On Mon, 2006-06-19 at 12:33 -0400, Chris Fisichella wrote:
> We have a radio station. We use ALSA to bring in a balanced, stereo 
> audio signal to ICES. Unfortunately, that stereo signal is reduced to 
> mono. That is what we are broadcasting. We can't figure out for the 
> life of us what is happening, so I have been digging around the 
> various software components to determine the problem.  Right now, 
> things seem to be pointing to alsaplayer. I do not know it well 
> enough to be sure, however.
> 
> Is there a way to tell ALSA not to do that?
> 

I don't think your problem is related to the automatic mono->stereo
upmixing that the default device does.  ALSA does not discard data like
that.

Does "arecord -f cd file.wav" record a mono or stereo signal?

What about "arecord -f cd | aplay"?

Lee



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