On Fri, Aug 31, 2012 at 9:19 AM, Zixns <alexduthil@gmail.com> wrote:

so if understand, a single audio stream is coming from the software mixer,
which mixes multiple stream from different sources, and transfered using the
PCM interface to th kernel and then to the hardware ? the software mixing in
alsa is done by dmix i guess ?

ALSA can do that, but its not widely used.

most linux music-creation and pro-audio applications use JACK rather than ALSA.