Electric vehicles have become so quiet that they actually pose a safety hazard to drivers of other vehicles as well as to pedestrians, both of whom are accustomed to reacting to traditional combustion engine sounds. In response to this unique danger, governments around the world are introducing regulations requiring automobile manufacturers to re-introduce sound to the full line-up of electric vehicles. In considering how to best deal with these challenges, Nissan identified an opportunity to use sound, not only to meet the new safety and awareness standards, but also to create an iconic "sound experience" that would promote the brand identity of its electric vehicle portfolio. Successful implementation of a brand-aligned and emotionally appealing sound palette would help effectively and sustainably differentiate Nissan's vehicles, in an increasingly crowded marketplace (and, in fact, streetscape).

The science of sound