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Clever workaround to silence the iOS camera shutter sound
(
stackoverflow.com
)
15 points
by
wppp
9 months ago
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3 comments
danhau
9 months ago
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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
9 months ago
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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
9 months ago
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Very nice!
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1 + -1 = 0 aka. phase cancellation