I can turn it off with a button, is it only software driven?
In: 3
> is it only software driven?
Yes.
There’s things called destructive interference.
Active Noise canceling in airpods and other products work with listening microphones and
then playing an opposite noise it effectively cancels out the outside noise. The button just turns that feature on or off. It’s why it works well against repetitive noises like transit but is a little imperfect for sharp impulses or constantly changing noises.
An easy metaphor is imagine someone splashing in a pool across from you. It makes ripples in the water. But the ripples can be canceled out by also splashing from your side. When the two waves meet they cancel each other out.
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