[CM] OT?: Endless increasing pitch: How?

[Steven Jones]

http://en.wikipedia.org/wiki/Shepard_tone

On 12/17/09, meino.cramer at gmx.de <meino.cramer at gmx.de> wrote:
>
> Hi,
>
> long time ago I had an audio file, which I think it was
> generate via csound, which plays a tone pitch, which /seems/
> to increase endlessly. It was the audible counterpart of an
> optical illusion.
>
> I like to know, how this "trick" was constructed and how I
> can rebuild the effect ?
>
> Thank you very much in advance for your help!
>
> Best regards,
> mcc
>
>
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