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Date: Sun, 29 Oct 1995 09:23:29 +30000
From: Roger Lacasse <roger@ph*.mc*.ca*>
To: B.Pickering@le*.ac*.uk*
cc: techdiver@terra.net
Subject: Re: A Question of Gas...
On Sun, 29 Oct 1995, Bruce Pickering wrote:

> Most of your message lost me, but i think i can still answer the question.
> At that depth nothing will make you sound normal. If you get the chance to 
> make a chamber dive you will find that everyone starts speaking like 
> Donald Duck well before these depths even on air. I believe it to be 
> caused by the pressure on your vocal cords.
> 

  Well not exactly, it's the increase in density of the gas you are 
breathing that is causing the change of voice. The pressure on the vocal
cords is at equilibrium.

  I've also done a chamber dive and althought we went down to only 100
feet, already our voices sounded funny. We probably found them even 
funnier since we were all narced (I have to agree with George on this, 
when you go straight down to 100 feet, in less than a minute, narcosis does 
hit lick a brick trown in your face, but that's another story).


> Answer to your problem..lay down a sound track in a studio.

  I'm afraid that this is your only solution.
 

                                                                    [\]
                                                                    |    
=================================================================^^(_)^^^^^^^^^
 Roger Lacasse                 "I found the meaning of life!         
 Foster Radiation Laboratory,   It's in the eyes of my wife and daughter."
 McGill University,                 Office: (514) 398-7025
 3559 University street,               Fax: (514) 398-7022
 Montreal, Qc., Canada.             e-mail: roger@ph*.mc*.ca*
 H3A 2B1                              http://spiff.physics.mcgill.ca/scuba.html
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