On Sun, Apr 09, 2006 at 02:08:49PM -0700, James Richard Tyrer wrote:
> Tom Cook wrote:
> >Timestamps are not necessary. Audio is a synchronous data stream, so as
> >long as one sample follows another, it's all good.
> >
> >But still not good enough for live work. Any latency or skew will be a
> >killer.
>
> Time division is going to cause skew so you would have to use code
> division to run multiple channels through one wire (or fiber).
Not if you do simultaneous sampling. That's why a system that's
expandable by plugging multiple A/D boxes into a common data cable needs a
frame sync pulse. Also remember that, if the sampling rate is set to 192
KHz, the maximum possible skew is by definition only 5 uS.
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