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基于头传递相关函数库开展对双耳时间差和强度差与声源距离线索关联的研究。采用三组头相关传递函数库(基于KEMAR人工头的PKU&IOAHRTFs库、基于KEMAR人工头但不包括耳廓的PKU&IOAHATFs库和基于球模型的HRTF库),研究了距离对双耳定位线索的影响(包括ITD和IID)。分析结果表明,距离在双耳定位中有非常重要的作用,尤其在近场环境下,距离对双耳线索的影响是明显的。
Research on Correlation between Lead Time and Strength Difference and Sound Source Distance Based on Head Transfer Correlation Function Library. The effect of distance on binaural localization clues was investigated using three head-related transfer function libraries (PKU & IOAHRTFs library based on KEMAR artificial head, PKU & IOAHATFs library based on KEMAR artificial head but excluding auricle, and HRTF library based on spherical model) ITD and IID). The analysis shows that the distance plays an important role in binaural positioning. Especially in near-field environment, the effect of distance on binocular cues is obvious.