Frequencies?

[Stephen Airy]

Here's a method to figure it out, not accounting for
inharmonicity.  Since A4 is 440 Hz, an octave lower is
1/2 the frequency, or 220 Hz.  A0 is the lowest note
on the piano, being 27.5Hz.  Multiply 27.5 by the 12th
root of 2 (1.0594630943593 on my TI-92 Plus),  and
multiply each result by 1.0594630943593 88 more times.

For example:

27.5 (A0)
27.5 * 1.0594630943593 = 29.135235094881 (A#0)
29.135235094881 * 1.0594630943593 = 30.867706328508
(B0)
30.867706328508 * 1.0594630943593 = 32.703195662575
(C1)

continue the same pattern "up the scale" until you get
to....

. . . . 3520 (A7) (may be a little bit off at the 12th
digit to the right of the decimal point or something
like that -- it often is on my calc)
3520 * 1.0594630943593 = 3729.3100921447 (A#7)
3729.3100921447 * 1.0594630943593 = 3951.066410049
(B7)
3951.066410049 * 1.0594630943593 = 4186.0090448096
(C8)

You probably won't need all 12 or so digits.  I
recommend truncating the 4-digit (to left of decimal
point) frequencies to 1 or 2 places, the 3-digit
frequencies to 2 or 3 places, and the 2 digit
frequencies to 3 or 4 places, whatever suits you.



--- Diane Hofstetter <dpno2nr@yahoo.com> wrote:
> 
>  Does anyone know of a site on the net where I can
> find a chart giving the frequencies for all the
> notes on the piano?  I am at the hearing safety
> convention and it would be helpful to me in talking
> with some of these people who understand frequencies
> and hearing but nothing about piano tuning.
> I don't have much time to research on the internet
> because of classes, roommates, etc.  and would
> greatlly appreciate it if anyone has this
> information.
> Thanks !
> Diane Hofstetter
>  
>  
>   
> 
> 
> 
> ---------------------------------
> Do You Yahoo!?
> Yahoo! Sports - Coverage of the 2002 Olympic Games


__________________________________________________
Do You Yahoo!?
Yahoo! Sports - Coverage of the 2002 Olympic Games
http://sports.yahoo.com