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唱过卡拉OK的朋友,想必都有过这样的经历吧:当您正把话筒音量开大的时候,一声尖利的啸叫声突然从喇叭传来,所谓的声反馈现象发生了。声反馈不仅严重破坏了现场效果,严重的还会烧掉高音单元,危害极大。其实在专业扩音领域也经常遇到声反馈的问题,不管您的设备有多么高级,调整多么仔细,一不小心话筒朝向扬声器时,反馈还是发
Kara OK karaoke friends, must have had this experience: when you are the microphone volume is large, a sharp whistle suddenly came from the speaker, the so-called acoustic feedback phenomenon took place. Acoustic feedback not only severely damaged the scene, but also severe tweeter burn, great harm. In fact, in the field of professional amplification are often encountered acoustic feedback problem, no matter how advanced your equipment, adjust how careful, accidentally when the microphone toward the speaker, the feedback or hair