Recent content by gregorio
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USB
No it wouldn’t be called an “opinion on my part”, it would be called a fact! It is a fact that you have not done a controlled test to objectively eliminate perception error and therefore it is a fact that your claim of hearing a difference is invalid until you do, because you might not be...- gregorio
- Post #20
- Forum: Sound Science
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iPhone vs. Android via USB-C sound quality difference is huge
“Sound Check” is Apple’s version of Replaygain, it can be found in Apple Music settings. There is also “Reduce Loud Audio” in the “Headphone Safety” section of the “Sounds & Haptics” section of main settings, which I believe does employ a limiter (compression). That is also a possibility. I...- gregorio
- Post #11
- Forum: Sound Science
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iPhone vs. Android via USB-C sound quality difference is huge
As far as I’m aware, the iPhone doesn’t do any loudness compression, it just reduces the level of each track according to the loudness metadata but you say you have Sound Check switched off. And, although the moondrop DAC stores PEQ settings, it *might* use a default setting unless it is...- gregorio
- Post #8
- Forum: Sound Science
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iPhone vs. Android via USB-C sound quality difference is huge
I don’t know, do you want loudness normalisation? You can turn it off if not. If it’s a profile type thing, that might be more difficult to solve if Apple doesn’t support the app but then that’s a user error effectively. G- gregorio
- Post #6
- Forum: Sound Science
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iPhone vs. Android via USB-C sound quality difference is huge
It’s not easy to know what the iPhone is doing, what is being bypassed or what the moondrop phone is doing. For example, is the iPhone applying loudness normalisation (Sound Check) but the moondrop isn’t, is the moondrop sending some profile setting to the DAC that the iPhone isn’t, as bigshot...- gregorio
- Post #4
- Forum: Sound Science
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USB
As you have not even taken the first step and validly/objectively eliminated some sort of perceptual error, then these quoted assertions and most of what is posted subsequently are invalid. G- gregorio
- Post #16
- Forum: Sound Science
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USB
In case I was unintentionally ambiguous, I meant “narrowing it down” in terms of applying objective tests to eliminate other potential causes/factors. For example, not just deciding to trust my ears but objectively eliminating the possibility it’s some sort of perceptual error and, if the...- gregorio
- Post #5
- Forum: Sound Science
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USB
That theory is not necessarily correct. The actual theory is that the USB source goes to a USB DAC, which re-clocks the signal and prevents noise from the USB connection contaminating it’s output and in practice that is what happens with the vast majority of DACs. However, you have quite a...- gregorio
- Post #3
- Forum: Sound Science
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(Piezoelectric) Crystals, Hifi and Negative Ions...
And that encapsulates the problem with nearly all your posts and as far as I recall, all of your threads! Firstly, you do not present any theories, if you did, then it would be up to science to invalidate them. What you actually present is unsupported claims/assertions or vague ideas that you...- gregorio
- Post #72
- Forum: Sound Science
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(Piezoelectric) Crystals, Hifi and Negative Ions...
I would hope no one would take any of his posts seriously. I’m still not comfortable with the potentially dangerous BS but you’re the mod, so it’s your decision. G- gregorio
- Post #57
- Forum: Sound Science
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(Piezoelectric) Crystals, Hifi and Negative Ions...
What didn’t you understand? No BS “advice” about things you clearly do not understand that are potentially dangerous (and can void your insurance)!! Really, what is wrong with you? @castleofargh you’re not going to let this stand are you? G- gregorio
- Post #55
- Forum: Sound Science
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(Piezoelectric) Crystals, Hifi and Negative Ions...
Look, when you make stupid claims about audio because you don’t know anything about audio, that’s one thing and dumb audiophiles deserve to waste their time and money anyway, but when you start giving stupid/ignorant advice about something where the consequences could be injury or even death...- gregorio
- Post #51
- Forum: Sound Science
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Speed of Electricity in a Cable
Electricity is “what is getting us shocked” and electricity is an electromagnetic field, not electrons! The electromagnetic field (in the video you posted) travelled at roughly 293,000,000 m/s while the electrons in a DC circuit travel at about 0.00002 m/s and in an AC circuit they don’t travel...- gregorio
- Post #44
- Forum: Sound Science
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Speed of Electricity in a Cable
That’s just classic. Actually you’re still wrong, it’s the little audiophile pixies dancing around the electrons that get faster but they can’t be measured because only audiophile DACs can detect them. lol G- gregorio
- Post #30
- Forum: Sound Science
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Speed of Electricity in a Cable
So I post this: And in response you write this: Huh, that’s what your “logic” tells you is it? I think it’s way past time you had a serious look at your logic! G- gregorio
- Post #25
- Forum: Sound Science