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  1. danadam

    Hope this help you to explain Hi-Res music to your CD friends

    What exactly are you referring to with those numbers? I can't tell if mean the width of the pass band or level of the signal (but why at Nytquist)? Aliasing? In a DAC? Or did you mean images, between 22 and 24 kHz.
  2. danadam

    Hope this help you to explain Hi-Res music to your CD friends

    It's only a penalty if you think that the ripples are something wrong. I've never heard any convincing explanation why that would be. Most of the time it's just hand-waving and saying "look, this one is flat before and after the impulse so it must be better" and what I see is "look, the filter...
  3. danadam

    Hope this help you to explain Hi-Res music to your CD friends

    I'm sure you're only asking /s 🤦‍♂️ Here you have it: https://xiph.org/video/vid2.shtml
  4. danadam

    Hope this help you to explain Hi-Res music to your CD friends

    It started around here: https://www.audiosciencereview.com/forum/index.php?threads/upsampling-16-44-1-collection-a-good-idea.53641/page-6 Although his account is removed now and all that's left are quotes in replies from other people.
  5. danadam

    Speed of Electricity in a Cable

    I never said it was. That's why I replied.
  6. danadam

    Speed of Electricity in a Cable

    According to wikipedia: https://en.wikipedia.org/wiki/Speed_of_electricity#Electric_drift 8 cm/h is 0.002 cm/s
  7. danadam

    Frequency response at the ear drum

    Not sure if it helps, but I did that, in practice :), with a piece of music: https://www.audiosciencereview.com/forum/index.php?threads/master-thread-are-measurements-everything-or-nothing.29062/page-258#post-1426610
  8. danadam

    Vinyl having better sound imaging?

    Sure, it is legal but it doesn't mean it is not ridiculous at the same time, unless you can show it happens often enough to be worth worrying about. You use the word "possible" again :xf_rolleyes: but how probable it is?
  9. danadam

    Vinyl having better sound imaging?

    With what probability? Please describe the conditions. Frankly, that will be more interesting than the recording. Really? I thought it is manipulated every time it is played :wink: But anyway, the information contained in the pits and lands of a CD also can't be manipulated. I wish you best...
  10. danadam

    Vinyl having better sound imaging?

    Sigh... way to miss the point. The point isn't whether it is correct once or never. The point is that it's a broken clock. The point is, don't disparage all clocks based on what a broken one is showing. There are plenty of working clocks, use them instead. How often is this condition you're...
  11. danadam

    Vinyl having better sound imaging?

    There are cases of clocks that show correct time only twice a day therefore sun dials are superior 🤦‍♂️
  12. danadam

    Apodizing filter

    Can you provide an example of such artifact, before and after it is fixed?
  13. danadam

    Apodizing filter

    To that point, here's a spectrogram of a few different frequencies clipped by 3 dB (at 48k sampling rate). It starts with 3'000 Hz, where aliased harmonics overlap. Then the frequency of the tone is reduced, doubling the difference at each step (see the labels at the bottom) and the aliases are...
  14. danadam

    Testing audiophile claims and myths

    Really? So where does it say that ABX/DBT can't last long?
  15. danadam

    Audio Science Review AES Paper Presentation on Audio DACs

    I don't see anything there and the last post is from 3 weeks before the other thread. That other thread however, I have only google-cached version but I can imagine how it ended:
  16. danadam

    What’s the Rationale?

    I would even like "Driving Me Too Hard" but the crackling annoys me too much. I can't comprehend why someone would want it on purpose, so on the one hand I like to believe it's a mistake that went unnoticed but on the other hand I can't really believe that such a mistake, in such an album, would...
  17. danadam

    Testing audiophile claims and myths

    More like: less distortion for more uncorrelated noise (white or shaped). As for accuracy, when you convert signal at level below least significant bit, without dither you get zero, with dither you get noisy signal. Are you saying that "no signal at all" is more accurate than "the signal" with...
  18. danadam

    Testing audiophile claims and myths

    I would call for including a dead salmon in the study :-) Would it? IMO that's rather questionable implication.
  19. danadam

    Off topic in Sound Science. the new old moderation.

    And the most important are those gold plated plugs ;-) ;-) ;-)
  20. danadam

    Measurements and a lot of stuff they don't tell us

    No, those 2 repeated steps at 51 are not optional, so it's only 1 in 32 chance.
  21. danadam

    Measurements and a lot of stuff they don't tell us

    But there is no lower than 51 db in this test. I didn't say anything about you cheating or not. I said I cheated, in order to check if the test goes below -51dB.
  22. danadam

    Measurements and a lot of stuff they don't tell us

    No, this particular test, "Music J. Stone", does not. I'm not sure what @A Jedi meant with "After 51 I started getting the answers wrong." And yes, I did cheat here:
  23. danadam

    Measurements and a lot of stuff they don't tell us

    https://www.head-fi.org/threads/24bit-vs-16bit-the-myth-exploded.415361/page-426#post-16515115
  24. danadam

    Measurements and a lot of stuff they don't tell us

    At the end of the test they show how your result stacks up against others who took the test before.
  25. danadam

    Measurements and a lot of stuff they don't tell us

    It's not exactly like in the OP but ASR already does SNR @ 50mV and THD vs power @ different loads, for example ifi Zen CAN Review (Headphone Amp) (Jul 2021):
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