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Klarinet Archive - Posting 000213.txt from 2005/08

From: Joseph Wakeling <joseph.wakeling@-----.net>
Subj: Re: [kl] Vibrato, color, vibration (was Stolzman & Copland Concerto)
Date: Fri, 12 Aug 2005 13:44:59 -0400

Adam Michlin wrote:

> I have to take slight issue with your re-definition of the word
> "vibration". Vibrating the sound, using the dictionary definition, is
> a redundant statement since the sound is already vibrating.
> Scientifically, you may want to consider the term "timbre modulation"
> although that sounds a bit too pretentious to me.

No, the sound is a result of pressure vibrations in the air. That
doesn't mean that vibration can't also be applied to other things.
"Vibration" just means a regular variation: the pitch can vibrate, for
example, although real vibrato is rarely so regular as theoretical
vibration.

Physically, of course, a vibration in pitch might simply come down to an
alteration in the wave form of the pressure vibration, but I don't know
enough details on acoustics to pronounce too firmly on this.

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