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Reland "Reduce the amount of howling reduction in AEC3"

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This is a reland of 2978abb88c49362e296bdce3cb662f6255b17083

Original change's description:
> Reduce the amount of howling reduction in AEC3
>
> 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}

Bug: b/150764764
Change-Id: I277f24eb3288ad0307e7463bad9aea6436cfe879
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/186263
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32274}
This commit is contained in:
Per Åhgren
2020-09-30 15:23:05 +02:00
committed by Commit Bot
parent 082fac73be
commit 18515e2793
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;