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Re: 'pressure at the ears' visiting an anechoic chamber

To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: 'pressure at the ears' visiting an anechoic chamber
From: Malcolm Slaney <malcolm@xxxxxxxxxxxx>
Date: Fri, 23 Oct 1998 10:34:23 -0700
Comments: To: Al Bregman <bregman@HEBB.PSYCH.MCGILL.CA>
Comments: cc: rmaarts@NATLAB.RESEARCH.PHILIPS.COM
In-reply-to: <Pine.SUN.3.95.981023130349.12142H-100000@hebb.psych.mcgill.ca>
References: <36302D2E.8FE29D2B@natlab.research.philips.com>
Reply-to: Malcolm Slaney <malcolm@xxxxxxxxxxxx>
Sender: AUDITORY Research in Auditory Perception <AUDITORY@xxxxxxxxxxxxxxx>

>> When visitors enter -for the first time- our (rather large) anechoic
>> chamber, they are always complaining about the strange 'pressure at
>> their ears'. Similar as listening to 'much out of phase' signals in
>...
>

I'm pretty sure that the ear-popping is due to the pressure change as the
door is pulled shut.  The anechoic chambers I have been in have a door jamb
much like a tunnel.  You pull the door shut and the pressure in the room
increases.  I suspect our ears have very little experience with such
pressure changes in normal life.

- Malcolm

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Follow-Ups:
- Re: 'pressure at the ears' visiting an anechoic chamber
  - From: Richard J. Fabbri

References:
- 'pressure at the ears' visiting an anechoic chamber
  - From: dr. R.M. Aarts
- Re: 'pressure at the ears' visiting an anechoic chamber
  - From: Al Bregman

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