One of the things that comes to mind re: measurements vs. what people believe they here is to apply certain qualities to the device that absolute drive me bonkers - because there is no way they can be engineered into it.
One of the big examples I always hear - "musicality". How the heck do you engineer that? - if you see that in your design requirements... how the heck do you go about it ???!!!!
It's one of those terms that in my mind subjective reviewers have come up with, taken from similar approaches in schools of subjective reviews in other industries, the wine industry, for example - I literally saw one wine review where the wine was described as "whimsical"
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However, we are used to it however nonsensical it is. And this is something we would no accept when the stakes are higher. Lemme give you an example - before my current gig (now I do interwebs stuff) I used to design and test medical devices, the monitoring kind, not the poke, prod or get stuff in or out of you kind. We looked for the various waves (signals) implied in body functions and use that to get the data. Very similar to audio processing in that we care about similar things, like THD, noise floor etc in a low freq signal. Guess what we did to test those things? MEASURE. If measured data was within tolerances, we were ready to trust the thing to look over a HUMAN LIFE.
Why do I mention this (and apologies for stating the obvious, I know peeps are pretty advanced here)? Because looking for "Musicality" in a DAC makes as little sense as looking for EMPATHY on a medical device... sure, it's kind of related, but obviously not really... you cannot design for empathy and you cannot design for musicality. You design to the best of your abilities and properly done measurements (as part of the test spec/test plan cycle) will tell you how you did...
I kind of like Paul - however nothing to do with his views. He does freely admit that he smoked plenty of... stuff in his youth so well... that said, at first I was shocked that someone that does what he does (design electronics) would believe that green marker on CDs would make a sound difference, as he stated in one of his videos.
ah well
v