Creaking, chirping, and humming: how a special team localizes car background noise


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Tracing, analyzing, and correcting disruptive noises in cars – that is the mission that Audi’s Rustle and Rattle team has dedicated itself to. For that purpose, the acoustics professionals send vehicles over vibration tracks and mix in hydropulse equipment and shakers that vibrate drastically. They use familiar, everyday vocabulary to name the noises that arise – but success in their work depends on making fine distinctions.

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Audi

Audi AG is a German automotive manufacturer of luxury vehicles headquartered in Ingolstadt, Bavaria, Germany. A subsidiary of the Volkswagen Group, the company’s origins date back to the early 20th century and the initial enterprises (Horch and the Audiwerke) founded by engineer August Horch (1868–1951). Two other manufacturers (DKW and Wanderer) also contributed to the foundation of Auto Union in 1932. The modern Audi era began in the 1960s, when Volkswagen acquired Auto Union from Daimler-Benz, and merged it with NSU Motorenwerke in 1969.
Official website: Audi (Global), Audi (USA)

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