Re: Output to 2 sound cards simultaneously

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On Fri, Sep 28, 2007 at 02:49:25PM +1000, Mark Constable wrote:
> On Friday 28 September 2007, Lee wrote:
> > > As a baseline, say I started with this, where could I go
> > > from here to get an app (ie; Amarok) to play back out two
> > > soundcards at once ?
> > 
> > It's one of those things that seems like it should be easy but is in
> > fact nearly impossible.  The problem is that the sound cards cannot be
> > kept in sync on the hardware level.
> 
> I can appreciate for input that would be a critical
> showstopper but for output it's not such a big deal.
> 
> I mainly want to start down the track of trying to
> understand asoundrc magic and I thought this would be
> a nice gentle and practical first step.
> 
> Could anyone offer an asoundrc recipe for me to work
> >from (seeing I obviously have no idea at all) ?
> 
> On 2007-09-28 14:43, david wrote:
> > Hmm, maybe you could play it to JACK and have JACK route it to both 
> > sound cards?
> 
> Can you suggest some apps or utilities for this purpose ?
> 
> I've tried to use Jack over the past few years but I
> mostly end up with a locked up machine. 

alsa_in and and alsa_out which can be found inside netjack can do this.
please spread the word.



-- 
torben Hohn
http://galan.sourceforge.net -- The graphical Audio language
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