Re: Recording audio while simultaneously playing

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Maurus Cuelenaere wrote:
> I got the loopback device working (sending audio through it and
> recording it on the other side):
>
> $ aplay -D loopback a2002011001-e02.wav
> Playing WAVE 'a2002011001-e02.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
> $ aplay -D tv out.wav
> Playing WAVE 'out.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
>
> However when trying to play audio through a multi device, I get the
> following error:
>
> $ aplay -D monitor a2002011001-e02.wav
> Playing WAVE 'a2002011001-e02.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
> aplay: pcm_params.c:170: snd1_pcm_hw_param_get_min: Assertion `!snd_interval_empty(i)' failed.

Add the -v parameter to aplay; what buffer/period sizes are the loopback
and tv devices using?  Can you force them to use sizes that both devices
support?


Regards,
Clemens

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