Klarinet Archive - Posting 000495.txt from 2001/02

From: Tony@-----.uk (Tony Pay)
Subj: Re: [kl] Difference Tones
Date: Tue, 13 Feb 2001 17:33:13 -0500

On Tue, 13 Feb 2001 17:16:11 -0500, bhausmann1@-----.com said:

> At 08:20 AM 2/13/2001 -0500, George Kidder wrote:

> > I doubt if the microphone is linear, especially at that low a
> > frequency. This might be all the nonlinearity you need for the
> > recording. Of course, something else would have to account for the
> > perception of the live audience - and this could be their ears'
> > non-linearity. Or the walls, or other pipes, or the rector, or
> > whatever.
>
> If it IS caused by non-linearity, then both the microphones, walls,
> and human ears/bodies (for sub-audible frequencies) are nonlinear in
> the same way. Curious coincidence, eh?

Bill, all 'non-linearity' means in this context is, 'generates
combination tones'.

But that's only because *linearity* means, 'preserves simple addition as
the rule of combination of frequencies'.

Benade is good background reading for all of this. And, it's not a
question of opinion.

Tony
--
_________ Tony Pay
|ony:-) 79 Southmoor Rd Tony@-----.uk
| |ay Oxford OX2 6RE GMN artist: http://www.gmn.com
tel/fax 01865 553339

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