Re: What do we hear in High frequency hearing (Harry Erwin )

Subject: Re: What do we hear in High frequency hearing
From:    Harry Erwin  <harry.erwin(at)SUNDERLAND.AC.UK>
Date:    Fri, 8 Nov 2002 09:40:31 +0000

At 9:47 -0800 7/11/02, Brian Gygi wrote: >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?). Ask Larry Scadden (NSF) about this. He has taken measurements in that range. When an FM bat hovers in front of my face and paints me with echolocation calls, I can feel 'something', but it's probably air movement. -- --- Harry Erwin, PhD, Senior Lecturer of Computing, University of Sunderland. Computational neuroscientist modeling bat bioacoustics and behavior. <>

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