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(3)可听化演示实验的图形所谓可听化实验,就是在音响工程项目开工之前的声学设计阶段,通过EASE声学软件程序计算,即可预听到厅堂和扩音系统在完工之后的音质效果。它又分为直达声预听和直达声加混响声的预听。现以直达声预听为例进行实验预听。直达声预听是把“干”信号(既直接由扬声器输出的信号),加上由卷积器按照听音点与扬声器的距离、听音位置与扬声器的方位角、中间有无阻挡等进行计
(3) The graphic of the audible demonstration experiment The so-called audible experiment is the acoustic design stage before the acoustic engineering project is started. The sound quality of the auditorium and the sound amplification system after completion can be pre-calculated by the EASE acoustic software program calculation effect. It is divided into direct pre-listening and direct sound mixing sound pre-listening. Listen now as an example of direct pre-listening experiment. Direct sound pre-listen is the “dry” signal (both directly from the speaker output signal), plus by the convolve in accordance with the listening point and the distance between the speaker, listening position and the speaker’s azimuth, the middle of the block Etc.