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A comment on Scientists say you can cancel the noise but keep your window open. Parent comment

Re:Scientists say you can cancel the noise but keep your win... by danielheath on Sunday July 12, 2020 @12:15AM (#23808752)
> Only for quite high frequency sounds which change very quickly.

I have young kids at home. Those are the exact sounds I’d want to cancel!

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Re:Scientists say you can cancel the noise but keep your win... by jacquesm on Sunday July 12, 2020 @05:45AM (#23810175)
That's still < 4 KHz.
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