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wintersdark t1_j2dic0k wrote

Reply to comment by stevey83 in Eli5 How exactly does Noise cancellation work? That too in such small airbuds by Professional-Ad3441

Not really, no. You're cancelling our outside noise, but the sound made by the speakers inside is largely unaffected.

In practice, the cancellation is imperfect (that is, you can't use ANC to obtain total silence) so remaining outside sound will impact resultant listening quality...

But that's the case without ANC too, and it's worse then.

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