> It might be even worse.  The cards most likely have independent clock
> generators.  In such a case, there will be (slightly) different
> playback speed of left and right channels.

I've always wondered about this.  Fair enough that two cards would play
back sound at slightly different speeds, but why can't you just drop a
sample or two every few milliseconds or so, to keep the sound roughly in
sync?

Cheers,
Adam.


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