[plug] Dual Sound cards

[bk]

On Wed, Jul 21, 1999 at 12:03:51PM +0800, Trevor Phillips wrote:
> bk wrote:
> > 
> > ALSA with OSS backward compatibility doesn't support the second DSP. Is
> > this what you were asking?
> 
> I was referring to "multiple dsp" support, on a single card, through software
> "rendering". For example, playing two MP3's simultaneously, even though the
> card only supports one stereo, by software mixing the two. Just wondering if
> and how to do this with Alsa...

mpg123 blah1.mp3
mpg123 -a 1 blah2.mp3

NOTE: the volume of both PCMs must be set (default is mute). mpg123 must
be recompiled against ALSA.

-David (bk at bofh.ns.ca).