Shepard’s Scale–an auditory illusion
July 30th, 2008
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This is very cool. Play this, then play it again, and again as many times as you want, and the same sequence of notes will sound to you as if it is a scale with an ever ascending pitch. I have yet to read a very good explanation of this effect, but my guess is that there are multiple harmonics in each tone, and which one your ear attends to depends on context. Regardless,it’s neat.