Re: [alsa-devel] Fw: Using loopback card to Connect GSM two way call to the real sound card UDA1345TS

Srinivasan S wrote:

$ aplay -f dat -D VOUTL new.wav Playing WAVE 'new.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo aplay: set_params:1087: Channels count non available

You are trying to play a two-channel file on a single-channel device.

Regards, Clemens