Friends engaged in the professional audio industry screaming the speakers are deeply disgusted. In order to eliminate howling, people almost rack their brains. The sound area of the speaker cannot take sound isolation measures. The sound of the speakers can easily pass through the space to the microphone, so it cannot be eradicated. We can only find out the reason howling, and then try to avoid it.

The reason for howling may occur:

1. Use the microphone and speakers at the same time;

2. The sound of the sound discharge can be passed to the microphone through space;

3. The sound of the speakers is large enough, and the sensitivity of the microphone is high enough.

From the perspective of the level of audio accidents, the silence and howling are the biggest accidents. Therefore, the audio boxer must enter the biggest possibility to avoid the occurrence of howling the phenomenon to ensure the normal progress of the soundproof.

It can effectively avoid how to scream:

1. Keep the microphone away from the speaker;

2. Reduce the volume of the microphone road;

3. Use the pointing characteristics of speakers and microphones to avoid their respective points;

4. Use frequency shifts;

5. Use the balancer and feedback suppressor;

6. Reasonably choose speakers and microphones.