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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc')
-rw-r--r-- | third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc b/third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc new file mode 100644 index 0000000000..7bf18346f9 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_processing/ns/suppression_params.cc @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/audio_processing/ns/suppression_params.h" + +#include "rtc_base/checks.h" + +namespace webrtc { + +SuppressionParams::SuppressionParams( + NsConfig::SuppressionLevel suppression_level) { + switch (suppression_level) { + case NsConfig::SuppressionLevel::k6dB: + over_subtraction_factor = 1.f; + // 6 dB attenuation. + minimum_attenuating_gain = 0.5f; + use_attenuation_adjustment = false; + break; + case NsConfig::SuppressionLevel::k12dB: + over_subtraction_factor = 1.f; + // 12 dB attenuation. + minimum_attenuating_gain = 0.25f; + use_attenuation_adjustment = true; + break; + case NsConfig::SuppressionLevel::k18dB: + over_subtraction_factor = 1.1f; + // 18 dB attenuation. + minimum_attenuating_gain = 0.125f; + use_attenuation_adjustment = true; + break; + case NsConfig::SuppressionLevel::k21dB: + over_subtraction_factor = 1.25f; + // 20.9 dB attenuation. + minimum_attenuating_gain = 0.09f; + use_attenuation_adjustment = true; + break; + default: + RTC_DCHECK_NOTREACHED(); + } +} + +} // namespace webrtc |