Commit graph

8 commits

Author SHA1 Message Date
Jesús de Vicente Peña
836a7a2e4d AEC3: option for using the stationarity estimator at render from the beginning of the call
Bug: webrtc:9697
Change-Id: I2427e9e62505d27b0942fd6b2e38eee6d720f4f3
Reviewed-on: https://webrtc-review.googlesource.com/97081
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24513}
2018-08-31 17:07:02 +00:00
Jesús de Vicente Peña
496cedfe56 AEC3: Reverberation model: Changes on the decay estimation.
In this CL we have introduced changes on the estimation of the decay involved in the exponential modeling of the reverberation. Specifically, the instantaneous ERLE has been tracked and used for adapting faster in the regions when the linear filter is performing well. Furthermore, the adaptation is just perform during render activity.


Change-Id: I974fd60e4e1a40a879660efaa24457ed940f77b4
Bug: webrtc:9479
Reviewed-on: https://webrtc-review.googlesource.com/86680
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23836}
2018-07-04 10:04:32 +00:00
Danil Chapovalov
db9f7ab9f9 Replace rtc::Optional with absl::optional in modules/audio processing
This is a no-op change because rtc::Optional is an alias to absl::optional

This CL generated by running script with parameter 'modules/audio_processing'

find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+

find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"(../)*api:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;

git cl format

Bug: webrtc:9078
Change-Id: Id29f8de59dba704787c2c38a3d05c60827c181b0
Reviewed-on: https://webrtc-review.googlesource.com/83982
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23653}
2018-06-19 10:38:56 +00:00
Jesús de Vicente Peña
075cb2b2f7 AEC3: Changes to how the reverberation decay is applied.
In this work we introduce some changes on how the reverberation model for AEC3 is applied. Currently, the exponential modelling of the tails is applied over the linear echo estimates. That might result  in an overestimation of the reverberation tails under certain conditions. In this work, the reverberation model is instead applied over an estimate of the energies at the tails of the linear estimate.

Additionally, the stationary estimator is changed so it does not disable the aec immediately after a burst of activity.

Bug: webrtc:9384,webrtc:9400,chromium:852257
Change-Id: Ia486694ed326cfe231fc688877c0b9b6e2c450ff
Reviewed-on: https://webrtc-review.googlesource.com/82161
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23599}
2018-06-13 14:54:04 +00:00
Jesús de Vicente Peña
2f2633d90c AEC3: Audility: Avoid the initialization of the noise estimator in pure zeroes signals at the render.
Bug: webrtc:9193,chromium:836790
Change-Id: Ic162dd72947f1d075b55df6725a17b66c782930a
Reviewed-on: https://webrtc-review.googlesource.com/73200
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23075}
2018-05-02 10:19:46 +00:00
Jesús de Vicente Peña
9558192711 AEC3: Removing the need of a buffer for the stationarity estimator of the render signal.
Change-Id: I6983e1d8bdd048a5d92209e3023c687f82d383d5

Bug: webrtc:9193,chromium:836790
Change-Id: I6983e1d8bdd048a5d92209e3023c687f82d383d5
Reviewed-on: https://webrtc-review.googlesource.com/72760
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23065}
2018-04-30 09:03:19 +00:00
Jesús de Vicente Peña
dc872b6be1 AEC3: Audibility: improvements on the initial noise estimation
Bug: webrtc:9193,chromium:836790
Change-Id: I589082a18a4a5d1ba5abc170b6cf49d1f545b6cc
Reviewed-on: https://webrtc-review.googlesource.com/72480
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23027}
2018-04-25 16:19:43 +00:00
Jesús de Vicente Peña
d5cb477576 AEC3: Audibility improvements
This CL is created from a work initiated at https://webrtc-review.googlesource.com/c/src/+/61160

The purpose of this work is to improve the performance of the echo canceler (AEC3) when the farend signal contains stationary noises:
- An stationarity estimator of the farend signal has been added for detecting the portions of the farend signal that are pure noise.
- When the echo canceler deals with a portion of the signal that contains basically noise, the echo suppressor is able to back-off and avoid the fading of the nearend speech.

Change-Id: Id4b87fc59f4765bf1fca36d1cab39a49aabe104a
Bug: webrtc:9193,chromium:836790
Reviewed-on: https://webrtc-review.googlesource.com/64141
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23024}
2018-04-25 13:52:03 +00:00