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Silence is golden

Jan Krüger (Eberspächer GmbH), 
Company: J. Eberspächer GmbH & Co. KG, Germany
Published: dSPACE Magazine 3/2009, Oct 2009

Noise pollution impairs the quality of life just as much as any other form of pollution, but noise cannot always be avoided. So even as far back as the 1930s, researchers began looking for ways to cancel it out with antinoise. The algorithms for active exhaust mufflers are known, and their advantages are clear, but to date it is not possible to produce electronic silencers for vehicles, except under ideal conditions. The challenge is to get these silencers out of the laboratory and onto the road.

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