bibdrums t1_j2dviqg wrote
Reply to comment by theperfectmuse in Eli5 How exactly does Noise cancellation work? That too in such small airbuds by Professional-Ad3441
Sound travels in waves. The waves travel toward your ears and vibrate your ear drums. Noise cancelling headphones send a wave of the exact shape and speed toward the wave coming at your ear and they crash into each other and the energy from both dissipates.
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