Advertising and Web Hosting on Woodwind.Org!

Klarinet Archive - Posting 000552.txt from 2001/02

From: Bill Hausmann <>
Subj: Re: [kl] Difference Tones
Date: Thu, 15 Feb 2001 06:44:16 -0500

At 08:13 AM 2/15/2001 +0000, Tony Pay wrote:
>On Wed, 14 Feb 2001 23:46:15 -0500, said:
> > But all the evidence is that the walls, microphone diaphragms, etc.,
> > are vibrating AT 8 HZ! This would mean that SOMETHING is producing
> > that frequency. If it is not the pipes, then what? Either these
> > objects are responding to sound waves in the air produced by the organ
> > pipes, or they are themselves creating the sound waves with their own
> > vibrations. But if that is the case, what is causing them to vibrate
>There's a third option other than your either/or.
>What causes the objects to vibrate at 8 Hz is the interaction between
>one aspect of their properties (nonlinear response to vibration), and
>the fact that they are being stimulated by two frequencies that differ
>by 8 Hz.
>The thing to see is that something doesn't have to be *vibrated* at a
>given frequency in order then to vibrate at that frequency.

Is this not exactly what is happening to the AIR when the two pipes are played?

Bill Hausmann
451 Old Orchard Drive
Essexville, MI 48732 ICQ UIN 4862265

If you have to mic a saxophone, the rest of the band is TOO LOUD!

Unsubscribe from Klarinet, e-mail:
Subscribe to the Digest:
Additional commands:
Other problems:

     Copyright © Woodwind.Org, Inc. All Rights Reserved    Privacy Policy    Contact