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In Reply to: RE: SPDIF vs. XLR posted by Thorsten on September 06, 2016 at 06:48:12
The Sabre DAC chip features a built-in S/PDIF decoder with inherently low jitter. It's actually a primary reason why I chose a Sabre DAC, since I don't use the DAC for a typical USB application.
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Follow Ups:
Hi,
> The Sabre DAC chip features a built-in S/PDIF decoder with
> inherently low jitter.
Nope, it doesn't.
It features an SPDIF decoder with absolutely no jitter rejection whatsoever (meaning it's output has nanoseconds of jitter) and follows it with an asynchronous sample rate converter that attempts to clean that mess up.
That is not quite the same as "low inherent jitter". Heck, it's a whole other ketle of fish.
Many of those who have experimented with the Sabre find it performs better if the ASRC is placed in bypass mode by making the Sabre's clock linked to the source, even if measured jitter increases, but especially if jitter levels can be kept as low as if employing the ASRC.
But what matters in the end is that you enjoy the music.
Ciao T
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to untolerable pain. Really, what more could we need?
Fair enough. I misinterpreted the information. My impression was that the built-in S/PDIF decoder of the DAC chip helps to provide beneficial jitter reduction. Nonetheless, the Sabre DAC design is said to involve effective jitter reduction circuitry/methods.
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