[linux-audio-user] asoundrc and aplay

conrad berhörster conrad.berhoerster at gmx.de
Thu Feb 16 12:23:41 EST 2006


Hallo Clemens, 

Am Donnerstag 16 Februar 2006 15:53 schrieb Clemens Ladisch:
> conrad berh?rster wrote:
> > i'm want to use the asoundrc for my music production.
>
> Why?  What do you want to do that does not work with the default
> configuration?
well, i have 2 soundcards and want to capture from both at the same time with 
jack. i don't need sample sync (or such bad things ;=) ) only need the 
signal, each channel individual but into one app, i have written. 

>
> > if i try
> > aplay test.wav
> > everything went fine. but after
> > aplay -D hw:0,0 test.wav
> > i get
> > Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
> > Mono aplay: set_params:901: Channels count non available
>
> "hw" goes directly to the hardware, without automatic sample format
> conversion.  Your hardware cannot play mono data.
>
Well, how can i obtain a special channel. i thought hw:0,0 means first card, 
first channel. is this a general misunderstanding. 

thanks c~

>
> HTH
> Clemens



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