[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Bite-induced pitch shift?
I sometimes see this in tmj patients. In fact, I sometimes have this
experience myself when my tmj is being particularly bothersome.
Tom Brennan KD5VIJ, CCC-A/SLP R/D - AU
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html
On Thu, 19 Jun 2003, Bob Masta wrote:
> Date: Thu, 19 Jun 2003 15:45:27 -0400
> From: Bob Masta <masta@UMICH.EDU>
> To: AUDITORY@LISTS.MCGILL.CA
> Subject: Bite-induced pitch shift?
> Dear List:
> In the June 9 issue of Electronic Design <www.elecdesign.com>
> 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
> D A Q A R T A
> Data AcQuisition And Real-Time Analysis
> Shareware from Interstellar Research