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Jud

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  1. Is there already an Audiophile Style article on best practices? Would love to see one (in your spare time, right?). Might be interesting to have you and plissken both write one and see similarities/differences.
  2. I'll jump in with a what rather than a who: I have seen praise for low jitter figures in Benchmark DACs by people who have elsewhere said the importance of jitter is greatly exaggerated. (Benchmark themselves have stated that asynchronous USB input and DSD are unnecessary, then built both into their DACs; and have praised at least the former in their marketing. This is entirely aside from the DAC's performance - I don't own one but certainly the measured performance appears to be excellent.)
  3. Sorry, you're correct, was thinking of Ethernet for some reason. Don't know about USB.
  4. OK, I said I wouldn’t go OT any more, but I have to note my agreement. Live in a climate like TX, OK, NM etc., and sugary drinks don’t quench thirst IMO.
  5. So the fix you mentioned occurred in the Meanwell or LPS-1?
  6. The former. https://www.bluejeanscable.com/store/data-cables/indexmob.htm
  7. Am I reading this correctly to say the original condition was the highest harmonic at -105dB with the LPS-1 and MeanWell, versus -115dB with the other supply (at a different mains frequency?)? And the fix (in the LPS-1.2?) brought the original level of -105dB down to what?
  8. But I think it isn’t quite so simple as “ABX tests are hard.” (Not saying that this is your position.) *Why* are they hard (or not, as in your other example 😉)? For vision, the brain is extremely specialized, down to some groups of neurons recognizing horizontal features, others vertical. I’m speculating that recognizing when a familiar piano sounds just a very little bit “off” may be handled differently in the brain than trying to recall whether a musical passage you heard 20 seconds ago sounds different than one you’re listening to now. (Note “trying to recall” in the second half of the sentence but not the first.) There’s been plenty of academic work done on that “trying to recall” bit. Here from a researcher’s page are tests you can try at home: http://deutsch.ucsd.edu/psychology/pages.php?i=209 (Then ask yourself whether sequential A/B comparison of musical passages more closely resembles the easier or the more difficult test.)
  9. Last OT on this: I think a little less expensive sold thru the site I recommended, though still not cheap. I’ve had it. Loved the tea, but though I enjoy a nice cup very much, it’s not gonna change my life.
  10. This is the best tea in the world: http://www.makaibari.com/en/buy-tea/silver-tips-imperial.aspx Here's where to order it, though they don't appear to have any in stock at the moment. Lots of other excellent teas, though: https://www.silvertipstea.com
  11. This possibly implicates some of the things I was talking about earlier regarding training effects and pattern recognition. I doubt someone new to XXHE would have heard the "tell" @manisandher did. But if you can hear an effect with training, that means it's not inaudible, you're just not consciously noticing it. And even if you don't consciously notice it, it's possible that effect/distortion might be bothering you greatly. (In the Iowa Gambling Task experiment I keep mentioning, subjects were given "good" and "bad" decks of cards. Subjects with "bad" decks showed elevated galvanic skin response - that is, they literally broke out in a sweat - on average several rounds of play before they consciously realized they had a bad deck and asked for a new one. So might we be made uncomfortable enough subconsciously by audio distortion we don't consciously notice to break out in a sweat? Interesting to think about. And if it were true, what would it mean for levels of audibility that have been established by tests that require conscious verbal responses?)
  12. Interesting. This does somewhat suggest at least the possibility that parts and circuits can be tailored to produce a desired set of measurements, perhaps without substantial alterations in the sound the designers want (if they were able to recognize such a sound - both of the principals have decades of design experience).
  13. Hi Mani, When you've got a recognizable "tell," I'd argue this is pattern recognition. I'd also speculate your ability to find the "tell" was helped along by years of adjusting XXHE parameters and hearing the results, which ISTM is training to recognize the telltale pattern(s). (This is a reason I'm very interested in how training effects relate to perceptual tests.) I'd speculate the closer the experience is to a test of discrimination, the more exhausting. But again, though it wasn't a strong signal (and thus took effort, leaving you a bit worn out), I'd opine you were looking for your "tell," and therefore doing pattern recognition. I think a lot of the "right-brain/left-brain" stuff has been debunked at this point.
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