Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

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RE: SPDIF vs. XLR

Posted by Thorsten (M) on September 6, 2016 at 23:24:38

In Reply to: RE: SPDIF vs. XLR posted by Duster on September 6, 2016 at 11:24:07:

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.

Thor

At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to intolerable pain. Really, what more could we need?

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