On Sun, 11 Jun 2006 21:05:01 +0100, Pooh Bear
wrote:

I'm interested in passing stereo audio over USB in both directions.

I believe that Windows already has a 16bit driver for this but I want 24bit.
Does this mean one has to write one's own ? It's slightly outside my area of
expertise. I'd aslo be interested in how Macs support this function.

Any general advice about implementing this, recommended chips etc is very
welcome. The quality needs to be high-end / professional rather than consumer
btw which I suspect means using separate A/D and D/As.

There's no shortage of affordable boxes that do this. Do you need to
re-invent it? I suppose you could take one apart and see what's in
it.