Shepard Tone - Established by psychologist Roger Shepard at Bell Labs, this illusion is made up of a list of tones that appear to perpetually increase or slide. The illusion is produced by Tremendous-positioning pure tones (sine waves) an octave aside. A typical phenomenon is the auditory perception that https://homeworld-352962.full-design.com/the-basic-principles-of-illusion-of-kundun-mu-online-78102878