110, -165, -57,  -102, -36,   -116, -53,  -98,  -41,  -96,   -62,   -105,
+      -61,  -102, -70,  -120, -86,   -109, -103, -103, -70,  -67,   -72,   -85,
+      -74,  -124, -64,  -94,  -56,   -139, -102, -99,  -75,  -97,   -58,   -61,
+      -30,  -94,  -25,  -74,  -43,   -104, -48,  -76,  -56,  -75,   -27,   -39,
+      -24,  -3,   21,   -10,  -1,    6,    97,   22,   44,   1,     101,   93,
+      134,  63,   82,   45},
+     /* IRC_Composite_C_R0195_T165_P030.wav */
+     {-5,    5,    -6,   6,    -6,   6,    -6,   7,    -7,   7,    -8,   8,
+      -9,    9,    -10,  11,   -12,  14,   -17,  25,   -163, 17,   -80,  12,
+      2,     -73,  14,   -200, 92,   163,  755,  471,  1371, 723,  2348, -678,
+      -3403, 2150, 1314, 5172, 5430, 6608, 508,  1066, 3048, 2691, 1177, -1954,
+      -1312, -864, 1114, -99,  -395, -170, 755,  800,  840,  925,  689,  -7,
+      -2,    -92,  -86,  -565, -703, -538, -415, -580, -306, -607, -337, -594,
+      -235,  -197, -71,  -393, -276, -461, -131, -367, -319, -372, -331, -590,
+      -309,  -448, -316, -391, -370, -330, -202, -345, -331, -285, -252, -333,
+      -332,  -343, -285, -341, -299, -355, -341, -319, -335, -324, -306, -321,
+      -304,  -329, -296, -343, -321, -372, -317, -381, -294, -371, -299, -341,
+      -289,  -334, -273, -311, -239, -276, -234, -285, -217, -256, -202, -250,
+      -169,  -221, -150, -205, -167, -217, -204, -247, -225, -236, -214, -247,
+      -214,  -207, -155, -197, -183, -192, -155, -160, -191, -236, -192, -219,
+      -188,  -240, -195, -229, -141, -216, -140, -210, -108, -198, -110, -186,
+      -131,  -164, -118, -161, -128, -132, -117, -113, -132, -130, -137, -165,
+      -120,  -157, -110, -125, -107, -149, -159, -131, -114, -123, -178, -132,
+      -136,  -75,  -82,  -32,  -23,  -71,  -33,  -49,  -17,  -94,  -64,  -87,
+      -53,   -94,  -80,  -79,  -100, -87,  -113, -66,  -94,  -109, -102, -113,
+      -90,   -94,  -92,  -105, -128, -124, -129, -89,  -94,  -67,  -93,  -83,
+      -95,   -80,  -94,  -87,  -89,  -91,  -53,  -81,  -31,  -57,  18,   -49,
+      -13,   -37,  25,   -7,   9,    -13,  -1,   53,   58,   59,   79,   109,
+      133,   124,  84,   60},
+     /* IRC_Composite_C_R0195_T180_P030.wav */
+     {11,   -12,  12,    -12,   13,   -13,  14,   -14,  15,   -15,  16,   -17,
+      18,   -19,  20,    -21,   23,   -25,  28,   -33,  39,   -51,  85,   16,
+      -87,  129,  -81,   94,    33,   -96,  -40,  382,  84,   940,  857,  674,
+      1733, 496,  -329,  -2997, 2450, 4178, 3824, 5230, 3832, 1334, 27,   2852,
+      1755, 841,  -2811, -750,  709,  798,  -492, -489, 295,  1105, 873,  238,
+      383,  361,  52,    -483,  -293, -277, -430, -468, -128, -283, -308, -272,
+      -363, -267, -297,  -189,  -289, -143, -258, -242, -373, -291, -355, -331,
+      -315, -246, -385,  -325,  -276, -197, -314, -270, -313, -267, -313, -307,
+      -364, -269, -366,  -341,  -361, -328, -371, -363, -339, -357, -363, -329,
+      -335, -334, -353,  -302,  -358, -291, -419, -330, -381, -332, -384, -319,
+      -331, -309, -321,  -276,  -296, -256, -286, -256, -306, -268, -277, -214,
+      -200, -211, -199,  -179,  -152, -213, -196, -243, -196, -273, -196, -241,
+      -183, -226, -151,  -195,  -173, -198, -169, -171, -172, -166, -179, -179,
+      -198, -192, -224,  -204,  -227, -203, -207, -198, -181, -177, -142, -148,
+      -122, -136, -110,  -124,  -113, -120, -142, -140, -137, -157, -161, -213,
+      -116, -179, -81,   -164,  -112, -182, -121, -113, -114, -132, -189, -130,
+      -138, -73,  -121,  -47,   -93,  -7,   -49,  37,   -29,  -7,   -77,  -47,
+      -80,  -70,  -85,   -99,   -107, -91,  -49,  -61,  -81,  -124, -69,  -122,
+      -37,  -160, -57,   -192,  -64,  -193, -77,  -181, -87,  -158, -111, -159,
+      -105, -113, -89,   -109,  -88,  -83,  -83,  -88,  -75,  -44,  -73,  -39,
+      -53,  -1,   -6,    52,    20,   54,   20,   68,   72,   99,   107,  107,
+      128,  102,  141,   66},
+     /* IRC_Composite_C_R0195_T195_P030.wav */
+     {-2,   2,    -2,   2,    -2,   2,     -2,    2,    -2,   2,    -2,   2,
+      -2,   2,    -2,   1,    -1,   1,     -1,    0,    0,    -1,   2,    -3,
+      4,    -1,   20,   -103, 88,   -97,   77,    -98,  0,    -92,  123,  108,
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+      -45,  -46,  -3,   16,   24,   24,    27,    58,   42,   84,   85,   129,
+      127,  141,  127,  125},
+     /* IRC_Composite_C_R0195_T210_P030.wav */
+     {-3,   3,    -3,   3,    -3,   3,    -3,   3,    -3,   3,     -3,   3,
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+      -79,  -59,  -59,  -5,   -31,  13,   -2,   37,   21,   52,    67,   76,
+      116,  109,  131,  125},
+     /* IRC_Composite_C_R0195_T225_P030.wav */
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+      -89,  -78,  -59,  -67,  -27,  -39,  -8,   -19,  9,    9,    34,   44,
+      63,   65,   98,   113},
+     /* IRC_Composite_C_R0195_T240_P030.wav */
+     {0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
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+      35,   22,   73,   65},
+     /* IRC_Composite_C_R0195_T255_P030.wav */
+     {1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,   1,    -1,
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+      -21,  13,   14,   31},
+     /* IRC_Composite_C_R0195_T270_P030.wav */
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+      4,    -20,  19,   6},
+     /* IRC_Composite_C_R0195_T285_P030.wav */
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+      -3,   -13,  9,    16},
+     /* IRC_Composite_C_R0195_T300_P030.wav */
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+      31,   8,    16,    23},
+     /* IRC_Composite_C_R0195_T315_P030.wav */
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+      -90,   -84,  -86,  -83,  -90,  -56,  -96,  -65,  -65,  -48,  -80,  -67,
+      -79,   -50,  -60,  -46,  -63,  -39,  -44,  -12,  -27,  9,    -35,  23,
+      -3,    24,   6,    41},
+     /* IRC_Composite_C_R0195_T330_P030.wav */
+     {-5,   5,    -5,   5,    -5,   5,    -5,   5,     -5,   6,    -6,    6,
+      -6,   6,    -6,   6,    -6,   6,    -7,   7,     -7,   7,    -8,    8,
+      -9,   9,    -11,  14,   -26,  -447, -195, -107,  -505, -457, -480,  -118,
+      -514, -260, -345, 82,   416,  511,  1319, -1763, -994, 103,  -1768, 3014,
+      4385, 2231, 5234, 1274, 290,  -49,  1679, 111,   -604, 148,  524,   573,
+      -122, 973,  360,  1000, 586,  1035, 552,  578,   788,  885,  854,   618,
+      749,  894,  854,  1021, 930,  968,  502,  1006,  765,  768,  438,   460,
+      339,  388,  236,  299,  159,  177,  -65,  162,   -6,   -74,  -134,  -51,
+      -230, -132, -193, -105, -327, -152, -257, -191,  -291, -227, -315,  -280,
+      -252, -192, -306, -253, -281, -182, -326, -252,  -283, -225, -353,  -255,
+      -282, -258, -322, -236, -271, -288, -246, -248,  -299, -265, -254,  -312,
+      -330, -129, -295, -141, -204, -129, -190, -22,   -154, -203, -125,  -172,
+      -156, -188, -111, -223, -112, -106, -241, -86,   -37,  -262, -238,  -193,
+      -103, -105, -7,   -250, -241, -39,  -63,  -184,  -238, -261, -364,  -243,
+      -263, -310, -361, -286, -407, -227, -301, -289,  -311, -319, -263,  -215,
+      -201, -304, -287, -339, -226, -246, -239, -335,  -276, -276, -181,  -234,
+      -181, -257, -180, -234, -151, -165, -203, -213,  -194, -170, -205,  -157,
+      -164, -191, -168, -154, -86,  -133, -128, -162,  -96,  -147, -81,   -165,
+      -68,  -173, -90,  -164, -64,  -127, -68,  -162,  -97,  -99,  -50,   -115,
+      -84,  -111, -102, -87,  -74,  -80,  -123, -76,   -57,  -95,  -59,   -42,
+      -45,  -74,  -38,  -27,  -9,   -30,  0,    -55,   36,   -23,  58,    -21,
+      61,   -7,   59,   29},
+     /* IRC_Composite_C_R0195_T345_P030.wav */
+     {0,    0,    0,    0,    0,    0,    0,     1,     -1,    1,    -1,
+      2,    -2,   2,    -3,   3,    -4,   5,     -5,    6,     -7,   8,
+      -9,   10,   -10,  -1,   -563, -328, -175,  -595,  -424,  -853, 130,
+      -981, 36,   -843, 608,  167,  1104, 1422,  -2010, -2282, 1073, -3818,
+      6278, 4848, 2400, 7303, 1229, -443, -1130, 2494,  95,    -616, -743,
+      335,  108,  968,  417,  599,  684,  1073,  630,   810,   221,  839,
+      469,  1136, 218,  739,  427,  945,  692,   942,   955,   757,  852,
+      1008, 762,  614,  598,  745,  200,  403,   51,    357,   29,   333,
+      -147, -65,  9,    35,   -114, -161, -231,  -52,   -197,  -139, -202,
+      -61,  -310, -211, -214, -165, -307, -207,  -293,  -261,  -259, -204,
+      -201, -310, -323, -244, -250, -260, -335,  -226,  -421,  -206, -333,
+      -191, -401, -188, -244, -264, -283, -225,  -208,  -338,  -233, -69,
+      -304, -181, -213, -18,  -265, 39,   -68,   -82,   -113,  -107, 16,
+      -329, -80,  -324, -205, -399, -184, -328,  -391,  -87,   -9,   36,
+      1,    59,   -85,  124,  -60,  -143, -307,  -231,  -406,  -296, -456,
+      -311, -297, -269, -433, -350, -189, -283,  -277,  -303,  -343, -325,
+      -287, -213, -328, -275, -279, -293, -296,  -268,  -217,  -284, -286,
+      -294, -277, -236, -247, -201, -305, -195,  -224,  -135,  -244, -185,
+      -128, -225, -126, -186, -74,  -235, -93,   -209,  -95,   -133, -90,
+      -131, -165, -80,  -89,  -69,  -148, -104,  -72,   -157,  -77,  -134,
+      -88,  -171, -67,  -113, -124, -110, -76,   -110,  -130,  -59,  -96,
+      -88,  -119, -61,  -109, -81,  -81,  -67,   -82,   -54,   -22,  -49,
+      -19,  -18,  2,    -15,  25,   13,   24,    8,     45,    57,   4,
+      20,   23,   60}};
+
+const int16_t irc_composite_c_r0195_p045[][256] =
+    {/* IRC_Composite_C_R0195_T000_P045.wav */
+     {-30,  30,   -31,  32,   -33,  34,    -35,   36,   -37,   38,    -39,
+      40,   -41,  42,   -43,  43,   -44,   44,    -42,  38,    -28,   -9,
+      -568, -169, -659, -127, -629, -131,  -879,  -529, -702,  -207,  -686,
+      -146, 757,  1500, 46,   1169, -4599, -1790, 163,  -4363, 15423, 4884,
+      3940, 951,  722,  -172, 1158, 1933,  -227,  -750, 303,   -613,  1137,
+      856,  493,  193,  1077, 347,  1002,  300,   420,  882,   521,   444,
+      512,  395,  442,  484,  453,  404,   610,   620,  839,   826,   758,
+      649,  736,  767,  608,  484,  493,   147,   169,  427,   10,    204,
+      -311, 19,   -245, 98,   -241, 0,     -167,  16,   -127,  -26,   -105,
+      -158, -191, -79,  -246, -206, -268,  -177,  -349, -216,  -328,  -216,
+      -366, -178, -332, -214, -308, -168,  -352,  -204, -312,  -132,  -301,
+      -215, -309, -152, -304, -202, -336,  -200,  -308, -229,  -340,  -205,
+      -331, -196, -326, -240, -274, -198,  -310,  -200, -321,  -159,  -282,
+      -190, -264, -176, -207, -74,  -246,  -157,  -167, -77,   -245,  18,
+      -155, -133, -274, -40,  -289, -273,  -267,  -139, -520,  -214,  -265,
+      -252, -317, -46,  -133, -17,  38,    121,   -153, 151,   27,    -13,
+      -114, 13,   -297, -74,  -188, -147,  -332,  -197, -268,  -297,  -199,
+      -221, -310, -309, -263, -206, -258,  -237,  -414, -155,  -291,  -200,
+      -367, -189, -287, -139, -241, -261,  -247,  -142, -190,  -233,  -239,
+      -158, -249, -110, -242, -173, -207,  -82,   -217, -136,  -180,  -136,
+      -164, -112, -177, -97,  -134, -40,   -164,  -32,  -115,  -16,   -91,
+      -12,  -112, 4,    -81,  -19,  -100,  -20,   -70,  -21,   -87,   -6,
+      -59,  22,   -68,  -7,   -66,  36,    -20,   13,   -47,   -2,    -27,
+      28,   -4,   13},
+     /* IRC_Composite_C_R0195_T015_P045.wav */
+     {16,   -14,   12,   -9,    7,     -4,    1,     3,     -7,   12,   -17,
+      22,   -29,   36,   -45,   56,    -69,   85,    -107,  143,  -247, -403,
+      -616, -230,  -517, -270,  -663,  -670,  -583,  -556,  -570, -300, 850,
+      1495, 298,   1490, -1579, -5393, 1137,  -9580, 17573, 8715, 3526, 4288,
+      -490, -1083, 280,  3534,  -555,  -1021, -341,  -114,  804,  1521, 139,
+      355,  844,   673,  325,   735,   -35,   1245,  91,    909,  -18,  912,
+      280,  465,   82,   792,   554,   703,   257,   849,   594,  952,  381,
+      794,  169,   438,  96,    219,   18,    183,   -220,  -11,  -303, 284,
+      -345, -44,   -429, -44,   -355,  -58,   -224,  -155,  -342, -30,  -264,
+      -140, -360,  -95,  -355,  -133,  -396,  -161,  -354,  -174, -312, -65,
+      -314, -194,  -357, -142,  -289,  -170,  -390,  -213,  -337, -152, -369,
+      -215, -364,  -191, -332,  -194,  -330,  -206,  -298,  -234, -318, -198,
+      -344, -225,  -368, -198,  -333,  -240,  -308,  -215,  -230, -223, -291,
+      -224, -258,  -133, -220,  -212,  -260,  -84,   -207,  -164, -294, -157,
+      -248, -263,  -285, -134,  -218,  -267,  -295,  -223,  -237, -192, -163,
+      -155, -68,   86,   -74,   -67,   -51,   -46,   -49,   -45,  -144, -181,
+      -126, -51,   -106, -136,  -213,  -189,  -163,  -189,  -238, -230, -238,
+      -276, -288,  -300, -274,  -264,  -268,  -228,  -288,  -202, -201, -180,
+      -232, -217,  -238, -174,  -222,  -220,  -242,  -187,  -203, -190, -211,
+      -143, -223,  -148, -187,  -110,  -202,  -179,  -175,  -124, -140, -207,
+      -165, -148,  -117, -138,  -129,  -91,   -111,  -52,   -96,  -31,  -72,
+      -57,  -38,   -41,  -39,   -63,   -12,   -65,   -2,    -67,  12,   -64,
+      37,   -48,   34,   -49,   20,    -4,    26,    -16,   4,    -9,   34,
+      -12,  34,    -23},
+     /* IRC_Composite_C_R0195_T030_P045.wav */
+     {53,    -54,  56,    -58,   59,    -62,   64,    -67,   70,   -73,  77,
+      -81,   87,   -93,   100,   -110,  122,   -140,  176,   -592, -266, -620,
+      -93,   -807, 111,   -1033, -244,  -1451, 661,   -1378, 1038, 309,  3279,
+      -1940, 4376, -7187, -1452, -4658, 38,    22380, 4913,  3629, 1106, -370,
+      -1337, 2958, 848,   -390,  -2691, 1295,  -1155, 2599,  -36,  956,  635,
+      787,   53,   821,   200,   581,   67,    983,   274,   565,  247,  646,
+      211,   751,  653,   273,   546,   759,   707,   776,   230,  704,  98,
+      258,   -440, 41,    -44,   -99,   -570,  -276,  125,   -89,  -316, -287,
+      -67,   -256, -409,  -175,  -243,  -300,  -369,  -371,  -102, -291, -350,
+      -382,  -109, -199,  -343,  -360,  -210,  -168,  -316,  -283, -194, -249,
+      -97,   -252, -166,  -374,  -161,  -245,  -317,  -297,  -364, -202, -337,
+      -267,  -324, -305,  -165,  -347,  -151,  -302,  -171,  -371, -213, -207,
+      -334,  -383, -313,  -191,  -297,  -398,  -235,  -273,  -140, -391, -214,
+      -292,  -119, -316,  -254,  -221,  -194,  -227,  -232,  -269, -229, -362,
+      -187,  -364, -206,  -335,  -144,  -247,  -146,  -237,  -158, -174, -97,
+      -117,  50,   -80,   66,    -91,   178,   -80,   -68,   -202, -96,  -198,
+      -132,  -223, -177,  -186,  -153,  -217,  -140,  -249,  -182, -298, -91,
+      -285,  -230, -334,  -153,  -250,  -218,  -295,  -154,  -260, -140, -294,
+      -141,  -233, -87,   -273,  -133,  -222,  -68,   -214,  -169, -225, -107,
+      -209,  -114, -264,  -92,   -242,  -49,   -295,  -99,   -226, -66,  -252,
+      -85,   -193, -65,   -189,  -57,   -171,  -14,   -172,  -4,   -179, 85,
+      -157,  3,    -134,  92,    -113,  -4,    -109,  69,    -51,  13,   -79,
+      68,    -27,  61,    -58,   66,    -43,   79,    -23,   54,   -24,  30,
