对频率在４ ０００ Ｈｚ 以下的纯音、方波和噪声在有时差或强度差时的主观感受进行的直接测试结果表明，通过双耳信号产生整体单一声源感，双耳信号需要有一个以上的频率成分．单频纯音并不能独自产生声源在不同位置的主观感受，且完全没有整体单一声源的感受．实验结果还表明所有频率成分的强度差、时差在半周期以下的频率成分的时差对声源的空间位置感起作用 Direct testing of the subjective perception of pure tone, square wave and noise at frequencies below 4 000 Hz with or without time difference shows that the binaural signal needs to have more than one Frequency components. Single-frequency pure tone does not produce a subjective experience of the sound source in different locations alone, and there is absolutely no feeling of overall single sound source. The experimental results also show that the intensity difference of all the frequency components and the time difference of the frequency components below the half-cycle have an effect on the spatial position of the sound source