Originally Posted by
WAD62
I'm not sure what size the M-DAC's buffer is, however it's very obvious that the DAC is drawing it's data source from there, and there alone...so asynchronous, and subject to it's own timing constraints, which should theoretically remove jitter.
It's quite easy to see that the buffer is the soul source, there is a buffer level meter. Whenever there is a dropout in the buffer there is a dropout in the sound. If you try to use an SBTouch with an M-DAC without a USB hub you'll get plenty of these
With a hub it's solid at 50%
I can't speak for the M-DAC as I've not played with one. What I do know it that JPLAY users report gains in sound quality due to reductions in buffers on the PC side even with async DACs using their own internal buffers. It's one of those things that is strange; you'd think that once the data is lined up in a DAC's buffer the manner in which it arrived should not matter, therefore Foobar, Jriver, JPLAY etc should all sound 100% identical if setup bitperfect. But they don't.
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