[MPA] Changing pitch: cents vs. percentage

[Jay Shaffer]

Dusting off the math cap, 100% = 1 octave. 100/12 =8.33% into cents 
each cent is .0833% .0833*32=.2.666%.
you want -2.66% .
Which brings me to question of who the hell is worried about a third of 
a semi-tone?
--
Jay Shaffer
Mac Audio Guy
Author of "The MacAddict Guide to Making Music with GarageBand"
mag at jayshaffer.com
http://macaudioguy.com/

On Nov 18, 2005, at 2:11 PM, Joe Castleman wrote:

> I have obtained a concert recording which, I'm told, is 32 cents sharp.
> My editing software (Audacity & Sound Studio) allows me to change pitch
> in terms of a percentage, but not cents (which IIRC is hundredths of a
> semitone).
>
> Is there an easy way to calculate the change in percentage that would
> equate to changing the pitch so it's 32 cents flat? Or could the
> difference be attributed to variously encoding/decoding the audio at
> 48kHz or 44.1kHz somewhere in the lineage?
>
> Thanks in advance,
>
> --Joe C.
>
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