| commit | 153f11e1b4825cb163116c1e8580881e2080a5b6 | [log] [tgz] |
|---|---|---|
| author | Alex Loiko <aleloi@webrtc.org> | Fri Feb 16 11:39:00 2018 |
| committer | Commit Bot <commit-bot@chromium.org> | Fri Feb 16 13:55:18 2018 |
| tree | 60f22ca2d88c9fe81a21a53a22d4548dc345a813 | |
| parent | e551dddf8b10ab2b8a2f57a93c258947d44b6777 [diff] |
AGC2-fixed-digital: Level Estimator This CL adds the Level Estimator of the new gain controller. The Level Estimator divides a 10ms input frame in kSubFramesInFrame=20 sub frames. We take the maximal sample values in every sub frame. We then apply attack/decay smoothing. This is the final level estimate. The results will be used with InterpolatedGainCurve (see this CL https://webrtc-review.googlesource.com/c/src/+/51920). For every level estimate value, we look up a gain with InterpolatedGainCurve::LookUpGainToApply. This gain is then applied to the signal. Bug: webrtc:7949 Change-Id: I2b4b3894a3e945d3dd916ce516c79abacb2b18b1 Reviewed-on: https://webrtc-review.googlesource.com/52381 Reviewed-by: Sam Zackrisson <saza@webrtc.org> Commit-Queue: Alex Loiko <aleloi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22054}
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