How does the microphone on a MacBook not cause feedback?

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On a MacBook, I can be in a Zoom Meeting and speak into the MacBook Mic, while also listening to the meeting via the MacBook speakers. How is it possible for the mic to only receive my voice (and not also the sound of the meeting coming out of the speakers)?

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19 Answers

Anonymous 0 Comments

The computer knows what sound it is producing so it cuts it out of the audio it records. That’s why it warns you that you may cause an echo if you change some audio settings. It won’t know how the sound is made that it needs to cancel out

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