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

Looking for serious reading material

Maybe you or someone else can point us to some specific technical papers on NCOs that describe various methods of implementation and include models and formulas describing and quantifying the jitter these generate. Without this basic knowledge one is in no position to evaluate manufacturer's specifications except by purchasing products and testing them, something that I'm in no position to do. Worse, without this knowledge one may not even be able to think of appropriate tests. (I do know some ways of implementing NCOs, but all the one's I've looked at wouldn't meet my standards of what is needed for high quality audio or are absurdly expensive, as with zillions of crystals.)

Note: I am not interested in manufacturer's spec sheets or technical white papers. I've looked at some of these and, like most spec sheets show specific information calculated to make the devices look good, e.g. numbers of "typical" devices (no guarantee as to the one you have) or RMS averages (no good description of how averaging was done or what the actual worst case behavior might be).

Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar


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