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“Sono” is supposed to turn your window into an advanced noise canceling system that allows you to eliminate and/оr control the sounds that pass through:

Gajitz writes:

Created by industrial designer Rudolf Stefanich, the Sono sticks to glass surfaces and literally allows you to dial down unwanted noise. After it receives a sound’s vibrations, it reprocesses them much like the active noise cancellation technology used in certain headphones. Sono’s interface acts as a dial, letting you choose which sounds you want blocked from your fortress of solitude.

Does this work?

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    The theory certainly seems solid. However, the page you linked to states that it is "[c]urrently just a working prototype" (and doesn't give any clue as to how well it's "working" or how close to production), so I'm not sure if this counts as a notable claim. Feb 10 '16 at 16:30
  • Similar techniques are used in cars to reduce road, wind and engine noise. There is no reason why not the same principles could be used elsewhere. Feb 11 '16 at 12:07
  • As said before the theory behind it is already widely employed in active noise canceling systems from mid-tier headphones to cars to construction sites; I cant see why the same ideas cant apply to windows.
    – James T
    Jun 23 '16 at 13:54

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