How Noise Cancelling Headphones Create Silence

In the world's quietest room these alternating patterns of material that have little spaces in between them they act as a diffuser for the sounds. Not only because of its of what it's the denseness of it it bunches up like so you can kind of squeeze it together where it creates these natural kind of ripples which not only absorb the sound but diffuse it too. And there's there's one other thing that we can talk about or I'll briefly mention which is sound cancellation. It's a little different from soundproofing. Actually in a way it's the opposite because you actually have to create sound with sound cancellation.