Klarinet Archive - Posting 000832.txt from 2002/04

From: "Joseph H. Fasel" <jhf@-----.gov>
Subj: Re: [kl] tuning standards?
Date: Tue, 30 Apr 2002 11:02:07 -0400

On 2002.04.29 20:01 Manon wrote:
> at A440, 1hz is 4 cents. 100 cents is a semitone.
> A440 to A442 is 8 cents.
> So the spread from A435 to A446 of 11hz is about 44cents,
> nearly a full quarter tone.

That's cool how you're able to get so close with a linear
approximation. I wouldn't have thought it would be that
good over such a large interval. The number of semitones
from frequency f1 to f2 would be 12 log2 (f2/f1) , so
435hz to 446hz comes out to 0.432, pretty close!

Cheers,
--Joe

Joseph H. Fasel, Ph.D. email: jhf@-----.gov
Decision Modeling and Analysis phone: +1 505 667 7158
University of California fax: +1 505 667 2960
Los Alamos National Laboratory post: D-7 MS F609; Los Alamos, NM 87545

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