[alsa-devel] Playing multiple sounds at the same time

Raymond Yau superquad.vortex2 at gmail.com
Tue May 4 04:34:59 CEST 2010


2010/4/30 Mark Brown <broonie at opensource.wolfsonmicro.com>

> On Fri, Apr 30, 2010 at 12:38:49PM +0200, Andreas Falkenhahn wrote:
>
> > Now I want to play sounds 1 to 3 at the same time. My question is now:
> Can
> > ALSA do automatic mixing for me here or do I have to do the mixing on my
> > own? In other words, can I simply feed all these three sound streams to
> > ALSA or do I have to mix them into a fourth audio stream first and
> feeding
> > this new fourth stream to ALSA then?
>
> The easiest thing for your application is to just open and play multiple
> audio streams and allow a system mixing daemon such as PulseAudio to
> take care of the mixing.
>
>
Are you sure that your program can connect to PA server multilple times ?


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