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I am using a beaglebone black with Arch Linux 3.8 kernel with Behringer / pcm2902E board. Playback works fine but when I try to record I get recognizable audio with a great deal of distortion. I was able to eliminate overruns after trying numerous buffer settings, but I still get the distortion or even pulsing. I currently have no .asound.conf file. I've heard there are different modes such as asyncronous and isyncronous. It almost sounds overdriven but I'm just using a home dvd player for source.
Can you give a sample asound.conf file or other ideas... thanks
Here is a sample command / buffer settings I'm using for now.
arecord -f dat -d 20 -t raw -D hw:0,0 -c 2 --buffer-time=1000000 | aplay -c 2 -t raw -D hw:0,0 -f dat
Recording raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
