Re: [microsound] pitch/harmonics to frequencies chart

[Phil Thomson <philthom@xxxxxxxxxxxxx>]

> hello,
>
> does anyone know where online i can find a chart to show
> the frequencies of pitches and harmonics of the well-tempered scale?
>
> i tried to Google this, but i didn't have much luck...
>
> thanks


If you're on OS X, try AudioTools:

http://www.anarcasa.com/software/

If that doesn't work, I've always heard that middle C is 261.6256 Hz 
(given an A of 440). To calculate other frequencies relative to this, take 
the twelfth root of two to the power of however many semitones are in the 
interval, so a perfect fifth above C would be the twelfth root of 2 to the 
power of 7. If you figure out all the frequencies in one octave, you can 
easily calculate them for other octaves by multiplying/dividing them by 2 
(or powers thereof). Likewise, harmonics of these frequencies are just 
whole-number multiples. But I guess the reason you want to find a chart is 
so you don't have to do all this. So never mind.

Well, there's this:

http://hyperphysics.phy-astr.gsu.edu/hbase/music/et.html#c2

and this:

http://www.phy.mtu.edu/~suits/notefreqs.html

Are those not helpful?


P


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: Phil Thomson
: home: http://www.sfu.ca/~pthomson
: label: http://centibel.org/
: group: http://groups.yahoo.com/group/databenders/
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SDF Public Access UNIX System
http://www.freeshell.org/
Geekier than you since 1987.

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