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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. – Reinstate Monica iamnotmaynard 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. – Tor-Einar Jarnbjo 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. – Trotski94 Jun 23 '16 at 13:54

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