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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 nitrogen on Saturday July 11, 2020 @09:48PM (#23807967)
I found that my Bose NC headphones would produce deafening feedback squeal if I rolled onto my side, so beware that possibility.
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Re:Scientists say you can cancel the noise but keep your win... by mgkimsal on Sunday July 12, 2020 @09:36AM (#23811194)
oh yes, without a doubt, I'd noticed that in some cases, and eventually, if/when they 'crack', it's just a tiny sliver of a hairline crack in one which lets air in and produces that same loud feedback squeal. ouch!
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