
Most of the times, you find a great problem in conversing with other in a room or over the phone when an aircraft takes off over your roof and the situation becomes worse if you are living near to airport or in some noisy locality.
Now, the researchers at the Fraunhofer Institute for Structural Durability and System Reliability LBF and Darmstadt University of Technology have come up with a solutiuon to this problem. They have developed the first-ever windows with active sound insulation or the noise-absorbing soundproof windows. Dr. Thilo Bein said:
Tests have shown that our windows are capable of lowering noise levels by an average of six decibels at frequencies between 50 and 1000 hertz. The perceived noise indoors is only half as loud.
When the strong noise waves collide with the edifice, they get proliferated into the interiors through many paths including windows. Windows quiver and bring the sound to the interiors. Well, researchers have now found a solution to prevent the propagation of sound energy.
Windows also comprise a thin chip of piezoelectric material to thwart vibration by producing an oscillation at the same pitch. The prototype of the soundproof window will be exhibited at the Hannover Fair from April 16 to 20 and the real product is expected to hit the shelves in about four years from now.

























