Generating pretty sounding Shepard Tones
Generating pretty sounding Shepard Tones
- Subject: Generating pretty sounding Shepard Tones
- From: Pi <email@hidden>
- Date: Sun, 28 Nov 2010 10:53:56 +0700
Hello people,
Apologies that this is slightly off topic, but maybe someone can point me in a good direction?
I would like to create 12 Shepard Tones, one for each of the 12 pitch classes on a piano keyboard.
(Shepard Tone -- this means that by cycling through them it gives the illusion of an infinitely ascending or descending scale).
I can create something that sounds convincing but hideous by compositing sine waves. but I would like to create a beautiful sound.
I'm considering starting with a synthetic tone generated with Karplus, ( or maybe a sampled piano note ), doing an FFT, enveloping the individual bins under an amplitude bell curve, and reversing the FFT. but I don't want go tapping lots of keys until I have had a good look through all the various alternatives...
Can anyone help me get to the next step?
Many thanks,
Sam
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