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Clever workaround to silence the iOS camera shutter sound

12 wppp 3 5/2/2025, 9:04:28 AM stackoverflow.com ↗

Comments (3)

danhau · 7h ago

I believe this is also how active noise cancelling headphones work. Take audio, negate sample amplitude, playback with original at the same time.

1 + -1 = 0 aka. phase cancellation

lofaszvanitt · 9h ago

This is what volvo did in order to cancel out the audible engine noise in their early cars. At least thats what I heard from pitk.

sammyteee · 10h ago

Very nice!