The last good kernel for audio is version 3.1 --amit
On Sun, Feb 17, 2013 at 12:20 PM, tkl <[email protected]> wrote: > Hallo, > I use a mini2440 with 128 mb ram and the actual pengutronix bsp with > kernel 3.7.7-ptx-master. > To the ptxconfig.qt I add an apache2 webserver and an openssh server. The > rest is the standard configuration. > If I try to play or record audio with alsa (aplay/arecord) the result is > scrambled. There is a continuous clicking noise with an interval of > approximate 500ms . Between the clicking noise the audio is ok. > > What I do is the following: > - alsamixer -> set input mux to both, higher mic & mic sensitivity > controller > - arecord -f S16_LE -r 8000 -c 1 test.wav > > If I play the recorded file on my pc I have that clicking noise (I can > upload an example - it has app. 80kB but I'm not sure if this is allowed). > > top ( and also the qt test app) means, that arecord uses app. 3.5% mem and > 2.0 % cpu. > > Does anyone have an idea what the problem is? > > Regards, > Thomas > >
