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Author SHA1 Message Date
Alessio Bazzica
ac1667d128 Reland "RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation." 
This reverts commit d38ce9f82402a995289b87e044125847d12eb658.

Reason for revert: land this first, then fix downstream

Original change's description:
> Revert "RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation."
> 
> This reverts commit 8fcd6537f242ffd74154a62dad410e573e2efc4b.
> 
> Reason for revert: broke internal projects.
> 
> Original change's description:
> > RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation.
> > 
> > Bug: webrtc:9577, webrtc:10480
> > Change-Id: I6d58866d48b8eaaa4102551b88d4f55133d1915c
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130482
> > Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
> > Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#27387}
> 
> TBR=gustaf@webrtc.org,alessiob@webrtc.org
> 
> Change-Id: Ia05057326ebc277f334b13db0bfec9d4442903c2
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: webrtc:9577, webrtc:10480
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130369
> Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
> Commit-Queue: Qingsi Wang <qingsi@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#27405}

TBR=gustaf@webrtc.org,alessiob@webrtc.org,qingsi@webrtc.org

Change-Id: I345f00d798fb67d0f02bf1e89319dac7f0287485
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:9577, webrtc:10480
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130516
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27407}
 2019-04-02 06:58:55 +00:00
Qingsi Wang
d38ce9f824 Revert "RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation." 
This reverts commit 8fcd6537f242ffd74154a62dad410e573e2efc4b.

Reason for revert: broke internal projects.

Original change's description:
> RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation.
> 
> Bug: webrtc:9577, webrtc:10480
> Change-Id: I6d58866d48b8eaaa4102551b88d4f55133d1915c
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130482
> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#27387}

TBR=gustaf@webrtc.org,alessiob@webrtc.org

Change-Id: Ia05057326ebc277f334b13db0bfec9d4442903c2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:9577, webrtc:10480
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130369
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Commit-Queue: Qingsi Wang <qingsi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27405}
 2019-04-01 20:31:09 +00:00
Alessio Bazzica
8fcd6537f2 RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation. 
Bug: webrtc:9577, webrtc:10480
Change-Id: I6d58866d48b8eaaa4102551b88d4f55133d1915c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130482
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27387}
 2019-04-01 10:39:42 +00:00
Alessio Bazzica
beb1d34729 AGC2 RNN VAD: Feature extraction. 
This CL finalizes the feature extraction part for the RNN VAD adding
a class that combines a high-pass filter, LP residual computation,
pitch estimation and spectral features extraction.

This CL also includes a minor refactoring of the pitch estimation
library.

Bug: webrtc:9076
Change-Id: I918b9e143bc6dd2bf508a891446067258a68a777
Reviewed-on: https://webrtc-review.googlesource.com/75504
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Alex Loiko <aleloi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23235}
 2018-05-15 10:02:20 +00:00
Alex Loiko
0520b0eb7b FFT-based auto correlation. 
During pitch search in the RNN VAD, we calculate auto
correlation. Before this CL, we computed kNumInvertedLags12kHz=147 dot
products of vectors with kBufSize12kHz-kMaxPitch12kHz=240
elements. This was the most time consuming step of the new VAD.

This CL makes the computation happen in frequency domain. Profiling
shows a 3x speed increase. In future, we can try using a more efficient
FFT and to reduce the FFT length to some of e.g. 400, 405, 432.

# For minimal Clang plugin check change.
TBR: kwiberg@webrtc.org

Bug: webrtc:9076
Change-Id: I688251a415869d53175a37f390f441d4e035d954
Reviewed-on: https://webrtc-review.googlesource.com/73366
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23171}
 2018-05-08 12:07:42 +00:00
Alessio Bazzica
f22550175b AGC2 RNN VAD: Pitch Search 
Functions to estimate pitch period and gain.

Bug: webrtc:9076
Change-Id: Icfe9430dcae11bdb96165c5bfe6e2b1d3bf848ab
Reviewed-on: https://webrtc-review.googlesource.com/70382
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23066}
 2018-04-30 10:20:39 +00:00