分析了多媒体综合教室的声反馈啸叫问题的成因和常规消除声反馈啸叫的方法。
This article discusses the producing mechanism about sound feedback of loud-speaking system inside room and the methods and skills of restraining it.
扩声系统中普遍存在由声反馈导致的啸叫问题。
The acoustic feedback even howling is a well-known problem in sound reinforcement system.
二是保证系统的稳定性，以免在声反馈严重时引起啸叫。
When feedback is serious, the sound-amplifying systems even can not work.
dsp数字移频反馈控制器，由dsp数字移频-dsp自动数字滤波器组成，根据现场环境dsp软件自动寻找啸叫点并锁定，无需人工调节。
Dsm dsp frequency feedback controller is made of dsp shift frequency and dsp automatism digital filter. dsp software searches howl point and lock it by locale condition with no adjusting.
设有声反馈防啸叫功能，能有效减小回受啸叫。
设有声反馈防啸叫功能，能有效减小回受啸叫。
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