Can You Trust Your Ears? (Audio Illusions)

ASAP Science, YouTube, Apr 03, 2015
Commentary by Stephen Downes
files/images/audio_paradox.PNG

Optical illusions are common. Audio illusions are less so. But in a set of examples this short video show how we can hear the same tone or sound in different ways. For example, the McGurk effect demonstrates a case where the same sound is perceived as either 'bar' or 'far' depending on what you're looking at. Another effect, the tritone paradox, causes people to hear the same set of sounds differently, as either risinmg or descending tones. This shows how much context and prior experience (some effects even vary based on geography and language from infancy).

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