Title: Quantitative analysis of sound localization with ocular positioning
Abstract: We studied the capacity for sound localization in the horizontal plane with measurement of the ocular position of the listener. The eye position responses elicited by tonal sound were asymmetrical in all six subjects and there was individual variation of frequency dependence. The sound pressure level and the angle of the loudspeaker also affected the accuracy of localization. Sound localization was more accurate, and individual variation lower, when the sound pressure level and the angle of the sound source were in the range 50 dBSL and 30 degrees, respectively. In the monoaural condition, the ear on the occluded side consistently showed displacement of responses toward the side of the non-occluded ear. Sound localization on the non-occluded side, however, showed various patterns of change in the monaural condition relative to the binaural condition. Cues as to the sound localization thus seem to differ with the side of the sound source.
Publication Year: 1996
Publication Date: 1996-07-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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