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人类不借助视觉，仅凭耳朵就能够准确地辨别出声源的左右、上下和前后的空间位置，这就是听觉的空间感。根据现有的研究成果，我们知道，用双耳听音时，人耳在水平方向上对声源方向的辨别要比垂直方向好一些。当声源处于听音者的正前方时，即水平方位角为0度时，一个正常听觉的
Without the aid of vision, human beings can accurately distinguish the sound source from the left, right, up and down and front and back of the space just by the ear, which is the spatial sense of hearing. According to the existing research results, we know that with the binaural listening, the human ear recognizes the direction of the sound source in the horizontal direction better than the vertical direction. When the sound source is in front of the listener, that is, when the horizontal azimuth is 0 degree, a normal hearing