And in the audio world that's when the microphone gets too close to its sound source, and then it gets in this self-destructive loop that creates a very unpleasant sound.
在音頻的世界裏， 當麥克風離它的 音源太近時， 它會產生自我消音的迴圈， 這會產生讓人非常不舒服的聲音。