
Reduce noise of the nearend spectrum estimation by averaging multiple frames. Bug: webrtc:9420,chromium:853699 Change-Id: Iad7e68b1209a369e263b2d892791943e42bfbb3f Reviewed-on: https://webrtc-review.googlesource.com/83960 Reviewed-by: Jesus de Vicente Pena <devicentepena@webrtc.org> Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23655}