AEC3: Adaptive handling of echo path with strong high-frequency gain
This CL adds adaptive handling of platforms where the echo path has
a strong gain above 10 kHz. A configurable offset is adaptively applied
depending on the amount of echo and mode of the echo suppressor.
Bug: webrtc:9663
Change-Id: I27dde6dc23b04a76a3be8c49d7fc9e226b9137e6
Reviewed-on: https://webrtc-review.googlesource.com/95947
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24448}diff --git a/api/audio/echo_canceller3_config.h b/api/audio/echo_canceller3_config.h
index 9a1510b..67fe755 100644
--- a/api/audio/echo_canceller3_config.h
+++ b/api/audio/echo_canceller3_config.h
@@ -183,6 +183,11 @@
int trigger_threshold = 15;
} dominant_nearend_detection;
+ struct HighBandsSuppression {
+ float enr_threshold = 1.f;
+ float max_gain_during_echo = 1.f;
+ } high_bands_suppression;
+
float floor_first_increase = 0.00001f;
bool enforce_transparent = false;
bool enforce_empty_higher_bands = false;