+      -27,   66,   -41},
+     /* IRC_Composite_C_R0195_T045_P045.wav */
+     {-71,  74,   -76,   79,   -82,  84,   -87,  90,   -93,  96,   -99,   101,
+      -102, 102,  -97,   85,   -52,  -97,  -607, -227, -812, 438,  -1024, -204,
+      -760, 95,   -1636, 140,  -766, 2279, -763, 3056, 150,  2120, -5760, -6480,
+      1711, -14,  24602, 5276, 1036, -813, 1031, 1166, 848,  674,  -478,  -1487,
+      -945, 687,  1855,  -292, 799,  1002, 786,  207,  559,  505,  363,   364,
+      343,  530,  502,   11,   500,  785,  837,  217,  463,  907,  599,   564,
+      357,  380,  -197,  84,   -367, 169,  -530, -810, -282, -180, -171,  -519,
+      -179, -442, -72,   -160, -239, -494, -294, -88,  -553, -268, -512,  -278,
+      -503, -198, -473,  -229, -317, -213, -370, -187, -331, -249, -344,  -154,
+      -381, -135, -317,  -147, -279, -176, -355, -133, -274, -305, -330,  -235,
+      -314, -312, -303,  -290, -257, -159, -269, -234, -243, -173, -350,  -204,
+      -383, -239, -309,  -233, -404, -183, -289, -321, -344, -212, -319,  -251,
+      -253, -168, -303,  -204, -277, -189, -284, -216, -333, -204, -348,  -208,
+      -298, -166, -339,  -189, -186, -273, -152, -87,  -184, -166, 10,    48,
+      -40,  2,    0,     -18,  -97,  -3,   -134, -124, -166, -216, -161,  -149,
+      -234, -162, -175,  -239, -198, -150, -294, -241, -224, -190, -303,  -189,
+      -150, -236, -232,  -162, -159, -199, -136, -231, -166, -169, -136,  -155,
+      -152, -125, -146,  -133, -100, -123, -156, -121, -135, -145, -164,  -174,
+      -157, -151, -189,  -118, -198, -112, -121, -108, -138, -101, -93,   -63,
+      -79,  -82,  -83,   -26,  -44,  -58,  -96,  20,   -91,  -15,  -43,   22,
+      -69,  29,   5,     6,    -19,  24,   3,    1,    25,   26,   26,    17,
+      31,   13,   22,    22},
+     /* IRC_Composite_C_R0195_T060_P045.wav */
+     {59,    -58,   56,    -55,   52,    -49,  45,   -40,   34,   -25,  14,
+      1,     -23,   55,    -108,  214,   -619, -300, -123,  -537, -172, -393,
+      -415,  -586,  -104,  -1306, 69,    -335, 1375, 535,   2761, -686, 3824,
+      -8072, -1237, -7735, 11382, 19138, 4865, 2658, -2047, 1916, 571,  2806,
+      -624,  -694,  -1625, 70,    232,   950,  -64,  1404,  -414, 1196, 34,
+      1403,  -261,  1089,  343,   834,   -188, 587,  -251,  1086, 518,  827,
+      135,   641,   494,   842,   -31,   161,  -360, -291,  -317, 171,  -783,
+      -241,  -1031, 130,   -617,  -201,  -704, -152, -418,  -199, -454, -247,
+      -285,  -342,  -410,  -378,  -429,  -306, -467, -327,  -419, -184, -471,
+      -188,  -474,  -157,  -446,  -174,  -469, -146, -371,  -239, -326, -267,
+      -268,  -265,  -279,  -218,  -230,  -216, -236, -148,  -289, -212, -358,
+      -216,  -330,  -124,  -259,  -173,  -298, -166, -287,  -241, -319, -291,
+      -323,  -261,  -320,  -293,  -286,  -298, -318, -332,  -305, -269, -323,
+      -212,  -266,  -206,  -301,  -143,  -304, -236, -268,  -212, -344, -239,
+      -265,  -225,  -364,  -157,  -292,  -187, -206, -129,  -241, -186, -152,
+      -141,  -106,  -103,  -15,   -115,  56,   -68,  26,    -47,  -92,  -125,
+      -141,  -154,  -176,  -196,  -181,  -250, -197, -136,  -112, -240, -89,
+      -180,  -145,  -235,  -146,  -223,  -248, -178, -229,  -152, -219, -112,
+      -250,  -98,   -141,  -152,  -155,  -116, -137, -150,  -110, -137, -128,
+      -94,   -113,  -72,   -189,  -29,   -176, -93,  -125,  -129, -123, -190,
+      -65,   -169,  -92,   -169,  -68,   -159, -48,  -109,  -46,  -109, -25,
+      -81,   -31,   -72,   -27,   -71,   7,    -65,  -16,   -30,  -30,  -44,
+      30,    -39,   8,     -56,   53,    -36,  81,   -51,   97,   -64,  95,
+      -35,   60,    -30},
+     /* IRC_Composite_C_R0195_T075_P045.wav */
+     {7,     -7,    6,     -6,    5,    -5,   4,     -3,   2,    0,    -2,
+      5,     -9,    14,    -23,   45,   -729, -86,   -463, -18,  -765, 398,
+      -1336, 518,   -1262, -130,  -544, 1878, -781,  3861, -694, 2694, -2479,
+      -6040, -3168, 1816,  21907, 5475, 5383, -2274, 1082, 1645, 3196, -180,
+      -862,  -1506, -288,  -182,  870,  -91,  1493,  -388, 779,  238,  870,
+      64,    614,   1007,  850,   122,  95,   413,   1397, 214,  480,  297,
+      844,   -36,   272,   27,    -433, -791, -467,  60,   -441, -446, -697,
+      -441,  -417,  -402,  -239,  -587, -268, -547,  -343, -464, -296, -435,
+      -388,  -347,  -416,  -430,  -420, -403, -296,  -406, -376, -408, -228,
+      -422,  -330,  -353,  -273,  -416, -325, -234,  -301, -372, -327, -219,
+      -336,  -296,  -307,  -215,  -240, -202, -250,  -161, -199, -207, -315,
+      -154,  -247,  -142,  -267,  -158, -266, -221,  -313, -201, -303, -302,
+      -339,  -264,  -278,  -318,  -314, -301, -319,  -312, -315, -204, -334,
+      -223,  -340,  -127,  -300,  -165, -343, -198,  -307, -246, -285, -207,
+      -293,  -254,  -293,  -183,  -246, -202, -252,  -100, -213, -78,  -138,
+      -60,   -197,  -164,  -160,  -109, -141, -50,   -142, 2,    -155, 50,
+      -176,  0,     -217,  -67,   -265, -39,  -241,  -180, -198, -196, -186,
+      -182,  -111,  -135,  -134,  -125, -176, -98,   -184, -100, -212, -114,
+      -228,  -113,  -95,   -140,  -143, -141, -78,   -133, -100, -67,  -178,
+      -75,   -161,  -2,    -319,  35,   -236, -7,    -269, 53,   -223, -47,
+      -143,  -20,   -108,  -80,   -80,  -54,  -96,   -67,  -96,  -24,  -164,
+      -15,   -108,  -24,   -125,  -8,   -47,  -26,   -57,  4,    -8,   -39,
+      -35,   32,    -69,   30,    -49,  58,   -82,   89,   -80,  107,  -80,
+      104,   -56,   112},
+     /* IRC_Composite_C_R0195_T090_P045.wav */
+     {82,    -84,   86,    -88,   90,    -91,   93,   -94,  95,   -95,   94,
+      -92,   87,    -78,   61,    -33,   -240,  -426, 56,   -683, 113,   -744,
+      373,   -1306, 284,   -1194, 1644,  -667,  2652, -291, 4245, -2423, -2014,
+      -4070, -4168, 13696, 10251, 10475, -3031, 1940, 668,  3850, 1809,  -625,
+      -1492, -994,  -456,  184,   563,   568,   -96,  1027, 330,  539,   32,
+      648,   1068,  571,   102,   392,   437,   1555, 535,  636,  312,   223,
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+      -343,  -218,  -305,  -280,  -254,  -331,  -243, -363, -249, -287,  -245,
+      -320,  -255,  -262,  -272,  -215,  -275,  -191, -269, -200, -292,  -200,
+      -287,  -217,  -267,  -214,  -217,  -218,  -189, -189, -148, -203,  -120,
+      -154,  -118,  -165,  -102,  -132,  -161,  -134, -144, -132, -168,  -94,
+      -134,  -87,   -100,  -96,   -67,   -104,  -58,  -178, -114, -154,  -134,
+      -226,  -145,  -224,  -215,  -130,  -174,  -117, -174, -71,  -88,   -63,
+      -109,  -58,   -78,   -120,  -50,   -84,   -79,  -101, -63,  -97,   -110,
+      -65,   -129,  -123,  -160,  -83,   -162,  -109, -152, -92,  -143,  -76,
+      -108,  -73,   -110,  -42,   -74,   -64,   -99,  -35,  -69,  -11,   -79,
+      -57,   -78,   -51,   -41,   -69,   -60,   -68,  -23,  -64,  48,    -114,
+      27,    -96,   75,    -109,  79,    -84,   99,   -121, 109,  -64,   69,
+      -52,   115,   -98},
+     /* IRC_Composite_C_R0195_T105_P045.wav */
+     {28,    -30,   31,    -33,   35,    -38,  40,    -43,  47,   -51,  55,
+      -60,   67,    -75,   85,    -99,   111,  -72,   -376, -88,  -540, 307,
+      -524,  -278,  -931,  669,   115,   481,  924,   2601, 65,   2397, -5614,
+      -1324, -2647, 10799, 8614,  10099, 118,  -2294, 4895, 2386, 2569, -875,
+      -924,  -2723, 797,   264,   147,   -195, 968,   521,  465,  -376, 1032,
+      858,   1253,  -135,  495,   389,   792,  755,   975,  0,    305,  -239,
+      -39,   -629,  -469,  -1320, -587,  -582, -54,   -751, -376, -721, -115,
+      -425,  -260,  -335,  -443,  -566,  -430, -612,  -353, -563, -240, -666,
+      -197,  -569,  -261,  -523,  -199,  -719, -213,  -574, -181, -663, -112,
+      -511,  -96,   -492,  -191,  -414,  -208, -419,  -314, -403, -269, -455,
+      -207,  -442,  -146,  -453,  -78,   -424, -85,   -318, -146, -327, -204,
+      -254,  -94,   -214,  -119,  -280,  -105, -318,  -172, -355, -253, -350,
+      -232,  -337,  -213,  -346,  -174,  -337, -196,  -365, -187, -307, -214,
+      -347,  -231,  -304,  -233,  -293,  -202, -273,  -150, -270, -125, -278,
+      -116,  -278,  -165,  -297,  -205,  -241, -198,  -221, -169, -202, -83,
+      -240,  -100,  -225,  -103,  -190,  -146, -171,  -133, -169, -147, -152,
+      -62,   -157,  -83,   -150,  -63,   -116, -82,   -115, -86,  -88,  -91,
+      -126,  -129,  -161,  -111,  -196,  -127, -178,  -79,  -197, -117, -103,
+      -73,   -136,  -26,   -65,   -11,   -114, 16,    -69,  41,   -165, 27,
+      -83,   -32,   -83,   -83,   -89,   -127, -138,  -85,  -115, -105, -151,
+      -76,   -90,   -77,   -130,  -45,   -81,  -85,   -105, -60,  -35,  -80,
+      -62,   -86,   -27,   -81,   -18,   -56,  -46,   -45,  -2,   5,    -61,
+      -31,   -63,   -14,   -64,   -36,   8,    -66,   36,   -43,  73,   -62,
+      61,    -61,   80},
+     /* IRC_Composite_C_R0195_T120_P045.wav */
+     {-12,   12,    -13,   13,    -14,   14,   -15,   16,   -17,  18,   -20,
+      22,    -25,   29,    -34,   41,    -54,  124,   -315, 231,  -915, 409,
+      -381,  76,    -1011, 336,   -106,  1161, -312,  2462, 834,  1649, -538,
+      -4939, -381,  2968,  10089, 6155,  8410, -2705, 920,  4167, 3787, 745,
+      -2352, -1802, -28,   292,   -651,  645,  868,   -434, 709,  424,  388,
+      1070,  1285,  -64,   322,   849,   520,  234,   673,  260,  -252, -169,
+      -219,  -404,  -898,  -522,  -1000, -760, -659,  -37,  -489, -625, -480,
+      -117,  -279,  -318,  -554,  -444,  -479, -476,  -447, -397, -506, -426,
+      -374,  -367,  -517,  -341,  -428,  -392, -509,  -321, -429, -316, -424,
+      -291,  -372,  -230,  -336,  -266,  -337, -314,  -357, -245, -417, -326,
+      -393,  -223,  -400,  -276,  -346,  -207, -347,  -196, -289, -214, -324,
+      -195,  -253,  -149,  -240,  -179,  -253, -165,  -279, -187, -327, -224,
+      -367,  -235,  -338,  -247,  -316,  -185, -311,  -218, -272, -162, -301,
+      -187,  -304,  -196,  -322,  -148,  -322, -157,  -312, -104, -274, -142,
+      -240,  -141,  -246,  -193,  -235,  -171, -192,  -186, -214, -189, -212,
+      -181,  -191,  -123,  -229,  -156,  -208, -159,  -193, -117, -178, -146,
+      -179,  -127,  -164,  -97,   -166,  -64,  -139,  -51,  -149, -26,  -150,
+      -13,   -111,  -43,   -117,  -85,   -121, -102,  -128, -113, -107, -143,
+      -80,   -75,   -82,   -86,   -55,   -52,  -89,   -61,  -20,  -13,  -63,
+      41,    -66,   -14,   -65,   -25,   -99,  -66,   -90,  -83,  -119, -73,
+      -60,   -96,   -94,   -16,   -118,  -43,  -110,  -43,  -94,  -27,  -153,
+      -76,   -126,  -21,   -94,   -45,   -92,  -51,   -33,  3,    -63,  -11,
+      -52,   -9,    -73,   9,     -41,   -20,  -40,   3,    -44,  -34,  0,
+      0,     -32,   16},
+     /* IRC_Composite_C_R0195_T135_P045.wav */
+     {15,    -16,   17,    -18,  19,   -20,  21,    -22,   23,   -24,  25,
+      -27,   28,    -29,   29,   -28,  24,   -11,   -117,  -145, -90,  -121,
+      -109,  -173,  -39,   -435, 83,   -128, 1107,  344,   1609, 548,  3339,
+      -3005, -2346, -79,   2825, 6596, 9304, 4876,  -1449, 2789, 1884, 4671,
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+      -279,  -264,  -289,  -263, -287, -260, -261,  -232,  -231, -207, -225,
+      -198,  -204,  -183,  -223, -189, -221, -183,  -247,  -188, -250, -189,
+      -248,  -190,  -209,  -183, -176, -163, -144,  -170,  -178, -173, -185,
+      -158,  -195,  -164,  -234, -222, -222, -206,  -165,  -198, -160, -175,
+      -170,  -167,  -137,  -130, -154, -126, -141,  -104,  -142, -91,  -116,
+      -80,   -71,   -71,   -88,  -42,  -93,  -59,   -74,   -48,  -70,  -66,
+      -85,   -79,   -76,   -90,  -60,  -94,  -51,   -65,   -11,  -46,  -25,
+      -16,   -13,   -19,   -24,  -51,  -74,  -67,   -91,   -21,  -96,  -77,
+      -66,   2,     -73,   -36,  -56,  -44,  -134,  -42,   -35,  -70,  -118,
+      -47,   -68,   -116,  -72,  -82,  -75,  -136,  -24,   -85,  -36,  -90,
+      1,     -62,   -4,    -20,  -33,  -14,  1,     -17,   -33,  -28,  -35,
+      -37,   -9,    -16},
+     /* IRC_Composite_C_R0195_T150_P045.wav */
+     {13,    -14,  16,   -17,  19,   -20,  22,   -25,  27,   -30,  34,   -38,
+      42,    -48,  55,   -63,  75,   -91,  119,  -208, 14,   -179, 43,   -143,
+      14,    -237, 127,  -445, 347,  318,  882,  1092, 671,  2337, -2,   -2406,
+      -2033, 3403, 2686, 9080, 6065, 1654, -385, 2378, 3537, 1656, -964, -2514,
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+      -130,  -156, -129, -136, -88,  -131, -105, -128, -101, -129, -90,  -83,
+      -84,   -106, -52,  -43,  -49,  -65,  -44,  -66,  -38,  -70,  26,   -76,
+      6,     -88,  -13,  -82,  -34,  -41,  -4,   -34,  -1,   -14,  9,    -50,
+      -23,   -69,  -16,  -101, -10,  -110, -17,  -119, -37,  -74,  -19,  -102,
+      -24,   -41,  -56,  -111, -39,  -111, -124, -147, -53,  -65,  -109, -46,
+      -41,   -68,  -52,  -7,   -29,  -64,  -43,  -18,  -36,  -49,  -47,  1,
+      -26,   -14,  -36,  -17},
+     /* IRC_Composite_C_R0195_T165_P045.wav */
+     {-5,    6,     -6,   7,    -7,   8,    -9,   9,    -10,  11,   -13,  14,
+      -16,   18,    -20,  23,   -27,  31,   -37,  45,   -57,  83,   -131, 98,
+      -140,  102,   -154, 88,   -172, 82,   24,   745,  704,  1159, 942,  1377,
+      685,   -3350, -75,  2310, 5071, 6483, 6504, -342, 276,  2310, 3436, 1307,
+      -1968, -1879, -504, 1149, 580,  -184, -486, 250,  728,  683,  585,  651,
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+      -173,  -138,  -175, -147, -160, -114, -124, -105, -119, -77,  -100, -117,
+      -136,  -90,   -111, -91,  -103, -87,  -79,  -69,  -28,  -22,  -44,  -41,
+      -25,   -6,    -27,  -13,  -21,  -10,  -27,  9,    1,    -13,  14,   -2,
+      20,    6,     -17,  -7,   -23,  -45,  -82,  -88,  -89,  -86,  -91,  -67,
+      -101,  -82,   -96,  -74,  -71,  -81,  -64,  -98,  -60,  -94,  -66,  -105,
+      -103,  -119,  -65,  -33,  -28,  -21,  -24,  -24,  -66,  -22,  -25,  -29,
+      -63,   -45,   -61,  -77},
+     /* IRC_Composite_C_R0195_T180_P045.wav */
+     {1,    -1,   1,     -1,    2,     -2,   2,    -2,   2,    -2,   2,    -2,
+      3,    -3,   3,     -3,    3,     -4,   4,    -4,   4,    -4,   3,    -2,
+      9,    -9,   70,    -59,   121,   -126, 127,  -45,  222,  619,  653,  1289,
+      587,  1432, 300,   -1888, -1240, 3381, 3947, 6141, 5035, 479,  -148, 2113,
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+      284,  522,  787,   289,   291,   216,  96,   -622, -296, -616, -684, -562,
+      -153, -193, -156,  -160,  -230,  -111, -119, -291, -584, -298, -144, -240,
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+      -213, -263, -327,  -375,  -294,  -371, -362, -434, -364, -436, -381, -431,
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+      -288, -357, -297,  -388,  -309,  -398, -314, -430, -330, -408, -271, -349,
+      -243, -310, -230,  -234,  -197,  -214, -201, -187, -203, -238, -232, -238,
+      -212, -225, -205,  -211,  -176,  -179, -201, -211, -228, -202, -224, -150,
+      -202, -129, -214,  -123,  -184,  -94,  -133, -120, -193, -166, -163, -113,
