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AEC3: Add additional transparency-related killswitches

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This CL adds two kill-switches to the AEC3 code to be used as
safe fallbacks to increase AEC transparency.

The changes have been shown to be bitexact for a test dataset.

Bug: webrtc:11487,chromium:1067597
Change-Id: I7f9f78db4964990bcdfa9adae6ef36a56bce7224
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/172840
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30998}
This commit is contained in:
Per Åhgren
2020-04-03 15:46:52 +02:00
committed by Commit Bot
parent f687d90f42
commit d9c51142bd
1 changed files with 12 additions and 0 deletions
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12
modules/audio_processing/aec3/echo_canceller3.cc
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@ -164,6 +164,18 @@ EchoCanceller3Config AdjustConfig(const EchoCanceller3Config& config) {
adjusted_cfg.suppressor.nearend_tuning.mask_lf.enr_suppress = 1.3f;
}
if (field_trial::IsEnabled(
"WebRTC-Aec3EnforceMoreTransparentNormalSuppressorHfTuning")) {
adjusted_cfg.suppressor.normal_tuning.mask_hf.enr_transparent = 0.3f;
adjusted_cfg.suppressor.normal_tuning.mask_hf.enr_suppress = 0.4f;
}
if (field_trial::IsEnabled(
"WebRTC-Aec3EnforceMoreTransparentNearendSuppressorHfTuning")) {
adjusted_cfg.suppressor.nearend_tuning.mask_hf.enr_transparent = 1.09f;
adjusted_cfg.suppressor.nearend_tuning.mask_hf.enr_suppress = 1.1f;
}
if (field_trial::IsEnabled(
"WebRTC-Aec3EnforceRapidlyAdjustingNormalSuppressorTunings")) {
adjusted_cfg.suppressor.normal_tuning.max_inc_factor = 2.5f;