Intelligent noise insulatio: Calculations of the vibration of wood panels with ’black holes’. Image: Empa
Intelligent noise insulatio: Calculations of the vibration of wood panels with 'black holes'. Image: Empa Anyone who lives in an old building with wooden floors knows the problem: Even if the neighbors from above glide across the floor with graceful elegance, it sounds as if you were living under a bowling alley. Impact sound is a challenge even for the most modern wooden buildings. Scientists at Empa are now tinkering with a solution. Research is currently being completed at Empa on a world-first in the sound insulation of wooden buildings. Using a physical theory from the 1990s and the tools of digitization, a research team has developed new floor elements made of solid wood panels that have so-called acoustic black holes. The brilliant idea came from Stefan Schoenwald, head of Empa's Building Acoustics laboratory in Dübendorf.
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