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本文分别研究了43名及60名正常人的声源定位偏差及声源位置辨别阈.声源定位的水平偏差平均为3.1°,垂直偏差平均为4.7°,总偏差平均为5.7°.当声源在正前方水平位置、与受试者相距1.15米时,正常人的声源位置辨别阈平均为3.5°.用双耳强度差法测得的声源位置辨别阈平均为0.70分贝.用双耳时相差法测得的声源位置辨别阈平均为28.5微秒.文中对声源定位水平偏差及用几种方法测得的声源位置辨别阈进行了比较,并讨论了它们的一致或不一致的原因.
In this paper, 43 and 60 normal subjects were studied for localization of sound source and discrimination of sound source position.The average horizontal deviation of sound source localization was 3.1 °, the average vertical deviation was 4.7 ° and the average total deviation was 5.7 ° .When sound When the source was at an anterior horizontal position and the distance from the subject was 1.15 meters, the average threshold of the sound source position of normal persons was 3.5 °. The average of the sound source position discrimination threshold measured by the binaural intensity difference method was 0.70 dB. Ear-phase contrast method to determine the location of the sound source to identify the average threshold of 28.5 microseconds.This paper compares the level of sound source localization and several methods to determine the location of the sound source discrimination threshold and discuss their consistency or inconsistency s reason.