How does microphone feedback work?

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How does microphone feedback work?

In: Technology

3 Answers

Anonymous 0 Comments

The microphone is listening to the sound around it. That sound is then played to the speaker. If the microphone can hear what is coming from the speaker, it forms a loop – speaker -> microphone -> speaker -> microphone -> … that is feedback. Technically, positive feedback.

The solution is to make the microphone not hear the speaker – giving you three options.

1. move the speaker further from, or pointing away from the microphone.
2. Reduce the gain on the microphone (it’s sensitivity – so you have to be closer to the mic to be heard.)
3. Reduce the volume of the speaker.

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