Audible illusion – this tone seems to rise in pitch forever

Mark Frauenfelder 8:42 am Fri Aug 12, 2016

BTW: The folks at DeepMiningCorpAssoc sound like assholes.

From YouTube:

The shepard tone is an audio illusion which seems to get forever higher but never really does.

Whoever DeepMiningCorpAssoc is, STOP TRYING TO COPYRIGHT THIS! It doesn't have a single bit of your music in it!

Source of sound graph.

All sounds and images in this video are in the public domain and not copyrighted, feel free to use it!

Shepard tone sound was downloaded from Soundcloud (sound not copyrighted), (Thanks to a guy in the comments.)

From Wikipedia:

A Shepard tone, named after Roger Shepard, is a sound consisting of a superposition of sine waves separated by octaves. When played with the base pitch of the tone moving upward or downward, it is referred to as the Shepard scale. This creates the auditory illusion of a tone that continually ascends or descends in pitch, yet which ultimately seems to get no higher or lower. It has been described as a "sonic barber's pole".

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