+      -144, -135, -197,  -168,  -225,  -183, -213, -177, -199, -157, -207, -155,
+      -195, -92,  -173,  -121,  -200,  -130, -155, -103, -148, -111, -166, -85,
+      -143, -56,  -147,  -56,   -154,  -59,  -141, -36,  -120, -42,  -95,  -13,
+      -67,  16,   -28,   44,    -44,   24,   -33,  43,   -27,  82,   -21,  103,
+      -17,  122,  -2,    81,    -69,   27,   -35,  -19,  -94,  -112, -111, -109,
+      -91,  -94,  -119,  -134,  -85,   -80,  -83,  -129, -79,  -97,  -58,  -112,
+      -41,  -119, -24,   -104,  -33,   -99,  -41,  -79,  -41,  -68,  -44,  -36,
+      -44,  -71,  -84,   -70},
+     /* IRC_Composite_C_R0195_T195_P045.wav */
+     {-10,  11,   -11,  11,   -12,  12,    -12,   13,   -13,  14,   -14,  15,
+      -15,  16,   -17,  17,   -18,  19,    -20,   21,   -22,  23,   -24,  26,
+      -28,  29,   -70,  1,    21,   -50,   -12,   7,    -98,  118,  -221, 432,
+      295,  945,  530,  962,  1220, -497,  -1827, 293,  2669, 3717, 6133, 2421,
+      667,  647,  2517, 2286, 876,  -1019, -811,  715,  567,  146,  -552, 68,
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+      -255, -381, -227, -301, -267, -362,  -351,  -257, -250, -265, -197, -240,
+      -267, -205, -195, -288, -234, -313,  -331,  -391, -314, -376, -403, -414,
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+      -338, -337, -339, -329, -314, -348,  -381,  -383, -383, -385, -396, -353,
+      -328, -277, -291, -244, -249, -220,  -237,  -207, -212, -209, -222, -227,
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+      -163, -195, -186, -186, -145, -123,  -130,  -154, -175, -167, -170, -122,
+      -126, -124, -185, -179, -196, -160,  -179,  -161, -199, -183, -176, -134,
+      -131, -147, -153, -166, -151, -161,  -167,  -166, -166, -160, -162, -139,
+      -166, -135, -153, -143, -142, -125,  -105,  -102, -94,  -90,  -78,  -72,
+      -57,  -50,  -51,  -21,  -44,  -9,    -31,   -16,  -46,  -3,   -13,  24,
+      10,   27,   32,   25,   66,   -13,   -17,   -41,  -15,  -51,  -100, -128,
+      -126, -123, -107, -116, -127, -132,  -96,   -99,  -88,  -127, -87,  -121,
+      -70,  -130, -87,  -96,  -70,  -95,   -94,   -64,  -80,  -73,  -64,  -54,
+      -55,  -52,  -44,  -57},
+     /* IRC_Composite_C_R0195_T210_P045.wav */
+     {-1,   1,    -1,   1,    -1,   1,    -1,   1,    -2,    2,     -2,   2,
+      -2,   2,    -2,   3,    -3,   3,    -3,   4,    -4,    4,     -5,   5,
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+      -48,  -24,  -31,  -11},
+     /* IRC_Composite_C_R0195_T225_P045.wav */
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+      -83,  -58,  -72,  -30},
+     /* IRC_Composite_C_R0195_T240_P045.wav */
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+     /* IRC_Composite_C_R0195_T255_P045.wav */
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+     /* IRC_Composite_C_R0195_T270_P045.wav */
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+      -190, -112, -183, -108, -171, -100, -163, -85,   -153,  -101, -137, -74,
+      -146, -57,  -120, -58,  -110, -43,  -90,  -50,   -94,   -38,  -79,  -64,
+      -64,  -54,  -43,  -59,  -47,  -30,  -23,  -30,   -38,   -10,  -18,  12,
+      -13,  10,   -24,  5},
+     /* IRC_Composite_C_R0195_T345_P045.wav */
+     {16,   -16,  16,   -16,  16,   -16,   16,   -16,   16,   -15,   15,   -14,
+      14,   -13,  11,   -9,   7,    -4,    0,    5,     -13,  25,    -45,  84,
+      -233, -338, -363, -485, -200, -447,  -145, -898,  -330, -612,  95,   -690,
+      294,  625,  1287, -151, 69,   -4722, 1521, -1345, 1556, 10396, 3052, 2742,
+      68,   1282, 287,  1583, 813,  -614,  -309, 335,   28,   768,   552,  558,
+      584,  902,  480,  734,  438,  738,   500,  576,   491,  546,   493,  681,
+      435,  611,  561,  752,  683,  864,   812,  738,   819,  537,   703,  581,
+      367,  218,  0,    254,  20,   344,   -127, 37,    -166, 211,   -28,  -62,
+      -54,  -160, -27,  -117, -166, -287,  -249, -103,  -237, -262,  -426, -232,
+      -222, -305, -355, -320, -241, -298,  -264, -311,  -247, -264,  -248, -253,
+      -288, -211, -240, -212, -321, -248,  -261, -248,  -306, -335,  -270, -295,
+      -235, -360, -279, -274, -198, -287,  -320, -253,  -257, -194,  -270, -236,
+      -243, -201, -255, -169, -230, -203,  -38,  -204,  -189, 64,    -47,  -32,
+      -96,  -24,  -149, -249, -211, -363,  -445, -322,  -199, -451,  -374, -212,
+      -206, -56,  -101, 52,   -41,  90,    144,  4,     -84,  38,    -111, -234,
+      -118, -217, -227, -246, -157, -274,  -235, -253,  -192, -341,  -200, -287,
+      -253, -258, -299, -242, -317, -247,  -273, -208,  -264, -246,  -273, -176,
+      -209, -205, -204, -238, -186, -184,  -158, -218,  -216, -193,  -143, -174,
+      -141, -179, -144, -152, -78,  -161,  -124, -122,  -54,  -126,  -102, -95,
+      -62,  -64,  -102, -54,  -75,  -51,   -32,  -78,   -64,  -53,   -39,  -81,
+      -33,  -75,  -14,  -32,  -27,  -68,   2,    -35,   2,    -22,   5,    -24,
+      24,   -12,  -6,   0}};
+
+const int16_t irc_composite_c_r0195_p060[][256] =
+    {/* IRC_Composite_C_R0195_T000_P060.wav */
+     {6,    -6,   6,    -6,   6,    -6,    6,     -6,    6,    -6,    6,
+      -6,   6,    -6,   5,    -5,   5,     -6,    7,     -9,   18,    -62,
+      -477, -304, -336, -458, -335, -491,  -402,  -829,  -409, -707,  -293,
+      -66,  983,  571,  504,  539,  -3665, -1218, -4247, 2405, 12687, 3792,
+      3387, 222,  562,  745,  2239, 1323,  -741,  -286,  -83,  813,   783,
+      665,  -6,   1300, 432,  669,  373,   824,   513,   741,  332,   740,
+      326,  679,  126,  625,  66,   777,   213,   737,   590,  515,   621,
+      819,  662,  597,  612,  571,  221,   378,   180,   456,  -17,   193,
+      -19,  201,  -103, 188,  -114, -50,   -223,  41,    -272, -7,    -204,
+      -73,  -274, -27,  -179, -118, -266,  -52,   -236,  -150, -298,  -185,
+      -328, -211, -330, -359, -321, -288,  -288,  -390,  -233, -301,  -238,
+      -287, -186, -257, -179, -231, -185,  -249,  -207,  -244, -242,  -257,
+      -261, -239, -326, -213, -312, -252,  -311,  -214,  -308, -230,  -270,
+      -210, -269, -227, -231, -256, -281,  -231,  -249,  -231, -210,  -238,
+      -174, -214, -204, -218, -156, -225,  -179,  -158,  -114, -151,  -171,
+      -128, -150, -184, -87,  -97,  -145,  -171,  -201,  -199, -179,  -259,
+      -239, -309, -310, -314, -227, -196,  -170,  -192,  -26,  -115,  43,
+      -61,  74,   -180, -52,  -139, -83,   -192,  -18,   -187, -104,  -111,
+      -67,  -175, -118, -149, -164, -160,  -118,  -201,  -219, -161,  -187,
+      -241, -189, -199, -195, -205, -163,  -179,  -154,  -122, -150,  -171,
+      -167, -152, -190, -183, -192, -193,  -159,  -180,  -150, -160,  -87,
+      -151, -131, -124, -50,  -117, -92,   -81,   -58,   -70,  -16,   -38,
+      -34,  -12,  39,   -10,  47,   38,    87,    17,    83,   31,    82,
+      15,   52,   1},
+     /* IRC_Composite_C_R0195_T030_P060.wav */
+     {20,   -21,  22,   -23,   24,    -25,   26,   -28,   29,   -31,  33,
+      -35,  37,   -40,  44,    -49,   57,    -69,  99,    -268, -386, -296,
+      -341, -306, -439, -461,  -219,  -926,  -450, -515,  -185, -151, 2064,
+      -248, 2208, -557, -2551, -2664, -6482, 6173, 13499, 9000, -215, 137,
+      1397, 897,  1847, 1331,  -989,  -1152, -31,  458,   894,  968,  314,
+      922,  758,  306,  312,   862,   265,   458,  604,   466,  114,  555,
+      424,  349,  321,  475,   497,   583,   497,  442,   464,  481,  505,
+      592,  441,  239,  76,    20,    163,   45,   -273,  -262, -336, -166,
+      -64,  -152, -189, -166,  -140,  -223,  -230, -243,  -348, -277, -328,
+      -243, -252, -223, -247,  -223,  -225,  -225, -211,  -310, -229, -259,
+      -253, -320, -259, -356,  -330,  -309,  -289, -302,  -271, -256, -257,
+      -245, -269, -281, -283,  -267,  -256,  -268, -267,  -280, -263, -261,
+      -261, -284, -289, -275,  -272,  -247,  -274, -279,  -271, -276, -305,
+      -292, -268, -282, -266,  -248,  -248,  -229, -247,  -221, -202, -217,
+      -233, -213, -204, -239,  -209,  -216,  -194, -227,  -155, -201, -185,
+      -243, -159, -264, -210,  -189,  -201,  -282, -175,  -151, -178, -186,
+      -73,  -151, -201, -182,  -71,   -254,  -132, -94,   -52,  -235, -22,
+      -27,  -101, -159, -17,   -130,  -166,  -55,  -23,   -206, -132, -126,
+      -159, -211, -63,  -187,  -189,  -148,  -84,  -174,  -142, -124, -126,
+      -185, -149, -155, -156,  -187,  -149,  -205, -136,  -153, -105, -164,
+      -138, -137, -75,  -158,  -128,  -135,  -115, -148,  -94,  -125, -133,
+      -123, -51,  -120, -102,  -85,   -18,   -84,  -52,   -42,  8,    -51,
+      10,   0,    9,    -20,   40,    16,    14,   24,    69,   21,   25,
+      23,   33,   2},
+     /* IRC_Composite_C_R0195_T060_P060.wav */
+     {49,   -49,  50,    -50,   49,    -49,   48,    -47,  45,   -43,   39,
+      -34,  27,   -17,   1,     24,    -67,   158,   -573, 27,   -273,  -533,
+      -199, -358, -57,   -1237, 277,   -801,  -585,  81,   1678, -52,   2584,
+      -635, 2281, -6550, -1907, -4733, 12287, 16138, 2134, 560,  -1141, 3390,
+      1047, 2071, -850,  -288,  -1730, 541,   499,   654,  282,  1081,  13,
+      1053, -59,  982,   296,   639,   439,   387,   97,   735,  -102,  457,
+      298,  541,  229,   951,   144,   642,   -123,  725,  239,  371,   -407,
+      173,  -217, 5,     -418,  64,    -709,  -238,  -708, -195, -402,  -221,
+      -414, -199, -238,  -175,  -279,  -243,  -447,  -227, -531, -270,  -429,
+      -178, -455, -173,  -350,  -170,  -312,  -238,  -284, -268, -355,  -248,
+      -402, -300, -358,  -251,  -472,  -244,  -350,  -274, -353, -195,  -309,
+      -279, -276, -243,  -232,  -248,  -185,  -198,  -344, -177, -263,  -274,
+      -355, -198, -341,  -222,  -358,  -178,  -344,  -238, -289, -271,  -338,
+      -286, -218, -316,  -206,  -256,  -230,  -264,  -214, -239, -277,  -261,
+      -259, -225, -268,  -221,  -134,  -246,  -182,  -192, -154, -260,  -116,
+      -218, -234, -234,  -227,  -254,  -254,  -224,  -164, -220, -284,  -56,
+      -257, -45,  -289,  -17,   -299,  22,    -225,  103,  -264, -36,   -33,
+      -158, -37,  -147,  39,    -238,  -62,   -117,  -69,  -262, 42,    -153,
+      -162, -86,  -22,   -214,  -31,   -193,  -19,   -225, -87,  -128,  -143,
+      -84,  -102, -114,  -95,   -106,  -146,  -143,  -5,   -308, -86,   -140,
+      -102, -254, 41,    -68,   -208,  37,    -26,   -47,  -124, 31,    -99,
+      -131, -35,  -104,  -59,   -141,  32,    -115,  3,    -48,  1,     -54,
+      32,   -67,  -4,    -31,   -40,   -50,   45,    -30,  -17,  43,    3,
+      8,    10,   37},
+     /* IRC_Composite_C_R0195_T090_P060.wav */
+     {20,   -22,   23,   -25,   26,   -28,   30,   -33,  35,    -38,  41,
+      -45,  49,    -54,  60,    -66,  75,    -87,  -10,  -413,  -67,  -233,
+      -277, -289,  -247, -282,  -617, -150,  -183, 967,  613,   1964, 132,
+      3132, -4890, -30,  -7492, 6867, 13211, 9263, 1898, -2424, 3417, 1010,
+      3400, -250,  -877, -1856, 320,  -121,  560,  520,  754,   353,  491,
+      -65,  931,   362,  494,   135,  792,   604,  460,  -39,   664,  258,
+      476,  82,    671,  151,   141,  64,    562,  -256, -248,  -550, -170,
+      -357, -396,  -602, -158,  -390, -415,  -610, -298, -495,  -302, -712,
+      -205, -411,  -237, -411,  -197, -452,  -250, -501, -239,  -421, -284,
+      -481, -170,  -438, -181,  -420, -184,  -419, -262, -417,  -218, -376,
+      -336, -394,  -333, -356,  -335, -390,  -304, -355, -247,  -352, -237,
+      -395, -250,  -384, -156,  -227, -147,  -266, -148, -197,  -207, -288,
+      -280, -286,  -312, -317,  -266, -316,  -238, -306, -223,  -320, -187,
+      -342, -177,  -339, -198,  -318, -212,  -319, -219, -304,  -241, -273,
+      -207, -279,  -190, -248,  -107, -255,  -126, -251, -112,  -272, -95,
+      -249, -163,  -250, -133,  -247, -177,  -254, -198, -235,  -194, -229,
+      -212, -194,  -191, -142,  -191, -92,   -153, -45,  -145,  -65,  -138,
+      -64,  -93,   -82,  -65,   -113, -49,   -140, -78,  -118,  -32,  -137,
+      -37,  -107,  -30,  -59,   -142, -106,  -132, -11,  -240,  49,   -159,
+      20,   -179,  55,   -117,  -17,  -81,   -27,  -68,  -101,  -72,  -98,
+      -48,  -107,  -136, -19,   -93,  -74,   -119, 94,   -211,  28,   -129,
+      49,   -157,  78,   -96,   21,   -143,  105,  -58,  -15,   -28,  13,
+      -42,  14,    -40,  -16,   -41,  -38,   -39,  21,   -40,   -15,  -19,
+      -23,  -62,   3},
+     /* IRC_Composite_C_R0195_T120_P060.wav */
+     {-11,  11,   -11,   11,    -11,  10,   -10,   10,   -9,   9,     -8,
+      7,    -6,   4,     -1,    -4,   11,   -23,   54,   -588, 228,   -347,
+      10,   -393, 78,    -279,  -133, -619, 373,   107,  880,  1033,  1066,
+      2024, -241, -1833, -4036, 1812, 3742, 13338, 5090, 1325, -1146, 2733,
+      2814, 1516, -118,  -2246, -488, 96,   262,   192,  815,  13,    476,
+      529,  495,  181,   475,   265,  780,  210,   341,  81,   498,   784,
+      541,  47,   -30,   -8,    36,   -29,  -17,   -592, -609, -210,  -251,
+      -604, -616, -485,  -190,  -407, -234, -662,  -290, -550, -301,  -639,
+      -361, -458, -250,  -462,  -279, -431, -205,  -390, -287, -423,  -271,
+      -396, -265, -443,  -263,  -432, -176, -477,  -278, -447, -188,  -475,
+      -218, -453, -216,  -462,  -223, -420, -282,  -431, -248, -385,  -293,
+      -403, -276, -425,  -204,  -367, -74,  -400,  -116, -375, -65,   -372,
+      -120, -338, -171,  -350,  -192, -321, -226,  -351, -196, -350,  -234,
+      -344, -164, -341,  -158,  -306, -138, -338,  -156, -268, -116,  -265,
+      -176, -243, -204,  -212,  -198, -229, -226,  -192, -144, -137,  -153,
+      -181, -152, -194,  -135,  -178, -195, -187,  -227, -175, -208,  -170,
+      -244, -159, -254,  -137,  -245, -163, -226,  -152, -162, -107,  -156,
+      -107, -123, -75,   -95,   -2,   -107, -23,   -62,  -12,  -74,   -60,
+      -54,  -88,  -41,   -86,   -11,  -107, -13,   -74,  -29,  -98,   -23,
+      -52,  -89,  -64,   -61,   -71,  -89,  -73,   19,   -96,  13,    -86,
+      41,   -106, 92,    -5,    1,    -25,  -7,    -37,  -56,  34,    -91,
+      -24,  -86,  10,    -49,   -33,  -31,  -56,   10,   -83,  56,    -62,
+      45,   -72,  47,    -53,   7,    -38,  12,    -40,  -11,  -4,    -41,
+      -34,  -33,  -33},
+     /* IRC_Composite_C_R0195_T150_P060.wav */
+     {-16,   16,    -17,   17,   -18,  18,   -19,  20,   -20,  21,   -21,  22,
+      -22,   23,    -23,   23,   -23,  22,   -20,  15,   -1,   -129, 61,   -83,
+      -118,  -17,   -51,   -30,  -188, -95,  109,  510,  730,  1005, 940,  2137,
+      -1039, -410,  -2971, 1165, 5406, 9365, 3937, 2137, -649, 991,  4216, 933,
+      -931,  -1885, 270,   39,   471,  -2,   92,   175,  614,  97,   357,  338,
+      829,   636,   315,   -32,  510,  435,  434,  61,   257,  -175, -293, -260,
+      -101,  -474,  -492,  -360, -265, -315, -367, -291, -300, -567, -400, -366,
+      -215,  -495,  -451,  -522, -369, -523, -275, -402, -310, -403, -263, -346,
+      -267,  -319,  -256,  -370, -300, -367, -298, -401, -295, -443, -304, -417,
+      -322,  -444,  -298,  -381, -312, -439, -329, -390, -317, -384, -301, -362,
+      -302,  -383,  -295,  -368, -322, -392, -272, -324, -246, -326, -211, -303,
