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Reduce the amount of howling reduction in AEC3

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This CL backs off the howling protection functionality in AEC3.
The effect is increased transparency in some cases. No negative effects
have been identified in the hands-on testing.


A kill-switch is added that can be used to turn off the functionality.

Bug: b/150764764
Change-Id: I604c569c76f911799556a60bc8fd2fb43bbfe196
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/186082
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32258}
This commit is contained in:
Per Åhgren
2020-09-30 15:23:05 +02:00
committed by Commit Bot
parent 2a23bd276b
commit 2978abb88c
2 changed files with 8 additions and 2 deletions
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4
api/audio/echo_canceller3_config.h
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@ -215,8 +215,8 @@ struct RTC_EXPORT EchoCanceller3Config {
struct HighBandsSuppression {
float enr_threshold = 1.f;
float max_gain_during_echo = 1.f;
float anti_howling_activation_threshold = 25.f;
float anti_howling_gain = 0.01f;
float anti_howling_activation_threshold = 400.f;
float anti_howling_gain = 1.f;
} high_bands_suppression;
float floor_first_increase = 0.00001f;