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AEC3: Adaptive handling of echo path with strong high-frequency gain

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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}
This commit is contained in:
Per Åhgren
2018-08-27 14:19:35 +02:00
committed by Commit Bot
parent 01a89904c0
commit fde4aa9909
6 changed files with 114 additions and 67 deletions
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8
modules/audio_processing/test/audio_processing_simulator.cc
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@ -367,6 +367,14 @@ class Aec3ParametersParser {
&cfg.suppressor.dominant_nearend_detection.trigger_threshold);
}
if (rtc::GetValueFromJsonObject(section, "high_bands_suppression",
&subsection)) {
ReadParam(subsection, "enr_threshold",
&cfg.suppressor.high_bands_suppression.enr_threshold);
ReadParam(subsection, "max_gain_during_echo",
&cfg.suppressor.high_bands_suppression.max_gain_during_echo);
}
ReadParam(section, "floor_first_increase",
&cfg.suppressor.floor_first_increase);
ReadParam(section, "enforce_transparent",