Klarinet Archive - Posting 000758.txt from 1998/12

From: Gary Van Cott<Gary@-----.com>
Subj: Re: [kl] Gas flow rate in clarinet
Date: Sun, 20 Dec 1998 22:30:46 -0500

Actually this example illustrates the problem I have with this concept. If
the opening at the end of the tube is the same size and the pressure is
constant it wouldn't matter what size the tube is, the air would escape at
the same rate.

On the other hand, perhaps the entire air velocity thing is a red herring,
and what we should actually be discussing is the shape of the oral cavity
and how it influences the vibration of the reed. I do not dispute that the
throat and the position of the tongue influences the sound. I am just
trying to get a better handle on the mechanism(s) involved.

Gary
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SStur24061@-----.com on 12/20/98 08:08:27 AM
Please respond to klarinet@-----.org
cc:

Subject: Re: [kl] Gas flow rate in clarinet

David Renaud was just writing on the subject of air speed. I too believe
that
tongue position has much to do with the air speed. If the tongue is placed
low in the mouth, air must fill up the mouth cavity before it will shoot
through the instrument. By placing the tongue high in the mouth (the sides
approximately on the side teeth), a "wind tunnel" is created. Thus the air
travels faster. The high placement of the tongue creates a smaller hole
for
the air to travel through. What would make a better "pea shooter"--a card
board paper towel roll center or a straw? The straw--because the smaller
the
size of the cavity that is blown through, the faster the air travels. I
don't
if I'm helping. Let me know. Nice chatting with you.

Kristi Sturgeon

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