Klarinet Archive - Posting 000605.txt from 1997/03

From: Bob <laker29@-----.NET>
Subj: Re: Acoustic effects
Date: Tue, 18 Mar 1997 16:14:25 -0500

I have played hours in front of a fan. (no air Cond.) I awalys figured
that the effect was just the sound reflecting off of the blades of the fan
- sending them back in an interupted fashion!
Better that than being too hot to Practice! Spinning around would cause a
dopler effect, I suppose.. Bob Lake Edina, MN <laker29@-----.net>

At 8:38 PM 3/17/97, Jerry Korten wrote:
>Gary Young wrote:
>
>>>... The fan imparted
>>>a strange slow vibrato-like effect to the clarinet sound. (I don't
>>>understand the acoustics of this.) At first I was irritated, but then I
>>>realized this was the sort of thing Cage would have loved, and really got
>>>into the sound.
>>
>
>If you pivot around quickly while playing (preferably a note with lots of
>fingers down like low E or B above middle C) you can get the same effect.
>Walking quickly will also produce this effect. I believe it is because the
>different overtones in the clarinet sound are being doppler shifted (each
>overtone shifted differently according to its frequency) and they go out of
>tune with each other. Effectively the tones that make up the clarinet sound
>"split up". I love this effect.
>
>Jerry Korten
>NYC

   
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