Klarinet Archive - Posting 000321.txt from 2004/11

From: Joe Fasel <jhf@-----.gov>
Subj: Re: [kl] Re: pitch
Date: Mon, 8 Nov 2004 10:51:41 -0500

In equal temperament, the frequency ratio of each semitone is
the twelfth root of two. A one-cent difference in pitch is thus
a frequency ratio of 2^(1/1200).

For A=3D440Hz, A-flat is 415.3Hz and A-sharp is 466.2Hz, if I've
crunched the numbers correctly.

Cheers,
--Joe

On 2004.11.07 16:15, rien stein wrote:
> There are 100 cents between any two chromatic notes.
> It happens that at A440, 1hz is 4 cents.
> A439 is 4 cents flat.
> >>
>=20
> Does this imply A-flat is 415 Hz, or does it imply A-sharp is 465? And ho=
w
> many Hz is B-flat?

Joseph H. Fasel, Ph.D. email: jhf@-----.gov
Systems Planning and Analysis phone: +1 505 667 7158
University of California fax: +1 505 667 2960
Los Alamos National Laboratory post: D-2 MS F609; Los Alamos, NM 8=
7545

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