Original CL: https://webrtc-review.googlesource.com/c/src/+/101340
A (actually several weeks) while ago, we noticed an error with the
WebRTC.Audio.Agc2.EstimatedNoiseLevel histogram. It always reported
the value 0. Here is why:
The histogram bins go from 0 to 100. But the value logged is dBFS. It
is always less than or equal to 0. This CL changes inverts the value
logged. The noise level value should be somewhere between -90 and 0
dBFS.
The histogram description is updated in
https://chromium-review.googlesource.com/c/chromium/src/+/1264578
Bug: webrtc:7494
Change-Id: I0b53630d4284ce1078fd453e05e89ee53ca9f6c7
Reviewed-on: https://webrtc-review.googlesource.com/c/104063
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25021}
f2637a8d6f