On Fri, 2011-05-27 at 09:13 -0700, Baek Chang wrote: [...] > Well there was a lot of feedback, I was essentially doing an arecord > and piping that to play, so a loopback test from mic to speakers. > I am on Qualcomm soc. First try to get rid of the feedback and switch to 8 or 16 kHz. If you see a lot of messages about dropped samples, chances are that the timing information from your ALSA driver is inaccurate. [...] > No, the voip stack should be at 8 or 16kHz like you said, I was just > trying this without voip and it was set up at 44.1kHz. I can try it > at 8kHz mono and see if this improves the cpu usage and echo. It definitely will improve CPU usage. Hopefully echo levels as well. I think it might be good to spit out a warning for rates >16 kHz, or even make 16 kHz + mono the default. -- Arun
