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Technical and scientific discussion of amps, cables and other topics.

RE: That clears up a lot!

“…there's an immense body of uncontradicted evidence… that CD-Rs made from Redbook CDs sound quite a lot better. That raises the vexing issue, Which is the real CD?... "Anecdotal", you say? But what's the plural of "anecdote"? Data!”

I you really think thousands of people can’t be wrong, I give you The Church of the Latter Day Saints, the fastest-growing organization on the planet. We’re talking tens of millions here.

So no, the fact that many people seem to hear something doesn’t mean it exists. And if CD players sounded “vastly different” the people writing about those differences in such florid detail would be able to tell one from another without peeking. They can’t.

None of this affects the outcome of our experiment either way, though. What we did was prove that, if high-bit audio sounds better, it isn’t the extra bits that are doing it. It doesn’t matter what particular player we used. I say that’s because it sounds the same as all the others, while you say no, they all sound different. If whatever we used had a characteristic sound, our subjects would have heard it. Over the course of about 550 trials, they didn’t.

As for the Memory Player, whatever that is, if it sounds different from our codec, it’s making a euphonic error, since ours is indistinguishable from the source. You asked what our bottleneck sounds like, and we’ve proven the answer quite well: It sounds like the signal that went into it.

You say you’ve never been asked to test your perceptions, but that’s not true. I asked you to take a blind test to demonstrate that you can hear absolute polarity years ago, but you never responded. So let me propose one again: I’ll make a bit-for-bit copy of a CD – your choice – on a CD-R. I’ll stand in your control room and on the basis of a coin flip I’ll decide which disc to put in the player, ten times. You tell me which disc is playing, ten times. You should get 10/10 with no trouble. Maybe while we’re there I can switch my polarity inverter box in and out of the circuit, and you’ll tell me when it’s active. How about it?

As you may know, I did the polarity test with a local recording engineer who insisted he could hear the effect every time, even through a car radio. His results were random. He then decided that changing the polarity at the preamp level somehow didn’t sound the same as switching the speaker wires. I decided that he couldn't hear the effect as well as he thought. – E. Brad




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