Pitch circularity

Penrose stairs, visual metaphor for pitch circularity[1]

Pitch circularity is a fixed series of tones that are perceived to ascend or descend endlessly in pitch. It's an example of an auditory illusion.

  1. ^ "Diana Deutsch's page on Pitch Circularity". Archived from the original on 2012-09-05. Retrieved 2012-10-20.