Re: Bite-induced pitch shift? (Thomas G Brennan )

Subject: Re: Bite-induced pitch shift?
From:    Thomas G Brennan  <g_brennantg(at)TITAN.SFASU.EDU>
Date:    Tue, 8 Jul 2003 17:41:38 -0500

I sometimes see this in tmj patients. In fact, I sometimes have this experience myself when my tmj is being particularly bothersome. Tom Tom Brennan KD5VIJ, CCC-A/SLP R/D - AU web page On Thu, 19 Jun 2003, Bob Masta wrote: > Date: Thu, 19 Jun 2003 15:45:27 -0400 > From: Bob Masta <masta(at)UMICH.EDU> > To: AUDITORY(at)LISTS.MCGILL.CA > Subject: Bite-induced pitch shift? > > Dear List: > > In the June 9 issue of Electronic Design <> > analog electronics guru Bob Pease mentions that when he bites down > hard "on some tough nuts or a popcorn cake, the pitch seems to > dip momentarily by about half a note". > > Has anyone heard of a phenomenon like this? (The effect doesn't > seem to work for me, at least not when biting down on a plastic > toothbrush handle.) He wonders what can cause this. If this is > truly a pitch shift and not a resonance envelope (formant) shift > due to distorting the ear canal, could it be deforming the cochlea > such that the stiffness of the basilar membrane is changed? > Seems pretty extreme! Any ideas? > > > Robert Masta > tech(at) > > D A Q A R T A > Data AcQuisition And Real-Time Analysis > Shareware from Interstellar Research > >

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