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[Video, The Verge] Hear how the best ANC headphones handle real world and lab tests
(www.youtube.com)
This is a most excellent place for technology news and articles.
The noise cancelling barely worked I throught so didn't really see what the point was.
Those were broken or you weren't using them properly. I assure you, much as this video reported, the noise cancelling works quite well.
...and has been since the first generation. That's what made them a best selling item from scratch. I remember the first one was commented at the time "a close competitor" to the Bose, but by now they stand their own ground.