![]() Not to create any big argument, but I see the most important use of ABX tests as being to decide that I really can't hear a difference when I know differences exist. If you like to listen loud, some soundcards put-out a higher level than others. If the impedance is too high, you can get frequency response variations with the (relatively) low-impedance headphone-load attached. There's noise in every analog signal, but as long as it's below audibility in both cards you obviously won't hear a difference. If you hear a defect from a soundcard, it's usually noise. ![]() If I claim that I don't hear a difference, can you prove that I actually do hear a difference? It's not so important to prove that you don't hear a difference. It's also very important to match levels.īut if you can't hear an OBVIOUS difference, does it matter? If you use one sound card one day and a different sound card the next day and you don't hear a difference, does it matter?Ĭareful, scientific, double-blind ABX tests are important to prove that there is an audible difference when people think they hear a difference. ![]() That's not the best way to do an AB (or ABX) test. Or perhaps it just the difference was not that major for me to notice.You are right. Quote I tried to compare them using my ears, but the time it takes me to unplug and plug everything again (and change the output device in Windows) just takes too much for me to 'Remember' how to previous sounded.
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