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Posted by Ralph (M ) on June 28, 2012 at 12:31:01

In Reply to: RE: yes and no. posted by villastrangiato on June 28, 2012 at 08:13:24:

You can't get it to sound like real music unless the recording does. I've got no trouble with that.

But as to the matter of '40 db down...', I am not talking about something that has to do with religious fervor. The fact is that the human ear is more sensitive to the odd-ordered harmonics than just about anything else; 40 db down- no problem, as long as those harmonics are showing up in a certain range.

Most people think that the human ear is tuned to vocal frequencies but it is not. Its tuned to bird song frequencies. Add to that the way the ear/brain system detects volume, by listening for the trace amount of odd-ordered harmonics, and your 40 db figure is easy to attain.

What we are talking about here in terms of distortion is differences of only a few 100ths of a percent. The tragedy of this is that the industry had this information back in the 1960s- that is when some very basic studies by GE demonstrated that the ear/brain system does indeed operate this way. For the most part it has been ignored by the audio industry, as a sort of inconvenient truth; any generation of trace amounts of odd-ordered harmonics is going to separate the men from the boys, so to speak.

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