[pulseaudio-discuss] Need help to enable echo cancel in pulseaudio

[ABDUL MOIZ]

Hi Alexander,

                     As adviced by you, I have uncommented "cpu-limit=no" in
daemon.conf file but still the same problem occurs.

Regards,
Abdul Moiz

On Mon, Jul 25, 2011 at 8:51 PM, Alexander E. Patrakov
<patrakov at gmail.com>wrote:

> ABDUL MOIZ wrote:
>
> > Hi,
> >
> >         Thanks for the reply.
> >
> >       Now I am able to run the pulseaudio daemon with echo cancel source
> >       and
> > sinks without any problem on my ubuntu desktop system. Now I want to
> > enable echo cancel module on my omap4 (PANDA) board. I followed the same
> > steps as i have done for ubuntu desktop. Pulseaudio daemon is working
> > fine but when i tried to load the Echo cancel module, the daemon is
> > getting killed.
>
> Echo cancellation is a very cpu-intensive process (even on my Core i5)
> that also involves floating-point operations. I think that omap4 is just
> not powerful enough to do echo cancellation in software, and I guess
> that's why your pulseaudio deamon is getting killed for running over the
> CPU time limit.
>
> Could you try to verify this theory by uncommenting the "cpu-limit = no"
> line in daemon.conf? This will lock up your omap4 board, though, if I
> guessed the reason correctly.
>
> --
> Alexander E. Patrakov
>
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