+      -225,  -323,  -240,  -326, -214, -295, -235, -325, -259, -307, -231, -265,
+      -204,  -266,  -221,  -283, -193, -226, -150, -215, -156, -235, -140, -226,
+      -173,  -226,  -138,  -181, -139, -211, -149, -228, -146, -230, -122, -202,
+      -104,  -157,  -89,   -169, -122, -180, -141, -172, -119, -242, -182, -247,
+      -146,  -221,  -160,  -209, -160, -222, -134, -194, -158, -172, -105, -115,
+      -90,   -104,  -68,   -78,  -70,  -76,  -8,   -32,  19,   -27,  16,   -5,
+      -14,   -32,   0,     -60,  -11,  -71,  10,   -79,  -60,  -81,  -34,  -99,
+      -28,   -10,   -16,   0,    23,   9,    -66,  -19,  -7,   -4,   -45,  41,
+      7,     -5,    -25,   -4,   7,    -31,  -3,   22,   -19,  -42,  6,    -62,
+      -7,    -36,   56,    -32,  47,   -21,  39,   -84,  -6,   -47,  -14,  -45,
+      33,    -19,   -3,    -57},
+     /* IRC_Composite_C_R0195_T180_P060.wav */
+     {10,   -10,  10,   -11,  11,    -10,   10,   -10,  10,   -10,  10,   -10,
+      9,    -9,   8,    -7,   6,     -5,    3,    -1,   -2,   6,    -12,  19,
+      -22,  153,  -20,  -54,  110,   44,    10,   -80,  172,  36,   605,  639,
+      998,  719,  1758, -623, -249,  -1810, 1268, 4590, 6942, 3540, 1131, 148,
+      816,  4013, 533,  -755, -1438, 271,   -13,  605,  142,  55,   202,  291,
+      -131, 465,  665,  844,  217,   120,   213,  663,  92,   -57,  -100, 67,
+      -191, -270, -528, -381, -572,  -177,  -319, -6,   -278, -198, -211, 58,
+      -313, -463, -592, -248, -465,  -368,  -496, -344, -514, -270, -361, -242,
+      -341, -263, -349, -193, -335,  -278,  -416, -272, -416, -335, -439, -313,
+      -451, -348, -453, -349, -443,  -392,  -472, -363, -430, -386, -408, -312,
+      -392, -320, -379, -310, -370,  -331,  -403, -335, -385, -348, -366, -269,
+      -311, -276, -302, -234, -290,  -316,  -341, -275, -241, -217, -208, -227,
+      -228, -238, -222, -184, -224,  -208,  -241, -186, -232, -205, -245, -203,
+      -214, -163, -151, -128, -135,  -145,  -180, -187, -204, -171, -188, -145,
+      -158, -112, -157, -75,  -116,  -69,   -149, -129, -160, -136, -115, -133,
+      -152, -184, -177, -167, -165,  -197,  -218, -169, -194, -138, -205, -133,
+      -162, -112, -132, -87,  -117,  -57,   -79,  -38,  -55,  -39,  -50,  -29,
+      -58,  -18,  2,    13,   -3,    31,    17,   9,    8,    29,   -11,  -10,
+      -3,   19,   -49,  -35,  -14,   -39,   -21,  -64,  -32,  -53,  -24,  -15,
+      -14,  -23,  27,   17,   51,    -9,    -15,  -18,  18,   -37,  5,    -74,
+      -13,  -18,  63,   0,    46,    7,     63,   -15,  19,   -10,  7,    -30,
+      -32,  -44,  -79,  -107},
+     /* IRC_Composite_C_R0195_T210_P060.wav */
+     {-5,   5,    -5,   5,    -5,   5,    -5,   5,    -5,    5,    -5,   5,
+      -5,   5,    -5,   5,    -5,   5,    -5,   5,    -5,    5,    -4,   4,
+      -4,   4,    -4,   -36,  -70,  2,    -43,  -45,  -73,   17,   -83,  -76,
+      -100, 274,  192,  709,  499,  1049, 474,  192,  -1587, -214, 1449, 4357,
+      5043, 2092, 784,  976,  2790, 1402, 1131, -633, 70,    310,  385,  217,
+      300,  87,   393,  309,  640,  644,  573,  357,  469,   403,  414,  393,
+      291,  95,   9,    177,  41,   -38,  -147, -145, -178,  -91,  51,   -23,
+      82,   6,    81,   -66,  -34,  -205, -207, -298, -223,  -348, -275, -305,
+      -257, -377, -308, -322, -230, -324, -269, -300, -305,  -334, -286, -346,
+      -334, -384, -351, -411, -405, -389, -413, -415, -387,  -382, -401, -384,
+      -393, -405, -388, -417, -364, -399, -357, -398, -374,  -392, -376, -343,
+      -359, -316, -314, -243, -324, -280, -326, -283, -293,  -262, -262, -275,
+      -249, -231, -206, -195, -215, -224, -241, -210, -220,  -242, -276, -255,
+      -264, -198, -192, -190, -189, -210, -164, -172, -169,  -172, -189, -153,
+      -193, -127, -166, -117, -158, -112, -128, -133, -107,  -136, -117, -161,
+      -108, -110, -142, -127, -184, -138, -172, -147, -192,  -188, -193, -158,
+      -153, -183, -168, -189, -142, -164, -152, -151, -135,  -105, -91,  -78,
+      -46,  -70,  -9,   -22,  -10,  6,    -3,   11,   9,     0,    -18,  -34,
+      -49,  -47,  -78,  -56,  -80,  -88,  -84,  -41,  -76,   -89,  -89,  -34,
+      -62,  21,   -11,  29,   -63,  38,   13,   32,   -26,   -6,   -18,  -15,
+      -14,  -11,  -43,  -37,  -18,  40,   -10,  3,    -52,   3,    -65,  -18,
+      -66,  -33,  -83,  -53},
+     /* IRC_Composite_C_R0195_T240_P060.wav */
+     {-5,   5,    -5,   5,    -5,   6,    -6,   6,    -6,   6,    -6,   6,
+      -6,   6,    -6,   6,    -6,   6,    -6,   6,    -6,   7,    -7,   7,
+      -6,   6,    -6,   4,    1,    -68,  -141, -43,  -120, -98,  -71,  -122,
+      -111, -111, -115, -151, -61,  253,  299,  522,  567,  502,  242,  -1198,
+      -647, 857,  3187, 4265, 2111, 1152, 1068, 2588, 1288, 1124, 171,  189,
+      245,  613,  495,  306,  631,  410,  664,  513,  726,  614,  455,  361,
+      493,  538,  415,  305,  397,  398,  328,  162,  355,  127,  167,  95,
+      91,   92,   127,  159,  137,  126,  136,  112,  42,   -54,  -59,  -214,
+      -99,  -334, -210, -340, -229, -357, -264, -345, -232, -312, -253, -294,
+      -304, -352, -288, -347, -349, -364, -352, -373, -394, -376, -368, -434,
+      -376, -402, -393, -434, -406, -412, -357, -430, -351, -354, -374, -337,
+      -289, -323, -276, -287, -233, -304, -270, -311, -283, -321, -267, -321,
+      -256, -305, -231, -272, -202, -256, -217, -272, -229, -238, -234, -247,
+      -261, -261, -253, -218, -198, -218, -190, -226, -148, -209, -150, -201,
+      -174, -181, -174, -172, -158, -155, -141, -131, -122, -138, -117, -118,
+      -119, -130, -144, -143, -130, -146, -135, -155, -149, -172, -147, -158,
+      -167, -175, -169, -144, -176, -150, -108, -129, -129, -136, -93,  -143,
+      -97,  -99,  -87,  -71,  -74,  -15,  -38,  -48,  -75,  -66,  -95,  -101,
+      -91,  -93,  -103, -154, -122, -128, -116, -84,  -70,  -79,  -65,  -51,
+      -28,  -23,  -20,  -21,  -53,  -15,  -9,   15,   -49,  5,    -40,  -18,
+      -42,  -33,  -30,  -86,  -81,  -68,  -62,  -85,  -44,  -26,  -89,  -49,
+      -55,  -24,  -61,  -16},
+     /* IRC_Composite_C_R0195_T270_P060.wav */
+     {5,    -5,    6,    -6,   6,    -6,   6,    -6,   7,    -7,   7,    -7,
+      8,    -8,    8,    -9,   9,    -10,  10,   -11,  12,   -12,  13,   -15,
+      16,   -19,   22,   -27,  38,   -79,  -217, -116, -99,  -179, -211, -36,
+      -231, -204,  -130, -219, -231, -133, 80,   277,  396,  430,  429,  -88,
+      -768, -1080, 327,  3345, 4354, 1751, 849,  1821, 1217, 1828, 885,  517,
+      269,  311,   1017, 365,  820,  357,  716,  549,  590,  621,  516,  736,
+      326,  780,   263,  770,  281,  705,  378,  636,  371,  475,  311,  429,
+      255,  409,   238,  273,  140,  314,  213,  208,  138,  105,  115,  -23,
+      74,   -205,  -25,  -248, -155, -287, -280, -252, -297, -307, -288, -293,
+      -267, -333,  -245, -352, -304, -348, -348, -351, -433, -337, -451, -334,
+      -472, -324,  -423, -375, -381, -372, -314, -375, -276, -267, -321, -301,
+      -279, -273,  -291, -287, -302, -304, -304, -290, -236, -296, -289, -263,
+      -294, -284,  -324, -265, -281, -292, -245, -245, -266, -260, -214, -224,
+      -254, -200,  -260, -209, -252, -220, -200, -254, -196, -233, -158, -228,
+      -136, -185,  -148, -205, -143, -175, -148, -149, -166, -120, -148, -104,
+      -128, -140,  -125, -152, -101, -130, -77,  -199, -88,  -178, -108, -197,
+      -126, -198,  -117, -194, -113, -172, -133, -128, -87,  -131, -57,  -112,
+      -60,  -136,  -71,  -150, -125, -162, -106, -205, -139, -165, -138, -149,
+      -118, -134,  -84,  -134, -83,  -120, -64,  -109, -79,  -116, -53,  -90,
+      -64,  -49,   -97,  -69,  -54,  -86,  -38,  -63,  -120, -64,  -43,  -89,
+      -78,  -45,   -32,  -110, -9,   -49,  -30,  -91,  -36,  -87,  -34,  -90,
+      -12,  -62,   -20,  -67},
+     /* IRC_Composite_C_R0195_T300_P060.wav */
+     {5,    -5,   5,    -5,   6,    -6,   6,    -6,   6,    -6,   6,     -6,
+      6,    -7,   7,    -7,   7,    -7,   7,    -8,   8,    -8,   8,     -9,
+      9,    -9,   10,   -11,  16,   -103, -316, -221, -172, -255, -229,  -364,
+      -48,  -533, -236, -67,  -300, 259,  642,  185,  100,  427,  -1196, -1745,
+      476,  2467, 5309, 2589, 680,  1682, 925,  1569, 1041, 949,  -237,  234,
+      798,  421,  371,  569,  750,  604,  969,  544,  826,  529,  786,   297,
+      628,  582,  490,  514,  782,  585,  536,  518,  533,  446,  484,   585,
+      264,  478,  477,  367,  328,  417,  65,   219,  65,   246,  -91,   156,
+      -64,  72,   -138, 50,   -297, -48,  -254, -210, -356, -206, -256,  -287,
+      -317, -214, -367, -254, -373, -339, -401, -317, -430, -376, -368,  -350,
+      -418, -316, -298, -353, -273, -305, -281, -287, -227, -371, -293,  -252,
+      -310, -323, -260, -272, -324, -243, -257, -310, -290, -276, -297,  -255,
+      -201, -324, -280, -270, -230, -282, -221, -248, -298, -222, -268,  -241,
+      -260, -255, -277, -235, -187, -236, -210, -172, -224, -173, -145,  -191,
+      -157, -155, -157, -126, -186, -84,  -150, -177, -153, -72,  -128,  -133,
+      -127, -100, -229, -197, -160, -241, -236, -171, -176, -120, -75,   -47,
+      -120, -105, -128, -76,  -160, -120, -127, -109, -139, -135, -144,  -192,
+      -179, -152, -203, -173, -143, -161, -61,  -179, -143, -104, -126,  -147,
+      -78,  -176, -138, -177, -87,  -160, -110, -137, -186, -155, -86,   -135,
+      -127, -105, -97,  -124, -34,  -111, -50,  -117, -72,  -123, -75,   -65,
+      -94,  -51,  -83,  -75,  -56,  -47,  -45,  -13,  -39,  -55,  20,    -56,
+      36,   -41,  12,   -24},
+     /* IRC_Composite_C_R0195_T330_P060.wav */
+     {3,    -3,   4,    -4,   4,    -4,   5,     -5,   5,     -6,   6,    -6,
+      7,    -7,   8,    -9,   10,   -11,  13,    -15,  18,    -22,  28,   -41,
+      71,   -233, -373, -96,  -345, -318, -371,  -265, -252,  -594, -439, -312,
+      -197, 197,  323,  301,  1318, -757, -1616, -868, -2081, 2422, 6337, 5378,
+      1528, 381,  1195, 1007, 1545, 810,  158,   -165, 224,   315,  652,  555,
+      370,  728,  945,  600,  540,  730,  606,   560,  567,   567,  493,  662,
+      473,  574,  547,  639,  468,  638,  527,   625,  475,   584,  476,  643,
+      403,  465,  284,  372,  243,  235,  43,    108,  49,    102,  20,   -28,
+      -86,  -48,  -49,  -120, -149, -133, -123,  -173, -198,  -229, -246, -291,
+      -242, -300, -328, -373, -296, -357, -299,  -377, -351,  -356, -276, -311,
+      -324, -289, -282, -268, -271, -255, -256,  -273, -249,  -285, -230, -270,
+      -219, -299, -282, -269, -275, -287, -307,  -267, -290,  -268, -297, -284,
+      -263, -248, -257, -244, -243, -257, -290,  -273, -259,  -265, -237, -261,
+      -238, -273, -209, -234, -171, -171, -157,  -118, -120,  -137, -80,  -115,
+      -96,  -166, -45,  -140, -79,  -126, -114,  -259, -243,  -265, -228, -274,
+      -267, -264, -220, -203, -117, -137, -118,  -112, -33,   -82,  -41,  -93,
+      -102, -121, -120, -145, -175, -177, -147,  -143, -65,   -127, -138, -136,
+      -94,  -127, -130, -217, -183, -159, -168,  -202, -184,  -203, -240, -202,
+      -146, -195, -160, -147, -169, -143, -72,   -128, -191,  -139, -128, -170,
+      -166, -129, -160, -152, -97,  -112, -123,  -68,  -72,   -87,  -76,  -27,
+      -63,  -48,  -50,  -16,  -43,  16,   -15,   -10,  -1,    57,   47,   30,
+      49,   50,   35,   14}};
+
+const int16_t irc_composite_c_r0195_p075[][256] =
+    {/* IRC_Composite_C_R0195_T000_P075.wav */
+     {12,   -12,  13,   -13,   13,    -13,  13,   -13,  14,   -14,  14,   -14,
+      14,   -14,  15,   -15,   14,    -14,  13,   -12,  7,    8,    -224, -367,
+      -189, -595, -344, -165,  -801,  -581, -302, -836, -618, 407,  530,  134,
+      1455, -966, -265, -4329, -4113, 4525, 6992, 8542, 304,  -199, 2762, 1323,
+      1544, 1359, 195,  -1272, 815,   548,  454,  489,  1188, 303,  1217, 433,
+      606,  486,  940,  200,   865,   394,  415,  452,  439,  167,  687,  262,
+      388,  668,  618,  250,   776,   505,  518,  525,  594,  287,  552,  461,
+      358,  276,  304,  160,   239,   30,   35,   -21,  -62,  -125, -17,  -31,
+      -371, 39,   -211, -122,  -197,  40,   -391, 72,   -166, -93,  -262, -84,
+      -337, -76,  -325, -174,  -301,  -196, -378, -120, -367, -324, -293, -268,
+      -402, -208, -271, -377,  -322,  -212, -314, -262, -200, -245, -294, -186,
+      -222, -275, -226, -280,  -246,  -300, -262, -182, -254, -272, -206, -217,
+      -307, -182, -214, -248,  -250,  -184, -258, -303, -196, -229, -312, -240,
+      -213, -256, -268, -167,  -202,  -256, -145, -174, -141, -306, -39,  -235,
+      -192, -132, -161, -142,  -205,  -78,  -192, -93,  -268, -65,  -239, -166,
+      -229, -88,  -215, -227,  -134,  -262, -99,  -230, -94,  -297, -147, -247,
+      -15,  -245, -197, -51,   -171,  -94,  -46,  -60,  -97,  -14,  -100, 14,
+      -99,  -80,  -92,  -24,   -178,  55,   -112, -23,  -104, 47,   -121, -73,
+      -80,  -27,  -196, -98,   -74,   -188, -162, -54,  -110, -182, -133, -30,
+      -121, -83,  -72,  -116,  -145,  -93,  -89,  -136, -159, -163, -75,  -145,
+      -145, -85,  -61,  -103,  -107,  5,    -74,  -43,  -3,   -22,  -72,  -26,
+      -24,  6,    -85,  5},
+     /* IRC_Composite_C_R0195_T060_P075.wav */
+     {-14,  15,   -15,  16,   -17,   18,    -19,   20,   -21,   22,   -23,
+      24,   -25,  27,   -28,  30,    -32,   35,    -42,  65,    -281, -389,
+      123,  -583, -268, -119, -384,  -436,  -660,  282,  -1424, 931,  -191,
+      1870, -113, 1526, 243,  -2974, -2922, -3038, 6766, 14120, 3000, -177,
+      427,  2482, 2472, 607,  1128,  -2092, 683,   -982, 2038,  -839, 1456,
+      -30,  1050, 188,  720,  669,   391,   864,   257,  483,   214,  493,
+      238,  321,  378,  114,  592,   45,    886,   -9,   646,   103,  701,
+      13,   345,  57,   116,  121,   -88,   171,   -386, 97,    -335, -262,
+      -369, -373, -308, -409, 33,    -533,  5,     -484, 24,    -435, -237,
+      -319, -208, -233, -416, -146,  -317,  -166,  -309, -232,  -304, -340,
+      -158, -439, -169, -482, -113,  -521,  -200,  -450, -258,  -409, -296,
+      -298, -425, -296, -402, -280,  -434,  -185,  -317, -227,  -279, -194,
+      -241, -311, -232, -320, -314,  -306,  -233,  -329, -276,  -236, -245,
+      -297, -256, -187, -267, -262,  -210,  -246,  -287, -248,  -205, -331,
+      -278, -229, -232, -260, -191,  -174,  -217,  -208, -141,  -202, -243,
+      -151, -110, -284, -132, -132,  -134,  -277,  -115, -207,  -229, -254,
+      -153, -213, -329, -111, -236,  -248,  -245,  -82,  -281,  -102, -144,
+      -93,  -133, -52,  -82,  -139,  -23,   -121,  -40,  -135,  7,    -127,
+      -34,  -127, -9,   -67,  -119,  -37,   -34,   -134, 4,     -70,  -77,
+      -81,  -62,  -64,  -127, -18,   -109,  11,    -156, 60,    -224, 27,
+      -77,  -130, 6,    -101, -38,   -151,  93,    -175, -123,  0,    -32,
+      -129, -111, 115,  -229, -48,   12,    -46,   -196, -37,   -14,  -163,
+      -83,  -1,   -137, -48,  -101,  91,    -141,  15,   -60,   28,   -35,
+      -33,  -10,  -28},
+     /* IRC_Composite_C_R0195_T120_P075.wav */
+     {-13,  13,   -14,  14,   -15,  15,    -16,  16,    -17,  17,    -18,
+      18,   -19,  19,   -20,  20,   -19,   19,   -16,   12,   -1,    -57,
