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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.- danadam
- Post #402
- Forum: Sound Science
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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...- danadam
- Post #130
- Forum: Sound Science
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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- danadam
- Post #126
- Forum: Sound Science
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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.- danadam
- Post #46
- Forum: Sound Science
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Speed of Electricity in a Cable
I never said it was. That's why I replied.- danadam
- Post #12
- Forum: Sound Science
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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- danadam
- Post #8
- Forum: Sound Science
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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- danadam
- Post #274
- Forum: Sound Science
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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?- danadam
- Post #165
- Forum: Sound Science
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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...- danadam
- Post #146
- Forum: Sound Science
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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...- danadam
- Post #141
- Forum: Sound Science
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Vinyl having better sound imaging?
There are cases of clocks that show correct time only twice a day therefore sun dials are superior 🤦♂️- danadam
- Post #137
- Forum: Sound Science
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Apodizing filter
Can you provide an example of such artifact, before and after it is fixed?- danadam
- Post #180
- Forum: Sound Science
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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...- danadam
- Post #175
- Forum: Sound Science
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Testing audiophile claims and myths
Really? So where does it say that ABX/DBT can't last long?- danadam
- Post #17,203
- Forum: Sound Science
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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:- danadam
- Post #54
- Forum: Sound Science
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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...- danadam
- Post #100
- Forum: Sound Science
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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...- danadam
- Post #17,044
- Forum: Sound Science
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Testing audiophile claims and myths
I would call for including a dead salmon in the study :-) Would it? IMO that's rather questionable implication.- danadam
- Post #16,989
- Forum: Sound Science
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Off topic in Sound Science. the new old moderation.
And the most important are those gold plated plugs ;-) ;-) ;-)- danadam
- Post #114
- Forum: Sound Science
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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.- danadam
- Post #46
- Forum: Sound Science
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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.- danadam
- Post #42
- Forum: Sound Science
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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:- danadam
- Post #39
- Forum: Sound Science
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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- danadam
- Post #21
- Forum: Sound Science
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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.- danadam
- Post #19
- Forum: Sound Science
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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):- danadam
- Post #14
- Forum: Sound Science