afef7a74a7
This change introduces a new Hidden Markov Model based classifier for AEC3's 'transparent mode'. Transparent mode is used with headsets/headphones where the speaker signal does not leak into the microphone signal. The current classifier suffers from two problems: 1. It sometimes takes a long time to enter transparent mode. 2. Sometimes transparent mode is left (and it once again takes a long time to re-enter). Both problems have a severe effect on AEC transparency. The new classifier enters transparent mode quicker and is less likely to exit transparent mode when there is no echo. This improves the audio experience when using headset/headphones. Another (minor) benefit of this change is that when transparent mode is disabled no classifier is run (or even created) saving some memory and CPU cycles. Bug: webrtc:10232 Change-Id: I509af0e22b59463aeaead53c78c35be1e97fe8c3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/184500 Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Reviewed-by: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32182}
WebRTC is a free, open software project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimized to best serve this purpose.
Our mission: To enable rich, high-quality RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.
The WebRTC initiative is a project supported by Google, Mozilla and Opera, amongst others.
Development
See here for instructions on how to get started developing with the native code.
Authoritative list of directories that contain the native API header files.
More info
- Official web site: http://www.webrtc.org
- Master source code repo: https://webrtc.googlesource.com/src
- Samples and reference apps: https://github.com/webrtc
- Mailing list: http://groups.google.com/group/discuss-webrtc
- Continuous build: http://build.chromium.org/p/client.webrtc
- Coding style guide
- Code of conduct