+      -48,  -189, -132, -75,  -227, -56,   -343, 28,    -501, 199,   201,
+      917,  964,  1130, 545,  1226, -3782, -981, -1166, 8252, 10379, 3341,
+      -521, -669, 4572, 428,  2096, -1386, -405, -1098, 1383, -2,    236,
+      525,  510,  124,  361,  340,  604,   403,  459,   20,   703,   550,
+      361,  4,    507,  76,   379,  200,   87,   66,    -36,  226,   133,
+      30,   -418, -183, -144, -119, -262,  -333, -294,  -550, -263,  -353,
+      -297, -518, -525, -481, -405, -172,  -382, -282,  -383, -195,  -329,
+      -205, -358, -340, -304, -296, -417,  -305, -321,  -319, -400,  -254,
+      -454, -283, -418, -294, -482, -262,  -427, -329,  -482, -271,  -419,
+      -319, -403, -345, -351, -373, -409,  -381, -310,  -297, -225,  -271,
+      -290, -302, -223, -252, -250, -249,  -220, -293,  -267, -259,  -270,
+      -267, -281, -238, -321, -208, -300,  -203, -357,  -197, -295,  -169,
+      -277, -177, -273, -210, -234, -196,  -252, -188,  -188, -144,  -221,
+      -121, -160, -150, -180, -111, -124,  -171, -110,  -188, -133,  -213,
+      -124, -220, -168, -203, -176, -182,  -229, -156,  -255, -117,  -221,
+      -99,  -240, -61,  -158, -122, -129,  -39,  -92,   -133, 4,     -74,
+      -53,  -77,  35,   -129, 8,    -50,   5,    -61,   -24,  -33,   -46,
+      31,   -56,  58,   -35,  39,   -37,   57,   -74,   2,    -108,  -10,
+      -136, 18,   -141, 8,    -114, 4,     -132, -22,   -37,  -31,   -20,
+      -71,  79,   -149, 14,   -32,  50,    -85,  -47,   94,   -59,   21,
+      -39,  82,   -145, 47,   -47,  -14,   -82,  -16,   -3,   -58,   -48,
+      -44,  -22,  -40},
+     /* IRC_Composite_C_R0195_T180_P075.wav */
+     {-17,  17,   -17,  17,   -16,  16,    -16,   16,   -15,  15,   -15,  14,
+      -14,  14,   -13,  12,   -12,  11,    -10,   9,    -7,   5,    -2,   -2,
+      11,   164,  -118, 156,  -74,  171,   -166,  281,  -259, 331,  -163, 647,
+      483,  1342, 96,   2125, -652, 369,   -2506, 1012, 3788, 6928, 5436, -854,
+      927,  1011, 2973, 419,  642,  -1377, -224,  371,  309,  -128, 78,   268,
+      228,  233,  434,  427,  397,  -91,   692,   541,  379,  -60,  222,  -23,
+      131,  178,  60,   -172, -56,  -82,   -145,  -311, -297, -431, -248, -412,
+      -107, -371, -72,  -353, -277, -448,  -332,  -408, -362, -461, -379, -530,
+      -388, -407, -290, -364, -334, -409,  -288,  -419, -285, -384, -338, -447,
+      -343, -386, -344, -453, -378, -390,  -377,  -502, -386, -429, -361, -457,
+      -343, -463, -441, -462, -348, -398,  -369,  -416, -375, -435, -312, -336,
+      -244, -309, -307, -321, -263, -272,  -272,  -262, -236, -196, -217, -232,
+      -215, -261, -261, -304, -256, -296,  -220,  -241, -218, -248, -199, -190,
+      -206, -213, -223, -195, -209, -182,  -150,  -161, -155, -165, -145, -155,
+      -129, -127, -102, -102, -126, -107,  -145,  -133, -143, -141, -131, -140,
+      -117, -119, -86,  -121, -100, -131,  -130,  -130, -139, -142, -162, -155,
+      -148, -128, -171, -136, -140, -117,  -101,  -76,  -112, -44,  -78,  -20,
+      -37,  -38,  -18,  15,   -6,   2,     39,    44,   55,   -20,  46,   41,
+      30,   8,    37,   20,   -14,  0,     -10,   0,    -57,  -38,  -55,  -62,
+      -113, -27,  -88,  -33,  -69,  -21,   -80,   1,    -86,  62,   -11,  16,
+      23,   128,  6,    102,  -12,  152,   3,     46,   29,   36,   -97,  2,
+      -15,  22,   -109, -54},
+     /* IRC_Composite_C_R0195_T240_P075.wav */
+     {3,    -3,   3,    -3,   3,    -3,   3,    -2,   2,     -2,    2,    -2,
+      1,    -1,   1,    0,    0,    1,    -2,   3,    -4,    5,     -7,   10,
+      -13,  20,   -42,  -111, -129, -71,  -115, -137, -61,   -159,  -123, -192,
+      -19,  -219, 406,  390,  680,  549,  886,  -353, -736,  -1471, 543,  4694,
+      6064, 1476, 785,  1081, 2341, 1848, 567,  793,  -1054, 878,   -19,  694,
+      -27,  624,  453,  574,  713,  561,  524,  289,  447,   341,   517,  436,
+      227,  504,  311,  411,  259,  396,  204,  319,  114,   96,    38,   -78,
+      39,   -23,  9,    123,  -104, 210,  -61,  44,   -245,  -60,   -225, -163,
+      -284, -292, -366, -364, -318, -284, -326, -284, -257,  -269,  -279, -348,
+      -246, -376, -367, -329, -388, -355, -428, -316, -418,  -375,  -426, -318,
+      -396, -436, -393, -407, -383, -405, -383, -442, -422,  -393,  -344, -375,
+      -309, -340, -270, -311, -270, -269, -256, -268, -233,  -283,  -233, -230,
+      -236, -283, -256, -265, -301, -274, -317, -261, -298,  -265,  -239, -262,
+      -221, -248, -188, -287, -192, -249, -152, -246, -140,  -231,  -148, -218,
+      -130, -170, -165, -154, -171, -127, -181, -99,  -138,  -109,  -120, -99,
+      -88,  -129, -61,  -150, -63,  -199, -44,  -206, -106,  -201,  -113, -189,
+      -182, -146, -180, -174, -177, -146, -150, -167, -103,  -131,  -76,  -138,
+      -14,  -119, -32,  -66,  -17,  -34,  -48,  8,    -80,   -30,   -22,  -34,
+      -12,  -52,  1,    -29,  -7,   12,   -34,  -30,  -36,   -43,   -95,  -29,
+      -80,  -102, -17,  -119, -24,  -119, 10,   -78,  -16,   -105,  -38,  -66,
+      -45,  -15,  9,    -36,  -32,  33,   -12,  -9,   -66,   -12,   -59,  8,
+      -23,  -10,  -6,   -22},
+     /* IRC_Composite_C_R0195_T300_P075.wav */
+     {5,    -5,   5,    -6,   6,    -6,   6,    -7,   7,     -7,   8,    -8,
+      9,    -9,   10,   -10,  11,   -12,  13,   -14,  16,    -19,  23,   -30,
+      49,   -174, -216, -220, -266, -146, -276, -310, -167,  -398, -257, -446,
+      -119, 2,    150,  904,  282,  399,  -249, -994, -2605, 51,   5569, 5353,
+      3304, -294, 1237, 2394, 748,  1912, 84,   -494, 511,   465,  372,  641,
+      761,  120,  1277, 373,  764,  283,  1087, -27,  731,   558,  213,  625,
+      490,  578,  331,  755,  261,  576,  308,  533,  270,   531,  241,  337,
+      345,  292,  249,  254,  130,  252,  95,   124,  0,     -94,  22,   -124,
+      -166, -120, -222, -195, -188, -102, -288, -138, -247,  -177, -285, -135,
+      -368, -230, -298, -370, -301, -355, -365, -394, -255,  -460, -300, -338,
+      -376, -356, -289, -388, -412, -303, -449, -224, -403,  -214, -327, -319,
+      -233, -280, -268, -283, -281, -308, -227, -300, -251,  -210, -330, -195,
+      -309, -196, -294, -197, -342, -211, -310, -249, -268,  -272, -295, -243,
+      -275, -237, -249, -206, -274, -172, -248, -191, -211,  -154, -258, -145,
+      -194, -183, -134, -143, -154, -131, -111, -163, -86,   -129, -136, -111,
+      -159, -135, -153, -128, -194, -126, -204, -111, -239,  -106, -205, -215,
+      -163, -175, -185, -155, -144, -130, -163, -92,  -105,  -142, -4,   -111,
+      -109, -19,  -118, 13,   -189, 9,    -76,  -118, -8,    -6,   -126, -54,
+      46,   -138, -64,  43,   -92,  -25,  -132, 48,   -164,  -57,  -43,  -117,
+      -199, -11,  -164, -58,  -105, -75,  -100, -150, -59,   -62,  -137, -80,
+      -148, -65,  -126, -49,  -62,  -33,  -77,  -10,  -18,   -11,  -21,  -15,
+      -36,  -38,  -38,  9}};
+
+const int16_t irc_composite_c_r0195_p090[][256] =
+    {/* IRC_Composite_C_R0195_T000_P090.wav */
+     {-1,   1,    -1,    1,     -1,    1,    -1,   2,    -2,   2,    -3,   3,
+      -3,   4,    -5,    5,     -7,    8,    -10,  14,   -25,  -385, -133, -356,
+      -344, -390, -312,  -438,  -400,  -852, -107, -995, -245, -186, 1358, -771,
+      1473, 28,   -1710, -3762, -3025, 4119, 8200, 5927, -785, 1558, 2250, 1837,
+      2098, 631,  -318,  150,   -77,   1215, -23,  792,  865,  600,  981,  659,
+      366,  950,  511,   766,   502,   516,  589,  299,  331,  571,  105,  609,
+      462,  485,  538,   594,   470,   640,  393,  432,  325,  604,  259,  355,
+      336,  454,  33,    263,   182,   -24,  -124, 121,  -231, -50,  -93,  49,
+      -230, -101, 25,    -196,  -123,  -21,  -160, -161, -132, -136, -155, -268,
+      -121, -146, -311,  -112,  -328,  -201, -220, -280, -214, -304, -233, -227,
+      -250, -242, -334,  -256,  -283,  -393, -267, -285, -332, -331, -224, -295,
+      -279, -171, -151,  -361,  -199,  -239, -227, -317, -168, -211, -370, -182,
+      -150, -343, -204,  -192,  -224,  -319, -203, -137, -357, -146, -223, -237,
+      -276, -162, -201,  -262,  -186,  -209, -147, -267, -46,  -252, -162, -146,
+      -182, -199, -143,  -218,  -204,  -108, -250, -163, -90,  -241, -137, -125,
+      -122, -272, -111,  -188,  -211,  -160, -160, -164, -201, -231, -114, -175,
+      -180, -212, -172,  -181,  -129,  -130, -77,  -150, -114, -39,  12,   -122,
+      -9,   -11,  -46,   -21,   -4,    7,    -73,  -20,  -50,  -21,  -80,  -102,
+      2,    -103, -66,   -67,   -8,    -41,  -119, -26,  29,   -208, 3,    -108,
+      -34,  -228, 114,   -196,  -84,   -28,  1,    -109, -92,  77,   -169, -27,
+      48,   -12,  -79,   3,     -100,  -44,  -53,  13,   -103, -90,  -14,  -91,
+      -23,  -64,  -21,   -116}};
+
+struct Elevation {
+  /**
+   * An array of |count| impulse responses of 256 samples for the left ear.
+   * The impulse responses in each elevation are at equally spaced azimuths
+   * for a full 360 degree revolution, ordered clockwise from in front the
+   * listener.
+   */
+  const int16_t (*azimuths)[256];
+  int count;
+};
+
+/**
+ * irc_composite_c_r0195 is an array with each element containing data for one
+ * elevation.
+ */
+const Elevation irc_composite_c_r0195[] = {
+    {irc_composite_c_r0195_p315, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p315)},
+    {irc_composite_c_r0195_p330, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p330)},
+    {irc_composite_c_r0195_p345, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p345)},
+    {irc_composite_c_r0195_p000, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p000)},
+    {irc_composite_c_r0195_p015, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p015)},
+    {irc_composite_c_r0195_p030, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p030)},
+    {irc_composite_c_r0195_p045, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p045)},
+    {irc_composite_c_r0195_p060, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p060)},
+    {irc_composite_c_r0195_p075, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p075)},
+    {irc_composite_c_r0195_p090, MOZ_ARRAY_LENGTH(irc_composite_c_r0195_p090)}};
+
+const int irc_composite_c_r0195_first_elevation = -45;   /* degrees */
+const int irc_composite_c_r0195_elevation_interval = 15; /* degrees */
+const int irc_composite_c_r0195_sample_rate = 44100;     /* Hz */
diff --git a/dom/media/webaudio/blink/PeriodicWave.cpp b/dom/media/webaudio/blink/PeriodicWave.cpp
new file mode 100644
index 0000000000..52113a2d07
--- /dev/null
+++ b/dom/media/webaudio/blink/PeriodicWave.cpp
@@ -0,0 +1,353 @@
+/*
+ * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "PeriodicWave.h"
+#include <algorithm>
+#include <cmath>
+#include <limits>
+#include "mozilla/FFTBlock.h"
+
+const unsigned MinPeriodicWaveSize = 4096;  // This must be a power of two.
+const unsigned MaxPeriodicWaveSize = 8192;  // This must be a power of two.
+const float CentsPerRange = 1200 / 3;       // 1/3 Octave.
+
+using namespace mozilla;
+using mozilla::dom::OscillatorType;
+
+namespace WebCore {
+
+already_AddRefed<PeriodicWave> PeriodicWave::create(float sampleRate,
+                                                    const float* real,
+                                                    const float* imag,
+                                                    size_t numberOfComponents,
+                                                    bool disableNormalization) {
+  bool isGood = real && imag && numberOfComponents > 0;
+  MOZ_ASSERT(isGood);
+  if (isGood) {
+    RefPtr<PeriodicWave> periodicWave =
+        new PeriodicWave(sampleRate, numberOfComponents, disableNormalization);
+
+    // Limit the number of components used to those for frequencies below the
+    // Nyquist of the fixed length inverse FFT.
+    size_t halfSize = periodicWave->m_periodicWaveSize / 2;
+    numberOfComponents = std::min(numberOfComponents, halfSize);
+    periodicWave->m_numberOfComponents = numberOfComponents;
+    periodicWave->m_realComponents =
+        MakeUnique<AudioFloatArray>(numberOfComponents);
+    periodicWave->m_imagComponents =
+        MakeUnique<AudioFloatArray>(numberOfComponents);
+    memcpy(periodicWave->m_realComponents->Elements(), real,
+           numberOfComponents * sizeof(float));
+    memcpy(periodicWave->m_imagComponents->Elements(), imag,
+           numberOfComponents * sizeof(float));
+
+    return periodicWave.forget();
+  }
+  return nullptr;
+}
+
+already_AddRefed<PeriodicWave> PeriodicWave::createSine(float sampleRate) {
+  RefPtr<PeriodicWave> periodicWave =
+      new PeriodicWave(sampleRate, MinPeriodicWaveSize, false);
+  periodicWave->generateBasicWaveform(OscillatorType::Sine);
+  return periodicWave.forget();
+}
+
+already_AddRefed<PeriodicWave> PeriodicWave::createSquare(float sampleRate) {
+  RefPtr<PeriodicWave> periodicWave =
+      new PeriodicWave(sampleRate, MinPeriodicWaveSize, false);
+  periodicWave->generateBasicWaveform(OscillatorType::Square);
+  return periodicWave.forget();
+}
+
+already_AddRefed<PeriodicWave> PeriodicWave::createSawtooth(float sampleRate) {
+  RefPtr<PeriodicWave> periodicWave =
+      new PeriodicWave(sampleRate, MinPeriodicWaveSize, false);
+  periodicWave->generateBasicWaveform(OscillatorType::Sawtooth);
+  return periodicWave.forget();
+}
+
+already_AddRefed<PeriodicWave> PeriodicWave::createTriangle(float sampleRate) {
+  RefPtr<PeriodicWave> periodicWave =
+      new PeriodicWave(sampleRate, MinPeriodicWaveSize, false);
+  periodicWave->generateBasicWaveform(OscillatorType::Triangle);
+  return periodicWave.forget();
+}
+
+PeriodicWave::PeriodicWave(float sampleRate, size_t numberOfComponents,
+                           bool disableNormalization)
+    : m_sampleRate(sampleRate),
+      m_centsPerRange(CentsPerRange),
+      m_maxPartialsInBandLimitedTable(0),
+      m_normalizationScale(1.0f),
+      m_disableNormalization(disableNormalization) {
+  float nyquist = 0.5 * m_sampleRate;
+
+  if (numberOfComponents <= MinPeriodicWaveSize) {
+    m_periodicWaveSize = MinPeriodicWaveSize;
+  } else {
+    unsigned npow2 =
+        exp2f(floorf(logf(numberOfComponents - 1.0) / logf(2.0f) + 1.0f));
+    m_periodicWaveSize = std::min(MaxPeriodicWaveSize, npow2);
+  }
+
+  m_numberOfRanges = (unsigned)(3.0f * logf(m_periodicWaveSize) / logf(2.0f));
+  m_bandLimitedTables.SetLength(m_numberOfRanges);
+  m_lowestFundamentalFrequency = nyquist / maxNumberOfPartials();
+  m_rateScale = m_periodicWaveSize / m_sampleRate;
+}
+
+size_t PeriodicWave::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+
+  amount += m_bandLimitedTables.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_bandLimitedTables.Length(); i++) {
+    if (m_bandLimitedTables[i]) {
+      amount +=
+          m_bandLimitedTables[i]->ShallowSizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  return amount;
+}
+
+void PeriodicWave::waveDataForFundamentalFrequency(
+    float fundamentalFrequency, float*& lowerWaveData, float*& higherWaveData,
+    float& tableInterpolationFactor) {
+  // Negative frequencies are allowed, in which case we alias
+  // to the positive frequency.
