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Re: 'pressure at the ears' visiting an anechoic chamber
>>> 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.
... This is a very strange sensation.
... I experienced it at CBS Labs in the early 70's.
... However, the tech who ran the chamber (speaker & mic testing)
always left the door open as he was always going in and out to
... So, I'm certain my own experience was with the door open.
... I've asked Ronald some questions and suggested some
simple experiments to possibly perceive further effects.
... I also believe this is, as you and Al Bregman have commented,
a learning issue but, due to the novelty, this may be an opportunity
to learn something fundamental about hearing.
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