Alan Corey wrote: > arecord -f S16_LE -d 10 -r 16000 --channels=1 --device="hw:2,0" /tmp/test-mic.wav > Recording WAVE '/tmp/test-mic.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono > arecord: set_params:1345: Channels count non available I suspect recording always uses channels. Please show the contents of /proc/asound/card2/stream0. Regards, Clemens _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user