Previously, soundproof windows and heavy curtains were the only ways to keep away loud noises.
Noise Filtering Device may Help You Sleep Better
However, an Austrian industrial designer Rudolf Stefanich has created a 'Sono' device that sticks on windows and turns it into a filter for disruptive noises such as horns and construction work, the Huffington Post reported.
Pleasant sounds like birds chirping can even be allowed to come inside the home with just a turn of a knob.
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