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An auditory illusion: The Shepard Tone

Updated Monday 11th April 2011

It's been called the sonic barber's pole - but what does the Shepard Tone sound like? Try it for yourself...

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A tiny man in an ear Creative commons image Icon vernhart under CC-BY-NC-SA licence under Creative-Commons license
Can you believe your ears? Image: Vernhart

This exercise is extracted from The Open University course The Technology Of Music

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