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Further study of existence regions for the "ventriloquism effect"
Abstract:
The "ventriloquism effect" refers to the perception of speech sounds as coming from a direction other than their true direction, due to the influence of visual stimuli from an apparent speaker. In these experiments, the ventriloquism effect was observed for conditions in which the subject turned his eyes 30 degrees to watch a speaker on a TV monitor. It was found that (1) the ventriloquism effect could be obtained for (hidden) auditory sources 20-30 degrees from the position of the TV speaker; (2) a strong ventriloquism effect could be obtained for an auditory stimulus at an angel of 150 degrees right of the subject's straight ahead when the TV source (toward which the subject's gaze was directed) was at 30 degrees right of straight ahead. Lesser effects were obtained for sound sources at 130 and 170 degrees right of the subject's straight ahead.
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