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Re: [EXS] Beats per minute

2003-10-13 by Hendrik Jan Veenstra

On a fine day, 12-10-2003, Ned Bouhalassa wrote:

>Easy this one, especially with the example you used. Just divide the
>difference between the C3 and C4 by 12.
>
>a) 240 bpm - 120 bpm = 120 bpm
>
>b) 120 bpm / 12 = 10 bpm
>
>c) 10 bpm per semitone. C#3 = 130 bpm, F3 = 170 bpm
>
>d) with 96 bpm, for eg, you'll divide 96 by 12, and get 8. Just add 8
>bpm for every semitone.
>
>C'est tout!

Very wrong, sorry.  See my other post.  It's not a linear scale (a 10 
bpm increase per semitone) but an exponential scale (a factor of 
2^(1/12) per semitone).

-- 
Hendrik Jan Veenstra   h @ k n o w a r e . n l
Omega Art: http://www.omega-art.com/

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