I'm just an old EE design guy, but hey.

If you are going to describe a certain phenomenon, not a good idea to use a term that has already been established as meaning something else, eh?

Even though you did not specify it as "clock" jitter, the term has been truncated through the marvels of a living language and it is risky to use the term "jitter" to decribe a phenomenon heard that is not related to clock jitter.

But then, the Engineer in me also cringes when examples are not inputs able to be truly analyzed, as well. For example, I would want to introduce some sounds that are controlled and perform some empirical measurement testing to proof what I hear. Perhaps a generated tone set that is consistent from test to test, with good analysis softwares or better yet, dedicated hardware measuring equipments, NIST traceable.

Comparisons of A -> B in the various iterations.

And then, after establishing the available Base Level measurements, I would also want to expose those with the hearing claims to the good old fashioned Blindfold Testing as well.

These kind of situations always interest me, for such might be the basis for ways to improve current methods. If empirical proofs could be isolated.

Awhile back there was a fellow in Austria who was supposedly a Stradivarius Violin expert and marketer.

He's in jail.

It seems that he sold quite a few violins as being Strads - and it turned out that they were made of wood that came from recently harvested trees, using automated methods.

Those violins were not worth the millions that a Strad can bring, yet even whole symphony orchestras were suckered into his deals. The fiddles turned out to be worth no more than about 2,000 bucks each.

Yet not a single player out of the bunch noticed anything different about the way the violins played and sounded.

Only after they were told that these violins were fakes - then all of a sudden these golden-eared trained violinists began to back-pedal with statements such as, "I always thought there was something slightly different about that violin..."



--Mac

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