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Music Cognition Glossary Definition (English)
Wessel's Illusion Defined
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"A demonstration of the influence of timbre on auditory streaming. Wessel's illusion involves playing an ascending sequence of three pitches where the timbre is alternately switched between two distinctive tone colors. As the tempo of the repeated pattern is increased the perception of a rising pitch sequence is replaced by two falling pitch sequences.
See also stream, pseudo-polyphony."
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Expert Dictionary: Wessel's Illusion
