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In Reply to: RE: Green Pen ever formally tested? posted by gusser on June 20, 2023 at 12:21:37
If there was a test it would receive the same reception as AudioScience Review.
Follow Ups:
Yes, you're right. Flat Earthers' cannot be convinced otherwise.But the more intelligent readers will see the truth and perhaps spend their money more carefully with these tweak products.
And I am NOT calling tweak users non-intelligent. In fact many are well educated and successful, hence they can afford high end components. But they lack specific knowledge in Physics and Electrical Engineering. This is where one group of professionals help another but in a different field. And it's free advice, take it or leave it as one wishes.
Edits: 06/26/23
Geez, he's still pretending to be an engineer.
No, he has no reason to pretend. He really is an engineer.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
You wouldn't know an engineer if one walked up and peed on your leg.
perhaps IEEE should use you for aiming practice
"A little bit to the left and try again on Geoff's head, he likes that"
Nt
Nt
Nt
and a bunch of us would love it too
Nt
OK, in this example I explained how digital audio is in it's self a measurement process and relatively easy to do highly accurate comparisons.
What did I get wrong?
All you have to do is listen. Where's the beef? If you can't hear the difference on your system who cares about measurements? Not everything that can be measured is audible. There are many variables here. Shall we review them?
"Not everything that can be measured is audible."So then what's the point of the tweak if the result is not audible?
Edits: 06/27/23
Variables for Green Pen listening test (or any audio listening test) - short list1. Is the listener actually capable of discerning subtle differences or is he just blowing smoke?
2. Is the Test system up to snuff? Or is it a mediocre piece of crap?
3. Are there errors in the test system, is everything broken in and warmed up, correct polarity, etc.?
3. Did tester follow directions properly, for example is the disc absolutely level during play? Or is the tester all thumbs?"Any idiot can get negative results for a controlled blind test." - old audiophile axiom
Edits: 06/28/23 06/28/23
I don't think you understand my proposed test at all.1)We are only listening to see if a supporter heard a difference. Then we are doing a binary file compare to the same musical passage with and without any edge treatment. This rules out any human bias.
2)The quality of the test systems is not highly relevant. Again we are comparing two digitally (SPDIF) captured passages from the same CD player / transport.
3)We are only concerned with errors from the CD player. These must be weighted as a few random errors are possible but the percentage should be the same in both cases (or not, this is a test).
4) Andy errors from physical leveling would be the same in both cases, so it can be cancelled out of the final results.
Edits: 06/28/23
Sounds like you would be perfect for that job. Let us know your test procedure and test plan.
Exactly, the overlords and pseudo scientists at ASR would assert that conscientious and thorough scientific protocols for controlled double blind testing were not followed. Lol
Edits: 06/25/23 06/25/23
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