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在会议、演出、报告、演讲等户内外活动音响扩音时,出现声反馈、甚至啸叫现象是让人无法容忍的。好多时候,音响师面对的是一个矛盾,尽量完美的爆棚效果和战战兢兢的增益提升,演员和使用者们不关心系统的潜在危险,会一味地追求最好的互动而台上台下大范围地活动,可能不小心话筒对准了音箱,瞬间出现了啸叫等等。那么就产生了一个问题,如何抑
In meetings, performances, reports, speeches and other indoor and outdoor activities sound amplification, the emergence of acoustic feedback, or even howling phenomenon is intolerable. In many cases, the sound engineer is faced with a contradiction, as far as possible the perfect explosion effect and trembling gains, actors and users do not care about the potential of the system will blindly pursue the best interaction and the stage a large range To activities, may not be careful microphone aligned speakers, instantly appeared howling and so on. Then there is a problem, how to suppress it