清晰度指数 meaning in Chinese

ai
articulation index

Methods for the calculation of the articulation index
清晰度指数的计算方法
Acoustics - methods for the calculation of the articulation index of speech
声学语言清晰度指数的计算方法
Standard test method for objective measurement of speech privacy in open offices using articulation index
使用声音清晰度指数在敞开式办公室内对谈话保密性进行客观量度的标准试验方法