The Secret Behind Tesla's Engine Noise
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Electric vehicles (EVs) are nearly silent because they lack internal combustion engines, which poses safety risks for pedestrians. Governments worldwide have mandated that EVs emit artificial sounds at low speeds through systems called Acoustic Vehicle Alerting Systems (AVAS). Car manufacturers now hire Hollywood sound designers and composers — such as Hans Zimmer for BMW — to craft these artificial driving sounds, which are played through hidden speakers behind the bumper.
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