+  fundamentalFrequency = fabsf(fundamentalFrequency);
+
+  // We only need to rebuild to the tables if the new fundamental
+  // frequency is low enough to allow for more partials below the
+  // Nyquist frequency.
+  unsigned numberOfPartials = numberOfPartialsForRange(0);
+  float nyquist = 0.5 * m_sampleRate;
+  if (fundamentalFrequency != 0.0) {
+    numberOfPartials =
+        std::min(numberOfPartials, (unsigned)(nyquist / fundamentalFrequency));
+  }
+  if (numberOfPartials > m_maxPartialsInBandLimitedTable) {
+    for (unsigned rangeIndex = 0; rangeIndex < m_numberOfRanges; ++rangeIndex) {
+      m_bandLimitedTables[rangeIndex] = 0;
+    }
+
+    // We need to create the first table to determine the normalization
+    // constant.
+    createBandLimitedTables(fundamentalFrequency, 0);
+    m_maxPartialsInBandLimitedTable = numberOfPartials;
+  }
+
+  // Calculate the pitch range.
+  float ratio = fundamentalFrequency > 0
+                    ? fundamentalFrequency / m_lowestFundamentalFrequency
+                    : 0.5;
+  float centsAboveLowestFrequency = logf(ratio) / logf(2.0f) * 1200;
+
+  // Add one to round-up to the next range just in time to truncate
+  // partials before aliasing occurs.
+  float pitchRange = 1 + centsAboveLowestFrequency / m_centsPerRange;
+
+  pitchRange = std::max(pitchRange, 0.0f);
+  pitchRange = std::min(pitchRange, static_cast<float>(m_numberOfRanges - 1));
+
+  // The words "lower" and "higher" refer to the table data having
+  // the lower and higher numbers of partials. It's a little confusing
+  // since the range index gets larger the more partials we cull out.
+  // So the lower table data will have a larger range index.
+  unsigned rangeIndex1 = static_cast<unsigned>(pitchRange);
+  unsigned rangeIndex2 =
+      rangeIndex1 < m_numberOfRanges - 1 ? rangeIndex1 + 1 : rangeIndex1;
+
+  if (!m_bandLimitedTables[rangeIndex1].get())
+    createBandLimitedTables(fundamentalFrequency, rangeIndex1);
+
+  if (!m_bandLimitedTables[rangeIndex2].get())
+    createBandLimitedTables(fundamentalFrequency, rangeIndex2);
+
+  lowerWaveData = m_bandLimitedTables[rangeIndex2]->Elements();
+  higherWaveData = m_bandLimitedTables[rangeIndex1]->Elements();
+
+  // Ranges from 0 -> 1 to interpolate between lower -> higher.
+  tableInterpolationFactor = rangeIndex2 - pitchRange;
+}
+
+unsigned PeriodicWave::maxNumberOfPartials() const {
+  return m_periodicWaveSize / 2;
+}
+
+unsigned PeriodicWave::numberOfPartialsForRange(unsigned rangeIndex) const {
+  // Number of cents below nyquist where we cull partials.
+  float centsToCull = rangeIndex * m_centsPerRange;
+
+  // A value from 0 -> 1 representing what fraction of the partials to keep.
+  float cullingScale = exp2(-centsToCull / 1200);
+
+  // The very top range will have all the partials culled.
+  unsigned numberOfPartials = cullingScale * maxNumberOfPartials();
+
+  return numberOfPartials;
+}
+
+// Convert into time-domain wave buffers.
+// One table is created for each range for non-aliasing playback
+// at different playback rates. Thus, higher ranges have more
+// high-frequency partials culled out.
+void PeriodicWave::createBandLimitedTables(float fundamentalFrequency,
+                                           unsigned rangeIndex) {
+  unsigned fftSize = m_periodicWaveSize;
+  unsigned i;
+
+  const float* realData = m_realComponents->Elements();
+  const float* imagData = m_imagComponents->Elements();
+
+  // This FFTBlock is used to cull partials (represented by frequency bins).
+  FFTBlock frame(fftSize);
+
+  // Find the starting bin where we should start culling the aliasing
+  // partials for this pitch range.  We need to clear out the highest
+  // frequencies to band-limit the waveform.
+  unsigned numberOfPartials = numberOfPartialsForRange(rangeIndex);
+  // Also limit to the number of components that are provided.
+  numberOfPartials = std::min(numberOfPartials, m_numberOfComponents - 1);
+
+  // Limit number of partials to those below Nyquist frequency
+  float nyquist = 0.5 * m_sampleRate;
+  if (fundamentalFrequency != 0.0) {
+    numberOfPartials =
+        std::min(numberOfPartials, (unsigned)(nyquist / fundamentalFrequency));
+  }
+
+  // Copy from loaded frequency data and generate complex conjugate
+  // because of the way the inverse FFT is defined.
+  // The coefficients of higher partials remain zero, as initialized in
+  // the FFTBlock constructor.
+  for (i = 0; i < numberOfPartials + 1; ++i) {
+    frame.RealData(i) = realData[i];
+    frame.ImagData(i) = -imagData[i];
+  }
+
+  // Clear any DC-offset.
+  frame.RealData(0) = 0;
+  // Clear value which has no effect.
+  frame.ImagData(0) = 0;
+
+  // Create the band-limited table.
+  m_bandLimitedTables[rangeIndex] =
+      MakeUnique<AlignedAudioFloatArray>(m_periodicWaveSize);
+
+  // Apply an inverse FFT to generate the time-domain table data.
+  float* data = m_bandLimitedTables[rangeIndex]->Elements();
+  frame.GetInverseWithoutScaling(data);
+
+  // For the first range (which has the highest power), calculate
+  // its peak value then compute normalization scale.
+  if (m_disableNormalization) {
+    // See Bug 1424906, results need to be scaled by 0.5 even
+    // when normalization is disabled.
+    m_normalizationScale = 0.5;
+  } else if (!rangeIndex) {
+    float maxValue;
+    maxValue = AudioBufferPeakValue(data, m_periodicWaveSize);
+
+    if (maxValue) m_normalizationScale = 1.0f / maxValue;
+  }
+
+  // Apply normalization scale.
+  AudioBufferInPlaceScale(data, m_normalizationScale, m_periodicWaveSize);
+}
+
+void PeriodicWave::generateBasicWaveform(OscillatorType shape) {
+  const float piFloat = float(M_PI);
+  unsigned fftSize = periodicWaveSize();
+  unsigned halfSize = fftSize / 2;
+
+  m_numberOfComponents = halfSize;
+  m_realComponents = MakeUnique<AudioFloatArray>(halfSize);
+  m_imagComponents = MakeUnique<AudioFloatArray>(halfSize);
+  float* realP = m_realComponents->Elements();
+  float* imagP = m_imagComponents->Elements();
+
+  // Clear DC and imag value which is ignored.
+  realP[0] = 0;
+  imagP[0] = 0;
+
+  for (unsigned n = 1; n < halfSize; ++n) {
+    float omega = 2 * piFloat * n;
+    float invOmega = 1 / omega;
+
+    // Fourier coefficients according to standard definition.
+    float a;  // Coefficient for cos().
+    float b;  // Coefficient for sin().
+
+    // Calculate Fourier coefficients depending on the shape.
+    // Note that the overall scaling (magnitude) of the waveforms
+    // is normalized in createBandLimitedTables().
+    switch (shape) {
+      case OscillatorType::Sine:
+        // Standard sine wave function.
+        a = 0;
+        b = (n == 1) ? 1 : 0;
+        break;
+      case OscillatorType::Square:
+        // Square-shaped waveform with the first half its maximum value
+        // and the second half its minimum value.
+        a = 0;
+        b = invOmega * ((n & 1) ? 2 : 0);
+        break;
+      case OscillatorType::Sawtooth:
+        // Sawtooth-shaped waveform with the first half ramping from
+        // zero to maximum and the second half from minimum to zero.
+        a = 0;
+        b = -invOmega * cos(0.5 * omega);
+        break;
+      case OscillatorType::Triangle:
+        // Triangle-shaped waveform going from its maximum value to
+        // its minimum value then back to the maximum value.
+        a = 0;
+        if (n & 1) {
+          b = 2 * (2 / (n * piFloat) * 2 / (n * piFloat)) *
+              ((((n - 1) >> 1) & 1) ? -1 : 1);
+        } else {
+          b = 0;
+        }
+        break;
+      default:
+        MOZ_ASSERT_UNREACHABLE("invalid oscillator type");
+        a = 0;
+        b = 0;
+        break;
+    }
+
+    realP[n] = a;
+    imagP[n] = b;
+  }
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/PeriodicWave.h b/dom/media/webaudio/blink/PeriodicWave.h
new file mode 100644
index 0000000000..fd4e50287c
--- /dev/null
+++ b/dom/media/webaudio/blink/PeriodicWave.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PeriodicWave_h
+#define PeriodicWave_h
+
+#include "mozilla/dom/OscillatorNodeBinding.h"
+#include "mozilla/UniquePtr.h"
+#include <nsTArray.h>
+#include "AlignedTArray.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace WebCore {
+
+typedef AlignedTArray<float> AlignedAudioFloatArray;
+typedef nsTArray<float> AudioFloatArray;
+
+using mozilla::UniquePtr;
+
+class PeriodicWave {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebCore::PeriodicWave);
+
+  static already_AddRefed<PeriodicWave> createSine(float sampleRate);
+  static already_AddRefed<PeriodicWave> createSquare(float sampleRate);
+  static already_AddRefed<PeriodicWave> createSawtooth(float sampleRate);
+  static already_AddRefed<PeriodicWave> createTriangle(float sampleRate);
+
+  // Creates an arbitrary periodic wave given the frequency components
+  // (Fourier coefficients).
+  static already_AddRefed<PeriodicWave> create(float sampleRate,
+                                               const float* real,
+                                               const float* imag,
+                                               size_t numberOfComponents,
+                                               bool disableNormalization);
+
+  // Returns pointers to the lower and higher wave data for the pitch range
+  // containing the given fundamental frequency. These two tables are in
+  // adjacent "pitch" ranges where the higher table will have the maximum
+  // number of partials which won't alias when played back at this
+  // fundamental frequency. The lower wave is the next range containing fewer
+  // partials than the higher wave. Interpolation between these two tables
+  // can be made according to tableInterpolationFactor. Where values
+  // from 0 -> 1 interpolate between lower -> higher.
+  void waveDataForFundamentalFrequency(float, float*& lowerWaveData,
+                                       float*& higherWaveData,
+                                       float& tableInterpolationFactor);
+
+  // Returns the scalar multiplier to the oscillator frequency to calculate
+  // wave buffer phase increment.
+  float rateScale() const { return m_rateScale; }
+
+  unsigned periodicWaveSize() const { return m_periodicWaveSize; }
+  float sampleRate() const { return m_sampleRate; }
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  explicit PeriodicWave(float sampleRate, size_t numberOfComponents,
+                        bool disableNormalization);
+  ~PeriodicWave() = default;
+
+  void generateBasicWaveform(mozilla::dom::OscillatorType);
+
+  float m_sampleRate;
+  unsigned m_periodicWaveSize;
+  unsigned m_numberOfRanges;
+  float m_centsPerRange;
+  unsigned m_numberOfComponents;
+  UniquePtr<AudioFloatArray> m_realComponents;
+  UniquePtr<AudioFloatArray> m_imagComponents;
+
+  // The lowest frequency (in Hertz) where playback will include all of the
+  // partials.  Playing back lower than this frequency will gradually lose
+  // more high-frequency information.
+  // This frequency is quite low (~10Hz @ // 44.1KHz)
+  float m_lowestFundamentalFrequency;
+
+  float m_rateScale;
+
+  unsigned numberOfRanges() const { return m_numberOfRanges; }
+
+  // Maximum possible number of partials (before culling).
+  unsigned maxNumberOfPartials() const;
+
+  unsigned numberOfPartialsForRange(unsigned rangeIndex) const;
+
+  // Creates table for specified index based on fundamental frequency.
+  void createBandLimitedTables(float fundamentalFrequency, unsigned rangeIndex);
+  unsigned m_maxPartialsInBandLimitedTable;
+  float m_normalizationScale;
+  bool m_disableNormalization;
+  nsTArray<UniquePtr<AlignedAudioFloatArray> > m_bandLimitedTables;
+};
+
+}  // namespace WebCore
+
+#endif  // PeriodicWave_h
diff --git a/dom/media/webaudio/blink/README b/dom/media/webaudio/blink/README
new file mode 100644
index 0000000000..96d209dfc8
--- /dev/null
+++ b/dom/media/webaudio/blink/README
@@ -0,0 +1,24 @@
+This directory contains the code originally borrowed from the Blink Web Audio
+implementation.  We are forking the code here because in many cases the burden
+of adopting Blink specific utilities is too large compared to the prospect of
+importing upstream fixes by just copying newer versions of the code in the
+future.
+
+The process of borrowing code from Blink is as follows:
+
+* Try to borrow utility classes only, and avoid borrowing code which depends
+  too much on the Blink specific utilities.
+* First, import the pristine files from the Blink repository before adding
+  them to the build system, noting the SVN revision of Blink from which the
+  original files were copied in the commit message.
+* In a separate commit, add the imported source files to the build system,
+  and apply the necessary changes to make it build successfully.
+* Use the code in a separate commit.
+* Never add headers as exported headers.  All headers should be included
+  using the following convention: #include "blink/Header.h".
+* Leave the imported code in the WebCore namespace, and import the needed
+  names into the Mozilla code via `using'.
+* Cherry-pick upsteam fixes manually when needed.  In case you fix a problem
+  that is not Mozilla specific locally, try to upstream your changes into
+  Blink.
+* Ping ehsan for any questions.
diff --git a/dom/media/webaudio/blink/Reverb.cpp b/dom/media/webaudio/blink/Reverb.cpp
new file mode 100644
index 0000000000..bd56a5af27
--- /dev/null
+++ b/dom/media/webaudio/blink/Reverb.cpp
@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "Reverb.h"
+#include "ReverbConvolverStage.h"
+
+#include <math.h>
+#include "ReverbConvolver.h"
+#include "mozilla/FloatingPoint.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+// Empirical gain calibration tested across many impulse responses to ensure
+// perceived volume is same as dry (unprocessed) signal
+const float GainCalibration = 0.00125f;
+const float GainCalibrationSampleRate = 44100;
+
+// A minimum power value to when normalizing a silent (or very quiet) impulse
+// response
+const float MinPower = 0.000125f;
+
+static float calculateNormalizationScale(const nsTArray<const float*>& response,
+                                         size_t aLength, float sampleRate) {
+  // Normalize by RMS power
+  size_t numberOfChannels = response.Length();
+
+  float power = 0;
+
+  for (size_t i = 0; i < numberOfChannels; ++i) {
+    float channelPower = AudioBufferSumOfSquares(response[i], aLength);
+    power += channelPower;
+  }
+
+  power = sqrt(power / (numberOfChannels * aLength));
+
+  // Protect against accidental overload
+  if (!std::isfinite(power) || std::isnan(power) || power < MinPower)
+    power = MinPower;
+
+  float scale = 1 / power;
+
+  scale *= GainCalibration;  // calibrate to make perceived volume same as
+                             // unprocessed
+
+  // Scale depends on sample-rate.
+  if (sampleRate) scale *= GainCalibrationSampleRate / sampleRate;
+
+  // True-stereo compensation
+  if (numberOfChannels == 4) scale *= 0.5f;
+
+  return scale;
+}
+
+Reverb::Reverb(const AudioChunk& impulseResponse, size_t maxFFTSize,
+               bool useBackgroundThreads, bool normalize, float sampleRate,
+               bool* aAllocationFailure) {
+  MOZ_ASSERT(aAllocationFailure);
+  size_t impulseResponseBufferLength = impulseResponse.mDuration;
+  float scale = impulseResponse.mVolume;
+
+  CopyableAutoTArray<const float*, 4> irChannels(
+      impulseResponse.ChannelData<float>());
+  AutoTArray<float, 1024> tempBuf;
+
+  if (normalize) {
+    scale = calculateNormalizationScale(irChannels, impulseResponseBufferLength,
+                                        sampleRate);
+  }
+
+  if (scale != 1.0f) {
+    bool rv = tempBuf.SetLength(
+        irChannels.Length() * impulseResponseBufferLength, mozilla::fallible);
+    *aAllocationFailure = !rv;
+    if (*aAllocationFailure) {
+      return;
+    }
+
+    for (uint32_t i = 0; i < irChannels.Length(); ++i) {
+      float* buf = &tempBuf[i * impulseResponseBufferLength];
+      AudioBufferCopyWithScale(irChannels[i], scale, buf,
+                               impulseResponseBufferLength);
+      irChannels[i] = buf;
+    }
+  }
+
+  *aAllocationFailure = !initialize(irChannels, impulseResponseBufferLength,
+                                    maxFFTSize, useBackgroundThreads);
+}
+
+size_t Reverb::sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+  amount += m_convolvers.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_convolvers.Length(); i++) {
+    if (m_convolvers[i]) {
+      amount += m_convolvers[i]->sizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  amount += m_tempBuffer.SizeOfExcludingThis(aMallocSizeOf, false);
+  return amount;
+}
+
+bool Reverb::initialize(const nsTArray<const float*>& impulseResponseBuffer,
+                        size_t impulseResponseBufferLength, size_t maxFFTSize,
+                        bool useBackgroundThreads) {
+  m_impulseResponseLength = impulseResponseBufferLength;
+
+  // The reverb can handle a mono impulse response and still do stereo
+  // processing
+  size_t numResponseChannels = impulseResponseBuffer.Length();
+  MOZ_ASSERT(numResponseChannels > 0);
+  // The number of convolvers required is at least the number of audio
+  // channels.  Even if there is initially only one audio channel, another
+  // may be added later, and so a second convolver is created now while the
+  // impulse response is available.
+  size_t numConvolvers = std::max<size_t>(numResponseChannels, 2);
+  m_convolvers.SetCapacity(numConvolvers);
+
+  int convolverRenderPhase = 0;
+  for (size_t i = 0; i < numConvolvers; ++i) {
+    size_t channelIndex = i < numResponseChannels ? i : 0;
+    const float* channel = impulseResponseBuffer[channelIndex];
+    size_t length = impulseResponseBufferLength;
+
+    bool allocationFailure;
+    UniquePtr<ReverbConvolver> convolver(
+        new ReverbConvolver(channel, length, maxFFTSize, convolverRenderPhase,
+                            useBackgroundThreads, &allocationFailure));
+    if (allocationFailure) {
+      return false;
+    }
+    m_convolvers.AppendElement(std::move(convolver));
+
+    convolverRenderPhase += WEBAUDIO_BLOCK_SIZE;
+  }
+
+  // For "True" stereo processing we allocate a temporary buffer to avoid
+  // repeatedly allocating it in the process() method. It can be bad to allocate
+  // memory in a real-time thread.
