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

Clemens Ladisch clemens at ladisch.de
Tue Mar 10 10:50:17 UTC 2015

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.


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