Klarinet Archive - Posting 000338.txt from 2004/11

From: "Dee D. Flint" <deeflint01@-----.net>
Subj: Re: [kl] pitch standard
Date: Mon, 8 Nov 2004 16:50:30 -0500


----- Original Message -----
From: <GrabnerWG@-----.com>
To: <klarinet@-----.org>
Sent: Monday, November 08, 2004 3:31 PM
Subject: Re: [kl] pitch standard

> In a message dated 11/7/2004 12:49:53 PM Central Standard Time,
> manonrivet@-----.ca writes:
> <<A definition was requested of a cent...........................
>
> There are 100 cents between any two chromatic notes.
> It happens that at A440, 1hz is 4 cents.>>
>
> Question: is this uniform throughout the scale, or does it change if you
are
> much higher or lower?
>
> Or is 1hz always 4 cents?

No it is not. The equation is a log function not a linear function.

>
> <<A439 is 4 cents flat.>>
>
> Is A=442 therefore 8 cents sharper than A=442? Is A=444 therefore 14
cents
> sharper? If so, this doesn't seem to correlate with my tuner when I
calibrate
> it higher, for example 442 instead of 440.
>
> Please excuse me if these are simple questions. I simply don't know.
>

The equation is not linear. That's why your tuner reads the way it does.

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