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

[Adam]

And a Csound diagram and implementation of Shepard Tone, 
in their ACCCI, 

http://www.music.buffalo.edu/hiller/accci/02/02_44_1.txt.html




On Saturday 19 December 2009 08:44 pm, Erich Neuwirth wrote:
> Search for Shephard scale or Shephard tone.
> http://sunsite.univie.ac.at/musicfun/Glissando/
> has some working examples.
>
> On 12/18/2009 4:41 AM, 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