+  if (numResponseChannels == 4) {
+    m_tempBuffer.AllocateChannels(2);
+    WriteZeroesToAudioBlock(&m_tempBuffer, 0, WEBAUDIO_BLOCK_SIZE);
+  }
+  return true;
+}
+
+void Reverb::process(const AudioBlock* sourceBus, AudioBlock* destinationBus) {
+  // Do a fairly comprehensive sanity check.
+  // If these conditions are satisfied, all of the source and destination
+  // pointers will be valid for the various matrixing cases.
+  bool isSafeToProcess =
+      sourceBus && destinationBus && sourceBus->ChannelCount() > 0 &&
+      destinationBus->mChannelData.Length() > 0 &&
+      WEBAUDIO_BLOCK_SIZE <= MaxFrameSize &&
+      WEBAUDIO_BLOCK_SIZE <= size_t(sourceBus->GetDuration()) &&
+      WEBAUDIO_BLOCK_SIZE <= size_t(destinationBus->GetDuration());
+
+  MOZ_ASSERT(isSafeToProcess);
+  if (!isSafeToProcess) return;
+
+  // For now only handle mono or stereo output
+  MOZ_ASSERT(destinationBus->ChannelCount() <= 2);
+
+  float* destinationChannelL =
+      static_cast<float*>(const_cast<void*>(destinationBus->mChannelData[0]));
+  const float* sourceBusL =
+      static_cast<const float*>(sourceBus->mChannelData[0]);
+
+  // Handle input -> output matrixing...
+  size_t numInputChannels = sourceBus->ChannelCount();
+  size_t numOutputChannels = destinationBus->ChannelCount();
+  size_t numReverbChannels = m_convolvers.Length();
+
+  if (numInputChannels == 2 && numReverbChannels == 2 &&
+      numOutputChannels == 2) {
+    // 2 -> 2 -> 2
+    const float* sourceBusR =
+        static_cast<const float*>(sourceBus->mChannelData[1]);
+    float* destinationChannelR =
+        static_cast<float*>(const_cast<void*>(destinationBus->mChannelData[1]));
+    m_convolvers[0]->process(sourceBusL, destinationChannelL);
+    m_convolvers[1]->process(sourceBusR, destinationChannelR);
+  } else if (numInputChannels == 1 && numOutputChannels == 2 &&
+             numReverbChannels == 2) {
+    // 1 -> 2 -> 2
+    for (int i = 0; i < 2; ++i) {
+      float* destinationChannel = static_cast<float*>(
+          const_cast<void*>(destinationBus->mChannelData[i]));
+      m_convolvers[i]->process(sourceBusL, destinationChannel);
+    }
+  } else if (numInputChannels == 1 && numOutputChannels == 1) {
+    // 1 -> 1 -> 1 (Only one of the convolvers is used.)
+    m_convolvers[0]->process(sourceBusL, destinationChannelL);
+  } else if (numInputChannels == 2 && numReverbChannels == 4 &&
+             numOutputChannels == 2) {
+    // 2 -> 4 -> 2 ("True" stereo)
+    const float* sourceBusR =
+        static_cast<const float*>(sourceBus->mChannelData[1]);
+    float* destinationChannelR =
+        static_cast<float*>(const_cast<void*>(destinationBus->mChannelData[1]));
+
+    float* tempChannelL =
+        static_cast<float*>(const_cast<void*>(m_tempBuffer.mChannelData[0]));
+    float* tempChannelR =
+        static_cast<float*>(const_cast<void*>(m_tempBuffer.mChannelData[1]));
+
+    // Process left virtual source
+    m_convolvers[0]->process(sourceBusL, destinationChannelL);
+    m_convolvers[1]->process(sourceBusL, destinationChannelR);
+
+    // Process right virtual source
+    m_convolvers[2]->process(sourceBusR, tempChannelL);
+    m_convolvers[3]->process(sourceBusR, tempChannelR);
+
+    AudioBufferAddWithScale(tempChannelL, 1.0f, destinationChannelL,
+                            sourceBus->GetDuration());
+    AudioBufferAddWithScale(tempChannelR, 1.0f, destinationChannelR,
+                            sourceBus->GetDuration());
+  } else if (numInputChannels == 1 && numReverbChannels == 4 &&
+             numOutputChannels == 2) {
+    // 1 -> 4 -> 2 (Processing mono with "True" stereo impulse response)
+    // This is an inefficient use of a four-channel impulse response, but we
+    // should handle the case.
+    float* destinationChannelR =
+        static_cast<float*>(const_cast<void*>(destinationBus->mChannelData[1]));
+
+    float* tempChannelL =
+        static_cast<float*>(const_cast<void*>(m_tempBuffer.mChannelData[0]));
+    float* tempChannelR =
+        static_cast<float*>(const_cast<void*>(m_tempBuffer.mChannelData[1]));
+
+    // Process left virtual source
+    m_convolvers[0]->process(sourceBusL, destinationChannelL);
+    m_convolvers[1]->process(sourceBusL, destinationChannelR);
+
+    // Process right virtual source
+    m_convolvers[2]->process(sourceBusL, tempChannelL);
+    m_convolvers[3]->process(sourceBusL, tempChannelR);
+
+    AudioBufferAddWithScale(tempChannelL, 1.0f, destinationChannelL,
+                            sourceBus->GetDuration());
+    AudioBufferAddWithScale(tempChannelR, 1.0f, destinationChannelR,
+                            sourceBus->GetDuration());
+  } else {
+    MOZ_ASSERT_UNREACHABLE("Unexpected Reverb configuration");
+    destinationBus->SetNull(destinationBus->GetDuration());
+  }
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/Reverb.h b/dom/media/webaudio/blink/Reverb.h
new file mode 100644
index 0000000000..16459532a9
--- /dev/null
+++ b/dom/media/webaudio/blink/Reverb.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef Reverb_h
+#define Reverb_h
+
+#include "ReverbConvolver.h"
+#include "nsTArray.h"
+#include "AudioBlock.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/UniquePtr.h"
+
+namespace WebCore {
+
+using mozilla::UniquePtr;
+
+// Multi-channel convolution reverb with channel matrixing - one or more
+// ReverbConvolver objects are used internally.
+
+class Reverb {
+ public:
+  enum { MaxFrameSize = 256 };
+
+  // renderSliceSize is a rendering hint, so the FFTs can be optimized to not
+  // all occur at the same time (very bad when rendering on a real-time thread).
+  // aAllocation failure is to be checked by the caller. If false, internal
+  // memory could not be allocated, and this Reverb instance is not to be
+  // used.
+  Reverb(const mozilla::AudioChunk& impulseResponseBuffer, size_t maxFFTSize,
+         bool useBackgroundThreads, bool normalize, float sampleRate,
+         bool* aAllocationFailure);
+
+  void process(const mozilla::AudioBlock* sourceBus,
+               mozilla::AudioBlock* destinationBus);
+
+  size_t impulseResponseLength() const { return m_impulseResponseLength; }
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  bool initialize(const nsTArray<const float*>& impulseResponseBuffer,
+                  size_t impulseResponseBufferLength, size_t maxFFTSize,
+                  bool useBackgroundThreads);
+
+  size_t m_impulseResponseLength;
+
+  nsTArray<UniquePtr<ReverbConvolver> > m_convolvers;
+
+  // For "True" stereo processing
+  mozilla::AudioBlock m_tempBuffer;
+};
+
+}  // namespace WebCore
+
+#endif  // Reverb_h
diff --git a/dom/media/webaudio/blink/ReverbAccumulationBuffer.cpp b/dom/media/webaudio/blink/ReverbAccumulationBuffer.cpp
new file mode 100644
index 0000000000..ec745c294f
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbAccumulationBuffer.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ReverbAccumulationBuffer.h"
+#include "AudioNodeEngine.h"
+#include "mozilla/PodOperations.h"
+#include <algorithm>
+
+using namespace mozilla;
+
+namespace WebCore {
+
+ReverbAccumulationBuffer::ReverbAccumulationBuffer()
+    : m_readIndex(0), m_readTimeFrame(0) {}
+
+bool ReverbAccumulationBuffer::allocate(size_t length) {
+  if (!m_buffer.SetLength(length, fallible)) {
+    return false;
+  }
+  PodZero(m_buffer.Elements(), length);
+  return true;
+}
+
+void ReverbAccumulationBuffer::readAndClear(float* destination,
+                                            size_t numberOfFrames) {
+  size_t bufferLength = m_buffer.Length();
+  bool isCopySafe =
+      m_readIndex <= bufferLength && numberOfFrames <= bufferLength;
+
+  MOZ_ASSERT(isCopySafe);
+  if (!isCopySafe) return;
+
+  size_t framesAvailable = bufferLength - m_readIndex;
+  size_t numberOfFrames1 = std::min(numberOfFrames, framesAvailable);
+  size_t numberOfFrames2 = numberOfFrames - numberOfFrames1;
+
+  float* source = m_buffer.Elements();
+  memcpy(destination, source + m_readIndex, sizeof(float) * numberOfFrames1);
+  memset(source + m_readIndex, 0, sizeof(float) * numberOfFrames1);
+
+  // Handle wrap-around if necessary
+  if (numberOfFrames2 > 0) {
+    memcpy(destination + numberOfFrames1, source,
+           sizeof(float) * numberOfFrames2);
+    memset(source, 0, sizeof(float) * numberOfFrames2);
+  }
+
+  m_readIndex = (m_readIndex + numberOfFrames) % bufferLength;
+  m_readTimeFrame += numberOfFrames;
+}
+
+void ReverbAccumulationBuffer::accumulate(const float* source,
+                                          size_t numberOfFrames,
+                                          size_t* readIndex,
+                                          size_t delayFrames) {
+  size_t bufferLength = m_buffer.Length();
+
+  size_t writeIndex = (*readIndex + delayFrames) % bufferLength;
+
+  // Update caller's readIndex
+  *readIndex = (*readIndex + numberOfFrames) % bufferLength;
+
+  size_t framesAvailable = bufferLength - writeIndex;
+  size_t numberOfFrames1 = std::min(numberOfFrames, framesAvailable);
+  size_t numberOfFrames2 = numberOfFrames - numberOfFrames1;
+
+  float* destination = m_buffer.Elements();
+
+  bool isSafe = writeIndex <= bufferLength &&
+                numberOfFrames1 + writeIndex <= bufferLength &&
+                numberOfFrames2 <= bufferLength;
+  MOZ_ASSERT(isSafe);
+  if (!isSafe) return;
+
+  AudioBufferAddWithScale(source, 1.0f, destination + writeIndex,
+                          numberOfFrames1);
+  if (numberOfFrames2 > 0) {
+    AudioBufferAddWithScale(source + numberOfFrames1, 1.0f, destination,
+                            numberOfFrames2);
+  }
+}
+
+void ReverbAccumulationBuffer::reset() {
+  PodZero(m_buffer.Elements(), m_buffer.Length());
+  m_readIndex = 0;
+  m_readTimeFrame = 0;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/ReverbAccumulationBuffer.h b/dom/media/webaudio/blink/ReverbAccumulationBuffer.h
new file mode 100644
index 0000000000..8883a56a73
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbAccumulationBuffer.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ReverbAccumulationBuffer_h
+#define ReverbAccumulationBuffer_h
+
+#include "AlignedTArray.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace WebCore {
+
+// ReverbAccumulationBuffer is a circular delay buffer with one client reading
+// from it and multiple clients writing/accumulating to it at different delay
+// offsets from the read position.  The read operation will zero the memory just
+// read from the buffer, so it will be ready for accumulation the next time
+// around.
+class ReverbAccumulationBuffer {
+ public:
+  ReverbAccumulationBuffer();
+  // Returns false on failure.
+  bool allocate(size_t length);
+
+  // This will read from, then clear-out numberOfFrames
+  void readAndClear(float* destination, size_t numberOfFrames);
+
+  // Each ReverbConvolverStage will accumulate its output at the appropriate
+  // delay from the read position. We need to pass in and update readIndex here,
+  // since each ReverbConvolverStage may be running in a different thread than
+  // the realtime thread calling ReadAndClear() and maintaining m_readIndex
+  void accumulate(const float* source, size_t numberOfFrames, size_t* readIndex,
+                  size_t delayFrames);
+
+  size_t readIndex() const { return m_readIndex; }
+
+  size_t readTimeFrame() const { return m_readTimeFrame; }
+
+  void reset();
+
+  size_t sizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+    return m_buffer.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  }
+
+ private:
+  AlignedTArray<float, 16> m_buffer;
+  size_t m_readIndex;
+  size_t m_readTimeFrame;  // for debugging (frame on continuous timeline)
+};
+
+}  // namespace WebCore
+
+#endif  // ReverbAccumulationBuffer_h
diff --git a/dom/media/webaudio/blink/ReverbConvolver.cpp b/dom/media/webaudio/blink/ReverbConvolver.cpp
new file mode 100644
index 0000000000..6965a28535
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbConvolver.cpp
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ReverbConvolver.h"
+#include "ReverbConvolverStage.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+const int InputBufferSize = 8 * 16384;
+
+// We only process the leading portion of the impulse response in the real-time
+// thread.  We don't exceed this length. It turns out then, that the background
+// thread has about 278msec of scheduling slop. Empirically, this has been found
+// to be a good compromise between giving enough time for scheduling slop, while
+// still minimizing the amount of processing done in the primary (high-priority)
+// thread. This was found to be a good value on Mac OS X, and may work well on
+// other platforms as well, assuming the very rough scheduling latencies are
+// similar on these time-scales.  Of course, this code may need to be tuned for
+// individual platforms if this assumption is found to be incorrect.
+const size_t RealtimeFrameLimit = 8192 + 4096  // ~278msec @ 44.1KHz
+                                  - WEBAUDIO_BLOCK_SIZE;
+// First stage will have size MinFFTSize - successive stages will double in
+// size each time until we hit the maximum size.
+const size_t MinFFTSize = 256;
+// If we are using background threads then don't exceed this FFT size for the
+// stages which run in the real-time thread.  This avoids having only one or
+// two large stages (size 16384 or so) at the end which take a lot of time
+// every several processing slices.  This way we amortize the cost over more
+// processing slices.
+const size_t MaxRealtimeFFTSize = 4096;
+
+ReverbConvolver::ReverbConvolver(const float* impulseResponseData,
+                                 size_t impulseResponseLength,
+                                 size_t maxFFTSize, size_t convolverRenderPhase,
+                                 bool useBackgroundThreads,
+                                 bool* aAllocationFailure)
+    : m_impulseResponseLength(impulseResponseLength),
+      m_accumulationBuffer(),
+      m_inputBuffer(InputBufferSize),
+      m_backgroundThread("ConvolverWorker"),
+      m_backgroundThreadMonitor("ConvolverMonitor"),
+      m_useBackgroundThreads(useBackgroundThreads),
+      m_wantsToExit(false),
+      m_moreInputBuffered(false) {
+  *aAllocationFailure = !m_accumulationBuffer.allocate(impulseResponseLength +
+                                                       WEBAUDIO_BLOCK_SIZE);
+  if (*aAllocationFailure) {
+    return;
+  }
+  // For the moment, a good way to know if we have real-time constraint is to
+  // check if we're using background threads. Otherwise, assume we're being run
+  // from a command-line tool.
+  bool hasRealtimeConstraint = useBackgroundThreads;
+
+  const float* response = impulseResponseData;
+  size_t totalResponseLength = impulseResponseLength;
+
+  // The total latency is zero because the first FFT stage is small enough
+  // to return output in the first block.
+  size_t reverbTotalLatency = 0;
+
+  size_t stageOffset = 0;
+  size_t stagePhase = 0;
+  size_t fftSize = MinFFTSize;
+  while (stageOffset < totalResponseLength) {
+    size_t stageSize = fftSize / 2;
+
+    // For the last stage, it's possible that stageOffset is such that we're
+    // straddling the end of the impulse response buffer (if we use stageSize),
+    // so reduce the last stage's length...
+    if (stageSize + stageOffset > totalResponseLength) {
+      stageSize = totalResponseLength - stageOffset;
+      // Use smallest FFT that is large enough to cover the last stage.
+      fftSize = MinFFTSize;
+      while (stageSize * 2 > fftSize) {
+        fftSize *= 2;
+      }
+    }
+
+    // This "staggers" the time when each FFT happens so they don't all happen
+    // at the same time
+    int renderPhase = convolverRenderPhase + stagePhase;
+
+    UniquePtr<ReverbConvolverStage> stage(new ReverbConvolverStage(
+        response, totalResponseLength, reverbTotalLatency, stageOffset,
+        stageSize, fftSize, renderPhase, &m_accumulationBuffer));
+
+    bool isBackgroundStage = false;
+
+    if (this->useBackgroundThreads() && stageOffset > RealtimeFrameLimit) {
+      m_backgroundStages.AppendElement(std::move(stage));
+      isBackgroundStage = true;
+    } else
+      m_stages.AppendElement(std::move(stage));
+
+    // Figure out next FFT size
+    fftSize *= 2;
+
+    stageOffset += stageSize;
+
+    if (hasRealtimeConstraint && !isBackgroundStage &&
+        fftSize > MaxRealtimeFFTSize) {
+      fftSize = MaxRealtimeFFTSize;
+      // Custom phase positions for all but the first of the realtime
+      // stages of largest size.  These spread out the work of the
+      // larger realtime stages.  None of the FFTs of size 1024, 2048 or
+      // 4096 are performed when processing the same block.  The first
+      // MaxRealtimeFFTSize = 4096 stage, at the end of the doubling,
+      // performs its FFT at block 7.  The FFTs of size 2048 are
+      // performed in blocks 3 + 8 * n and size 1024 at 1 + 4 * n.
+      const uint32_t phaseLookup[] = {14, 0, 10, 4};
+      stagePhase = WEBAUDIO_BLOCK_SIZE *
+                   phaseLookup[m_stages.Length() % ArrayLength(phaseLookup)];
+    } else if (fftSize > maxFFTSize) {
+      fftSize = maxFFTSize;
+      // A prime offset spreads out FFTs in a way that all
+      // available phase positions will be used if there are sufficient
+      // stages.
+      stagePhase += 5 * WEBAUDIO_BLOCK_SIZE;
+    } else if (stageSize > WEBAUDIO_BLOCK_SIZE) {
+      // As the stages are doubling in size, the next FFT will occur
+      // mid-way between FFTs for this stage.
+      stagePhase = stageSize - WEBAUDIO_BLOCK_SIZE;
+    }
+  }
+
+  // Start up background thread
+  // FIXME: would be better to up the thread priority here.  It doesn't need to
+  // be real-time, but higher than the default...
+  if (this->useBackgroundThreads() && m_backgroundStages.Length() > 0) {
+    if (!m_backgroundThread.Start()) {
+      NS_WARNING("Cannot start convolver thread.");
+      return;
+    }
+    m_backgroundThread.message_loop()->PostTask(NewNonOwningRunnableMethod(
+        "WebCore::ReverbConvolver::backgroundThreadEntry", this,
+        &ReverbConvolver::backgroundThreadEntry));
+  }
+}
+
+ReverbConvolver::~ReverbConvolver() {
+  // Wait for background thread to stop
+  if (useBackgroundThreads() && m_backgroundThread.IsRunning()) {
+    m_wantsToExit = true;
+
+    // Wake up thread so it can return
+    {
+      MonitorAutoLock locker(m_backgroundThreadMonitor);
+      m_moreInputBuffered = true;
+      m_backgroundThreadMonitor.Notify();
+    }
+
+    m_backgroundThread.Stop();
+  }
+}
+
+size_t ReverbConvolver::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+  amount += m_stages.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_stages.Length(); i++) {
+    if (m_stages[i]) {
+      amount += m_stages[i]->sizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  amount += m_backgroundStages.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  for (size_t i = 0; i < m_backgroundStages.Length(); i++) {
+    if (m_backgroundStages[i]) {
+      amount += m_backgroundStages[i]->sizeOfIncludingThis(aMallocSizeOf);
+    }
+  }
+
+  // NB: The buffer sizes are static, so even though they might be accessed
+  //     in another thread it's safe to measure them.
