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Klarinet Archive - Posting 000894.txt from 1998/03

From: Neil Leupold <nleupold@-----.edu>
Subj: Re: Interesting Acoustical Phenomena
Date: Sat, 14 Mar 1998 14:25:04 -0500

On Sat, 14 Mar 1998, David C. Blumberg wrote:

> I was blowing in(across, to make a low sound) an empty 2 liter soda bottle
> (amusing my 1 year old), and when I squeezed the bottle a little (to raise
> the pitch, I thought) THE PITCH WENT DOWN!!!!!!! Any explanations for this.
> I thought it would rise, not lower.

Maybe the angle at which you were blowing across the opening was
altered when you sqeezed the bottle. This would be like rolling
the headjoint on a flute in order to raise or lower the pitch
on a given note.

Neil

   
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