Hi Arun, Can you pls send me the link of pulseaudio source code(with echo cancel) that has been tested and working fine on pandaboard. Thanks, Regards, Abdul Moiz <div class="gmail_quote">On Mon, Jul 25, 2011 at 8:54 PM, Arun Raghavan <<a href="mailto:arun.raghavan@collabora.co.uk">arun.raghavan@collabora.co.uk</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div class="im">On Mon, 2011-07-25 at 15:21 +0000, Alexander E. Patrakov 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. </div>Worth a shot, but from what I know, the echo-cancel module actually works fine on Pandaboards -- doesn't even drive up CPU scaling. -- Arun <div><div></div><div class="h5"> _______________________________________________ pulseaudio-discuss mailing list <a href="mailto:pulseaudio-discuss@lists.freedesktop.org">pulseaudio-discuss@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss" target="_blank">http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss</a> </div></div></blockquote></div>