+  amount += m_accumulationBuffer.sizeOfExcludingThis(aMallocSizeOf);
+  amount += m_inputBuffer.sizeOfExcludingThis(aMallocSizeOf);
+
+  // Possible future measurements:
+  // - m_backgroundThread
+  // - m_backgroundThreadMonitor
+  return amount;
+}
+
+void ReverbConvolver::backgroundThreadEntry() {
+  while (!m_wantsToExit) {
+    // Wait for realtime thread to give us more input
+    m_moreInputBuffered = false;
+    {
+      MonitorAutoLock locker(m_backgroundThreadMonitor);
+      while (!m_moreInputBuffered && !m_wantsToExit)
+        m_backgroundThreadMonitor.Wait();
+    }
+
+    // Process all of the stages until their read indices reach the input
+    // buffer's write index
+    int writeIndex = m_inputBuffer.writeIndex();
+
+    // Even though it doesn't seem like every stage needs to maintain its own
+    // version of readIndex we do this in case we want to run in more than one
+    // background thread.
+    int readIndex;
+
+    while ((readIndex = m_backgroundStages[0]->inputReadIndex()) !=
+           writeIndex) {  // FIXME: do better to detect buffer overrun...
+      // Accumulate contributions from each stage
+      for (size_t i = 0; i < m_backgroundStages.Length(); ++i)
+        m_backgroundStages[i]->processInBackground(this);
+    }
+  }
+}
+
+void ReverbConvolver::process(const float* sourceChannelData,
+                              float* destinationChannelData) {
+  const float* source = sourceChannelData;
+  float* destination = destinationChannelData;
+  bool isDataSafe = source && destination;
+  MOZ_ASSERT(isDataSafe);
+  if (!isDataSafe) return;
+
+  // Feed input buffer (read by all threads)
+  m_inputBuffer.write(source, WEBAUDIO_BLOCK_SIZE);
+
+  // Accumulate contributions from each stage
+  for (size_t i = 0; i < m_stages.Length(); ++i) m_stages[i]->process(source);
+
+  // Finally read from accumulation buffer
+  m_accumulationBuffer.readAndClear(destination, WEBAUDIO_BLOCK_SIZE);
+
+  // Now that we've buffered more input, wake up our background thread.
+
+  // Not using a MonitorAutoLock looks strange, but we use a TryLock() instead
+  // because this is run on the real-time thread where it is a disaster for the
+  // lock to be contended (causes audio glitching).  It's OK if we fail to
+  // signal from time to time, since we'll get to it the next time we're called.
+  // We're called repeatedly and frequently (around every 3ms).  The background
+  // thread is processing well into the future and has a considerable amount of
+  // leeway here...
+  if (m_backgroundThreadMonitor.TryLock()) {
+    m_moreInputBuffered = true;
+    m_backgroundThreadMonitor.Notify();
+    m_backgroundThreadMonitor.Unlock();
+  }
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/ReverbConvolver.h b/dom/media/webaudio/blink/ReverbConvolver.h
new file mode 100644
index 0000000000..8000ba811e
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbConvolver.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ReverbConvolver_h
+#define ReverbConvolver_h
+
+#include "ReverbAccumulationBuffer.h"
+#include "ReverbInputBuffer.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/UniquePtr.h"
+#ifdef LOG
+#  undef LOG
+#endif
+#include "base/thread.h"
+#include <atomic>
+
+namespace WebCore {
+
+using mozilla::UniquePtr;
+
+class ReverbConvolverStage;
+
+class ReverbConvolver {
+ public:
+  // maxFFTSize can be adjusted (from say 2048 to 32768) depending on how much
+  // precision is necessary. For certain tweaky de-convolving applications the
+  // phase errors add up quickly and lead to non-sensical results with larger
+  // FFT sizes and single-precision floats.  In these cases 2048 is a good size.
+  // If not doing multi-threaded convolution, then should not go > 8192.
+  ReverbConvolver(const float* impulseResponseData,
+                  size_t impulseResponseLength, size_t maxFFTSize,
+                  size_t convolverRenderPhase, bool useBackgroundThreads,
+                  bool* aAllocationFailure);
+  ~ReverbConvolver();
+
+  void process(const float* sourceChannelData, float* destinationChannelData);
+
+  size_t impulseResponseLength() const { return m_impulseResponseLength; }
+
+  ReverbInputBuffer* inputBuffer() { return &m_inputBuffer; }
+
+  bool useBackgroundThreads() const { return m_useBackgroundThreads; }
+  void backgroundThreadEntry();
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  nsTArray<UniquePtr<ReverbConvolverStage> > m_stages;
+  nsTArray<UniquePtr<ReverbConvolverStage> > m_backgroundStages;
+  size_t m_impulseResponseLength;
+
+  ReverbAccumulationBuffer m_accumulationBuffer;
+
+  // One or more background threads read from this input buffer which is fed
+  // from the realtime thread.
+  ReverbInputBuffer m_inputBuffer;
+
+  // Background thread and synchronization
+  base::Thread m_backgroundThread;
+  mozilla::Monitor m_backgroundThreadMonitor MOZ_UNANNOTATED;
+  bool m_useBackgroundThreads;
+  std::atomic<bool> m_wantsToExit;
+  std::atomic<bool> m_moreInputBuffered;
+};
+
+}  // namespace WebCore
+
+#endif  // ReverbConvolver_h
diff --git a/dom/media/webaudio/blink/ReverbConvolverStage.cpp b/dom/media/webaudio/blink/ReverbConvolverStage.cpp
new file mode 100644
index 0000000000..56354f0271
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbConvolverStage.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ReverbConvolverStage.h"
+
+#include "ReverbAccumulationBuffer.h"
+#include "ReverbConvolver.h"
+#include "ReverbInputBuffer.h"
+#include "mozilla/PodOperations.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+ReverbConvolverStage::ReverbConvolverStage(
+    const float* impulseResponse, size_t, size_t reverbTotalLatency,
+    size_t stageOffset, size_t stageLength, size_t fftSize, size_t renderPhase,
+    ReverbAccumulationBuffer* accumulationBuffer)
+    : m_accumulationBuffer(accumulationBuffer),
+      m_accumulationReadIndex(0),
+      m_inputReadIndex(0) {
+  MOZ_ASSERT(impulseResponse);
+  MOZ_ASSERT(accumulationBuffer);
+
+  m_fftKernel = MakeUnique<FFTBlock>(fftSize);
+  m_fftKernel->PadAndMakeScaledDFT(impulseResponse + stageOffset, stageLength);
+  m_fftConvolver = MakeUnique<FFTConvolver>(fftSize, renderPhase);
+
+  // The convolution stage at offset stageOffset needs to have a corresponding
+  // delay to cancel out the offset.
+  size_t totalDelay = stageOffset + reverbTotalLatency;
+
+  // But, the FFT convolution itself incurs latency, so subtract this out...
+  size_t fftLatency = m_fftConvolver->latencyFrames();
+  MOZ_ASSERT(totalDelay >= fftLatency);
+  totalDelay -= fftLatency;
+
+  m_postDelayLength = totalDelay;
+}
+
+size_t ReverbConvolverStage::sizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  size_t amount = aMallocSizeOf(this);
+
+  if (m_fftKernel) {
+    amount += m_fftKernel->SizeOfIncludingThis(aMallocSizeOf);
+  }
+
+  if (m_fftConvolver) {
+    amount += m_fftConvolver->sizeOfIncludingThis(aMallocSizeOf);
+  }
+
+  return amount;
+}
+
+void ReverbConvolverStage::processInBackground(ReverbConvolver* convolver) {
+  ReverbInputBuffer* inputBuffer = convolver->inputBuffer();
+  float* source =
+      inputBuffer->directReadFrom(&m_inputReadIndex, WEBAUDIO_BLOCK_SIZE);
+  process(source);
+}
+
+void ReverbConvolverStage::process(const float* source) {
+  MOZ_ASSERT(source);
+  if (!source) return;
+
+  // Now, run the convolution (into the delay buffer).
+  // An expensive FFT will happen every fftSize / 2 frames.
+  const float* output = m_fftConvolver->process(m_fftKernel.get(), source);
+
+  // Now accumulate into reverb's accumulation buffer.
+  m_accumulationBuffer->accumulate(output, WEBAUDIO_BLOCK_SIZE,
+                                   &m_accumulationReadIndex, m_postDelayLength);
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/ReverbConvolverStage.h b/dom/media/webaudio/blink/ReverbConvolverStage.h
new file mode 100644
index 0000000000..f770e76d45
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbConvolverStage.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ReverbConvolverStage_h
+#define ReverbConvolverStage_h
+
+#include "FFTConvolver.h"
+
+#include "nsTArray.h"
+#include "mozilla/FFTBlock.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/UniquePtr.h"
+
+namespace WebCore {
+
+using mozilla::FFTBlock;
+
+class ReverbAccumulationBuffer;
+class ReverbConvolver;
+
+// A ReverbConvolverStage represents the convolution associated with a
+// sub-section of a large impulse response. It incorporates a delay line to
+// account for the offset of the sub-section within the larger impulse response.
+class ReverbConvolverStage {
+ public:
+  // renderPhase is useful to know so that we can manipulate the pre versus post
+  // delay so that stages will perform their heavy work (FFT processing) on
+  // different slices to balance the load in a real-time thread.
+  ReverbConvolverStage(const float* impulseResponse, size_t responseLength,
+                       size_t reverbTotalLatency, size_t stageOffset,
+                       size_t stageLength, size_t fftSize, size_t renderPhase,
+                       ReverbAccumulationBuffer*);
+
+  // |source| must point to an array of WEBAUDIO_BLOCK_SIZE elements.
+  void process(const float* source);
+
+  void processInBackground(ReverbConvolver* convolver);
+
+  // Useful for background processing
+  int inputReadIndex() const { return m_inputReadIndex; }
+
+  size_t sizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ private:
+  mozilla::UniquePtr<FFTBlock> m_fftKernel;
+  mozilla::UniquePtr<FFTConvolver> m_fftConvolver;
+
+  ReverbAccumulationBuffer* m_accumulationBuffer;
+  size_t m_accumulationReadIndex;
+  int m_inputReadIndex;
+
+  size_t m_postDelayLength;
+
+  nsTArray<float> m_temporaryBuffer;
+};
+
+}  // namespace WebCore
+
+#endif  // ReverbConvolverStage_h
diff --git a/dom/media/webaudio/blink/ReverbInputBuffer.cpp b/dom/media/webaudio/blink/ReverbInputBuffer.cpp
new file mode 100644
index 0000000000..d6a69263c9
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbInputBuffer.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ReverbInputBuffer.h"
+#include "mozilla/PodOperations.h"
+
+using namespace mozilla;
+
+namespace WebCore {
+
+ReverbInputBuffer::ReverbInputBuffer(size_t length) : m_writeIndex(0) {
+  m_buffer.SetLength(length);
+  PodZero(m_buffer.Elements(), length);
+}
+
+void ReverbInputBuffer::write(const float* sourceP, size_t numberOfFrames) {
+  // m_writeIndex is atomic and checked by other threads, so only touch
+  // it at the start and end.
+  size_t bufferLength = m_buffer.Length();
+  size_t index = m_writeIndex;
+  size_t newIndex = index + numberOfFrames;
+
+  MOZ_RELEASE_ASSERT(newIndex <= bufferLength);
+
+  memcpy(m_buffer.Elements() + index, sourceP, sizeof(float) * numberOfFrames);
+
+  if (newIndex >= bufferLength) {
+    newIndex = 0;
+  }
+  m_writeIndex = newIndex;
+}
+
+float* ReverbInputBuffer::directReadFrom(int* readIndex,
+                                         size_t numberOfFrames) {
+  size_t bufferLength = m_buffer.Length();
+  bool isPointerGood = readIndex && *readIndex >= 0 &&
+                       *readIndex + numberOfFrames <= bufferLength;
+  MOZ_ASSERT(isPointerGood);
+  if (!isPointerGood) {
+    // Should never happen in practice but return pointer to start of buffer
+    // (avoid crash)
+    if (readIndex) *readIndex = 0;
+    return m_buffer.Elements();
+  }
+
+  float* sourceP = m_buffer.Elements();
+  float* p = sourceP + *readIndex;
+
+  // Update readIndex
+  *readIndex = (*readIndex + numberOfFrames) % bufferLength;
+
+  return p;
+}
+
+void ReverbInputBuffer::reset() {
+  PodZero(m_buffer.Elements(), m_buffer.Length());
+  m_writeIndex = 0;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/ReverbInputBuffer.h b/dom/media/webaudio/blink/ReverbInputBuffer.h
new file mode 100644
index 0000000000..93ef97a010
--- /dev/null
+++ b/dom/media/webaudio/blink/ReverbInputBuffer.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ReverbInputBuffer_h
+#define ReverbInputBuffer_h
+
+#include "nsTArray.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/MemoryReporting.h"
+
+namespace WebCore {
+
+// ReverbInputBuffer is used to buffer input samples for deferred processing by
+// the background threads.
+class ReverbInputBuffer {
+ public:
+  explicit ReverbInputBuffer(size_t length);
+
+  // The realtime audio thread keeps writing samples here.
+  // The assumption is that the buffer's length is evenly divisible by
+  // numberOfFrames (for nearly all cases this will be fine).
+  // FIXME: remove numberOfFrames restriction...
+  void write(const float* sourceP, size_t numberOfFrames);
+
+  // Background threads can call this to check if there's anything to read...
+  size_t writeIndex() const { return m_writeIndex; }
+
+  // The individual background threads read here (and hope that they can keep up
+  // with the buffer writing). readIndex is updated with the next readIndex to
+  // read from... The assumption is that the buffer's length is evenly divisible
+  // by numberOfFrames.
+  // FIXME: remove numberOfFrames restriction...
+  float* directReadFrom(int* readIndex, size_t numberOfFrames);
+
+  void reset();
+
+  size_t sizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
+    return m_buffer.ShallowSizeOfExcludingThis(aMallocSizeOf);
+  }
+
+ private:
+  nsTArray<float> m_buffer;
+  mozilla::Atomic<size_t, mozilla::ReleaseAcquire> m_writeIndex;
+};
+
+}  // namespace WebCore
+
+#endif  // ReverbInputBuffer_h
diff --git a/dom/media/webaudio/blink/ZeroPole.cpp b/dom/media/webaudio/blink/ZeroPole.cpp
new file mode 100644
index 0000000000..4d0888d758
--- /dev/null
+++ b/dom/media/webaudio/blink/ZeroPole.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ZeroPole.h"
+
+#include "DenormalDisabler.h"
+
+#include <cmath>
+#include <float.h>
+
+namespace WebCore {
+
+void ZeroPole::process(const float* source, float* destination,
+                       int framesToProcess) {
+  float zero = m_zero;
+  float pole = m_pole;
+
+  // Gain compensation to make 0dB @ 0Hz
+  const float k1 = 1 / (1 - zero);
+  const float k2 = 1 - pole;
+
+  // Member variables to locals.
+  float lastX = m_lastX;
+  float lastY = m_lastY;
+
+  for (int i = 0; i < framesToProcess; ++i) {
+    float input = source[i];
+
+    // Zero
+    float output1 = k1 * (input - zero * lastX);
+    lastX = input;
+
+    // Pole
+    float output2 = k2 * output1 + pole * lastY;
+    lastY = output2;
+
+    destination[i] = output2;
+  }
+
+// Locals to member variables. Flush denormals here so we don't
+// slow down the inner loop above.
+#ifndef HAVE_DENORMAL
+  if (lastX == 0.0f && lastY != 0.0f && fabsf(lastY) < FLT_MIN) {
+    // Flush future values to zero (until there is new input).
+    lastY = 0.0;
+
+    // Flush calculated values.
+    for (int i = framesToProcess; i-- && fabsf(destination[i]) < FLT_MIN;) {
+      destination[i] = 0.0f;
+    }
+  }
+#endif
+
+  m_lastX = lastX;
+  m_lastY = lastY;
+}
+
+}  // namespace WebCore
diff --git a/dom/media/webaudio/blink/ZeroPole.h b/dom/media/webaudio/blink/ZeroPole.h
new file mode 100644
index 0000000000..07f3f04f53
--- /dev/null
+++ b/dom/media/webaudio/blink/ZeroPole.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ZeroPole_h
+#define ZeroPole_h
+
+namespace WebCore {
+
+// ZeroPole is a simple filter with one zero and one pole.
+
+class ZeroPole {
+ public:
+  ZeroPole() : m_zero(0), m_pole(0), m_lastX(0), m_lastY(0) {}
+
+  void process(const float* source, float* destination, int framesToProcess);
+
+  // Reset filter state.
+  void reset() {
+    m_lastX = 0;
+    m_lastY = 0;
+  }
+
+  void setZero(float zero) { m_zero = zero; }
+  void setPole(float pole) { m_pole = pole; }
+
+  float zero() const { return m_zero; }
+  float pole() const { return m_pole; }
+
+ private:
+  float m_zero;
+  float m_pole;
+  float m_lastX;
+  float m_lastY;
+};
+
+}  // namespace WebCore
+
+#endif  // ZeroPole_h
diff --git a/dom/media/webaudio/blink/moz.build b/dom/media/webaudio/blink/moz.build
new file mode 100644
index 0000000000..5f00d01ed3
--- /dev/null
+++ b/dom/media/webaudio/blink/moz.build
@@ -0,0 +1,36 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES += [
+    "Biquad.cpp",
+    "DynamicsCompressor.cpp",
+    "DynamicsCompressorKernel.cpp",
+    "FFTConvolver.cpp",
+    "HRTFDatabase.cpp",
+    "HRTFDatabaseLoader.cpp",
+    "HRTFElevation.cpp",
+    "HRTFKernel.cpp",
+    "HRTFPanner.cpp",
+    "IIRFilter.cpp",
+    "PeriodicWave.cpp",
+    "Reverb.cpp",
+    "ReverbAccumulationBuffer.cpp",
+    "ReverbConvolver.cpp",
+    "ReverbConvolverStage.cpp",
+    "ReverbInputBuffer.cpp",
+    "ZeroPole.cpp",
+]
+
+# Are we targeting x86 or x64?  If so, build SSE2 files.
+if CONFIG["INTEL_ARCHITECTURE"]:
+    DEFINES["USE_SSE2"] = True
+
+include("/ipc/chromium/chromium-config.mozbuild")
+
+FINAL_LIBRARY = "xul"
+LOCAL_INCLUDES += [
+    "/dom/media/webaudio",
+]