The whirr of electric motors is increasingly familiar as we shift away from internal combustion, but autonomous vehicles may need a soundtrack of their own, a new project by Volvo and partners concludes. Focusing on how passengers in self-driving cars will build trust in autonomous systems, as well as ways to use sound to avoid motion sickness, the two year project has come up with a recipe for a “sonic soul” that could make future transportation feel less alien.
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