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如何解決聲反饋問題?

更新時間:2014-06-10 18:45:47 作者: 來源:

聲反饋:事實與假設
彩民交流论坛專業音響中最常見的問題之一是"用什么樣的話筒才不會產生聲反饋?"當然,這個問題的答案是:這樣的話筒不存在。聲反饋源于諸多因素的結合,包括揚聲器的位置、話筒的位置、這兩種設備的頻率響應和房間的聲學特性等等。

什么是聲反饋?
聲反饋的特點是,它是一種持續的嘯叫聲,可能是低沉的隆隆聲或是刺耳的尖嘯。聲反饋與由房間聲學特性引起的回聲和混響、地面嗡嗡聲以及其它雜音是不一樣的,不能用同樣的方式消除。

聲反饋是由什么導致的?

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出現聲反饋時我該怎樣做?

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