“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?