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Transparency improvements for AEC3 during call start and after resets

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This CL changes the AEC3 behavior to be more transparent when there 
is uncertainty about the amount of echo in the microphone signal.

Bug: webrtc:8398, chromium:774868
Change-Id: I88e681f8decd892f44397b753df371a1c4b90af0
Reviewed-on: https://webrtc-review.googlesource.com/10801
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20319}
This commit is contained in:
Per Åhgren
2017-10-15 20:19:21 +02:00
committed by Commit Bot
parent ede9ca5a24
commit 1b4059e84f
15 changed files with 199 additions and 118 deletions
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2
modules/audio_processing/aec3/render_delay_buffer.cc
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@ -106,7 +106,7 @@ RenderDelayBufferImpl::RenderDelayBufferImpl(size_t num_bands)
fft_buffer_(
optimization_,
num_bands,
std::max(kResidualEchoPowerRenderWindowSize, kAdaptiveFilterLength),
std::max(kUnknownDelayRenderWindowSize, kAdaptiveFilterLength),
std::vector<size_t>(1, kAdaptiveFilterLength)),
api_call_jitter_buffer_(num_bands),
zero_block_(num_bands, std::vector<float>(kBlockSize, 0.f)) {