[pulseaudio-discuss] Unload echo-cancel devices

Lazar Doru ce_doru at yahoo.com
Fri Apr 12 00:07:26 PDT 2013

On Fri, 12 Apr 2013 10:32:49 +0530
Arun Raghavan <arun.raghavan at collabora.co.uk> wrote:

> > [..]
> You should just be setting the filter.want property to 'echo-cancel'
> and let PulseAudio manage loading the canceller where appropriate.
> Regards,
> Arun

Thanks for your answer. I am doing just that (upon stream creation I am
setting the filter.want and media.role properties) and PulseAudio 
successfully creates the echo-canceled streams. But my concern is that
the echo-canceled devices that were created are not destroyed when I
close my streams. That means that when I restart my application and
enumerate the devices the echo-canceled devices are still present. My
question was: can I manually remove those devices before I close my

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