eli5: What is happening when you put a microphone up to speaker it is connected to?

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Edit: Vibrationally what is happening? What would it look like in waveforms?

I’m wondering because it’s the closest thing I can think of that represents an auditory paradox. And I’m curious what that would look like.

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Anonymous 0 Comments

The speaker is playing the first sound the microphone picks up, then the microphone picks up the sound the speaker plays. This loop happens over and over causing the sound to get louder and louder

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