ハンドル操作で回転制御したダミーヘッドで収録した動的バイノーラル音による水平面音像定位(<特集>3次元インタラクション)

概要

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This paper clarifies effects of the head-and-neck somatic and balance sense information in horizontal sound localization. In the head-still condition, a listener localized static-binaural signal keeping his head still. In the head-movement condition, a listener localized dynamic-binaural signal which is recorded with a steerable dummy head controlled by his head rotation. In the hand-movement conditions, a listener controlled the steerable dummy head by steering wheel while he kept his head still. Mean correct sound localization rate of four listeners for the head-still condition was significantly lower than those of other conditions. There was no significant difference between those of head- and hand-movement conditions. This result suggests that a listener can localize sound correctly when dynamic auditory information yielded by the rotation of a dummy head controlled by listener's spontaneous movements are available, even in the hand-movement condition where no head-and-neck somatic and balance sense information are available.
2012-12-31