tree 5faf1cbb045fe777c5304596ffa2631955a5c55b
parent d5c77abbaa893f0940acf584ab1abfab1f14345f
author peah <peah@webrtc.org> 1492617820 -0700
committer Commit bot <commit-bot@chromium.org> 1492617820 +0000

Echo canceller 3 improvements for setups with headsets.

This CL improves the echo cancellation performance on setups where
headsets are used (systems with such low echo path gain
that no correlation between the render and capture signals
can be found) in 4 ways:
1) The echo path gain for systems with headsets is assumed to be
nonzero.
2) The stationary component of the render power is not included
in nonlinear echo power estimate.
3) The behavior after echo path gain changes is made less cautious.
4) The detection of systems with headsets is made more rapid.

BUG=chromium:712651, webrtc:6018

Review-Url: https://codereview.webrtc.org/2823903003
Cr-Commit-Position: refs/heads/master@{#17768}