ezkcdude;229635 Wrote: > David, I read the dCS paper, actually a long time ago. If you get time, > here is a paper by Ashihara et al. (in AES, 2005) that shows *random > jitter is not detected unless greater than several hundred nanoseconds > (ns)*: > > http://www.jstage.jst.go.jp/article/ast/26/1/26_50/_article > > So, I gave you some evidence that jitter must be in the ns range to be > audible. We know that jitter in most consumer devices is well below the > ns level these days. If you have some evidence that jitter in the > picosecond range (three orders of magnitude lower) is audible, please > let us know. Take your time, and get a good night's sleep. Not all kind of jitter are created equal: random jitter is innocuos as it does not degrades sound. Data correlated jitter is unfortunately another matter: this is the worst kind of jitter and this is the kind of jitter we are dealing with mostly when data and clock are travelling together from the transport to the DAC via SPDIF link . Cheers, Betton
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