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Substantial-Long-461 t1_iy8856e wrote

NC make opposing soundwaves but don't physically block noises. Fast cars, trash trucks make vibration I can feel when they pass. I'd need to physically block (earplugs) to reduce, measured in db on the package.

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The_Falc0n t1_iy8zedr wrote

On the contrast that’s exactly what ANC does. It produced sound waves that destructively interfere with the existing sound waves so that they are effectively destroyed or reduced in power by the time they reach your eardrum. Additionally ANC headphones encourage the user to listen to their music at lower volumes as they don’t need to drown out exterior noise, also helping reduce ear damage

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Dahlia-la-la-la t1_iy8chc3 wrote

I’m no scientist but yes to this response. It’s what I was thinking too.

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