扩声的目的不仅是用来增强观众席的声音强度,更重要的是要获得高质量的声音,使音乐和歌声经扩声后更加优美动听,使人们陶冶在艺术天堂之中。在扩声中最大的困扰就是声反馈,一般表现为啸叫,所以很多人就习惯把声反馈直接称作为啸叫。为了保证现场有良好的音响效果且传输中有较高 The purpose of sound reinforcement is not only used to enhance the auditorium sound intensity, more importantly, to obtain high-quality sound, so that the music and singing sound after more beautiful sounds, so that people mold in the art heaven. The biggest problem in sound reinforcement is the acoustic feedback, the general performance of howling, so many people are accustomed to the sound feedback directly referred to as howling. In order to ensure that the scene has a good sound and transmission is higher