Re: Quality of CoreAudio SRC
Re: Quality of CoreAudio SRC
- Subject: Re: Quality of CoreAudio SRC
- From: Andy Peters <email@hidden>
- Date: Fri, 1 Feb 2008 13:01:39 -0700
On Jan 31, 2008, at 10:52 PM, Brian Willoughby wrote:
I am surprised that Benchmark chose USB, since that interface
requires jitter removal. No matter how good your jitter removal,
it's never as good as a local, crystal clock. As I understand, a
FireWire bus master audio interface could set it's sample clock from
an internal crystal, without need for jitter removal. The interface
would then control the timing of the data transfer separate from the
DAC clock. However, I have no idea whether such a FireWire device
fits within the standard FireWire audio spec, or if it would require
a custom driver. According to Dan Lavry, FireWire is too expensive
to develop for, although with his prices I don't see how it would be
much different.
One problem with FireWire is that unless you're willing to buy tens of
thousands of parts a year, TI won't even talk to you about using their
FireWire device parts.
-a
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