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Validity of audio tests
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... "Harry Lavo" wrote in message ... wrote in message ... Yes, it does sound like you have bought into Harry's anti-scientific worldview. I suggest you endeavor to talk to a real scientist for a change. Nothing I have said in this or any other group is "unscientific". It does not support ABX without questioning some of the basic premises. That simple. If you are truly a scientist, you think about these things objectively, at least. If you have become dogmatic and accept it as an article of faith, then questioning it becomes tauntamont to heresy. I leave readers to decide which is operational here. I'm forever interested in how those of Harry's persuasion would go about determining if there is an audible difference between 2 devices. The question is always the same. Can you hear a difference between 2 presentations? You can listen as long as you wish; you can ask other opinions; you can switch between them slowly or quickly; you can take notes; you can change the source material, etc., etc. The only things you cannot do is peek or make measurements. IOW, you have to make your choices on the basis of what you hear. To my way of thinking, ABX seems to be one of the more sensitive methods of making such a determination. But if you don't, suggest something else. I'm certainly open to suggestions. One last point: DBT seems to be the gold standard for evaluating most everything else. Why should high fidelity audio be an exception? Norman, I've explained in detail here and on other forums exactly how a blind, monadic test would be used to detect and define (statistically) a difference, if it existed. Then ABX could be tested to see if it revealed those differences. |
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