This result shows that that the pinna and concha have almost no effect no sound localization in horizontal plane, which means spectral characteristic does not possihly dominate in horizorntal plane.

• 实验表明耳廓和外耳道对水平方向的声音定位几乎无影响，也就是说在水平方向上的声音定位，耳廓和外耳道的滤波、共振等改变声波频谱特性作用可能不明显。