What do we hear in High frequency hearing (Brian Gygi )

Subject: What do we hear in High frequency hearing
From:    Brian Gygi  <bgygi(at)EBIRE.ORG>
Date:    Thu, 7 Nov 2002 09:47:57 -0800

Although it's certainly possible that some information from > 20 kHz is audible through bone conduction or standing waves or just healthy cochlea, what is it exactly that people are hearing in that range? Not pitches, from all the available evidence. Perhaps it is just a presence of some sort that adds to the timbre, which would explain the decline in sound quality some musicians report (I'm not aware of any rigorous tests of this, tho - does anyone have a reference?).

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DAn Ellis <dpwe@ee.columbia.edu>
Electrical Engineering Dept., Columbia University