[pulseaudio-discuss] State of the WebRTC AudioProcessing library?

Arun Raghavan arun at arunraghavan.net
Mon Mar 12 16:49:30 UTC 2018

Hey Tomaž

On Mon, 12 Mar 2018, at 2:58 PM, Tomaž Šolc wrote:
> Dear all,
> I've been recently looking into echo cancellation with Pulse Audio. 
> Unfortunately, the current module-echo-cancel doesn't work well for my 
> use case. I've looked into how to improve it and found that the echo 
> canceling code in the WebRTC AudioProcessing library has been copied 
> from webrtc and hasn't been updated since 2016.
> https://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing/
> On the other hand, it seems that audio processing code is very actively 
> developed in the webrtc upstream.
> https://webrtc.googlesource.com/src/+log/master/modules/audio_processing
> My question is about the state of WebRTC AudioProcessing library. Has it 
> been deprecated or are there any plans to keep updating the code from 
> upstream? I might spend some time trying to get the latest webrtc code 
> running in a Pulse Audio module. If I manage to update the library, 
> would you be interested in a patch?

I'm definitely up for updates to the library. The UPDATING.md file has some rudimentary instructions on what you need. I've got an intermediate update sitting on my laptop, you can find it at:



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