[linux-audio-dev] Audio synchronization, MIDI API

[Jack O'Quin]

Steve Harris <S.W.Harris at ecs.soton.ac.uk> writes:

> On Wed, Aug 18, 2004 at 02:36:10 -0300, Nelson Posse Lago wrote:
> > If I understood it correctly, yes it does, but their concept of a
> > "network" is somewhat weird: it allows you to send data from one
> > machine to the other for remote processing, but it uses the
> > digital audio ports of the soundcards of the machines to pass
> > the audio data around (together with other data). Therefore, it
> > only works with audio cards with digital I/O and word clock.
> 
> It doesnt neccesarily require word clock, it depends if the card can sync
> to its digital i/o ports or not.
> 
> Th reason they do this ofcourse is so they can bypass the whole
> synchronisation nightmare and avoid resampling everything.

Synchronizing the A/D converters can also eliminate certain phase and
jitter problems that might otherwise occur.  You definitely wouldn't
want a pair of stereo channels coming in over differently-clocked
converters, for example.
-- 
  joq