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Re: Try to tell us that *he's* all wrong.

In his Audio article Dr. Heyser makes reference to Hansen & Madsen, On awal phase detection. These authors have used an artificial signal, just like Wood. Even with that signal they pointed out that "improving the transfer characteristics of the [test] loudspeaker resulted in weakening the subjective perception of the change in the applied signal."

However, that paper addresses phase, not polarity. They did find that polarity inversion was audible, using a test signal and an additional control unit which allowed to reverse polarity, but they did not specify whether or not it was audible on all speakers (the poorer and the better ones) used for the tests.

Dr. Heyser mentions the tests he has performed himself, but he does not specify what speakers he has used and what test signals.


You see what I mean?


Klaus


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Topic - Acoustic polarity, again - KlausR. 02:36:41 05/06/07 (113)

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