Mustaeki

I was wondering what the percentage of Pitch modification is per half step?

I believe per Step, its 15%. So half step is 7.5%

When I get bored of playing a song, I speed up the song and play with the higher pitch and increased speed with a Capo, and I go by the idea that 1 Step is 15% increase in pitch, so 2 then Capo goes on the second fret. Sometimes I increase the speed by pretty insane amounts, like 40% speed and the tuning is still correct.

This is the equation that I use, but is it right? Is there a sort of official equation?
It works perfectly fine for me.

jazz_rock_feel

What exactly are you asking?

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Mustaeki

When you increase the pitch of some form of audio, it increases it's pitch and it's speed.

So you take a guitar riff on a guitar tuned to D. You increase it's pitch by 15% and it now sounds like a guitar tuned in Standard, just played faster.

Keth

An octave means a doubling of the frequency, so a factor 2. Since an octave is twelve steps, you get the 12th root of 2 per half step, which is around 1.0594. This is for equal temperament only.

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