Re: 'pressure at the ears' visiting an anechoic chamber (Malcolm Slaney )

Subject: Re: 'pressure at the ears' visiting an anechoic chamber
From:    Malcolm Slaney  <malcolm(at)INTERVAL.COM>
Date:    Fri, 23 Oct 1998 10:34:23 -0700

>> 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 McGill is running a new version of LISTSERV (1.8d on Windows NT). Information is available on the WEB at

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