Abstract
The sound character of electric vehicles extremely differs from internal combustion engine vehicles. While the electric vehicle development is still in the beginning, there is potential to consider customer expectations very early in the development process, to have an impact on the typical desired electric vehicle sound on market launch and to generate unique selling propositions in competition between vehicle manufacturers. The current electric powertrain noise is perceived as inconvenient and nonaesthetical especially on long journeys. A complete reduction of this powertrain noise emphasizes the perception of wind and rolling noise and avoids feedback of velocity and load dependency, which decreases emotional impression. Futuristic sounds by sound design systems have to be evaluated by customers and revised in their acceptance and authenticity. Besides the improvement of the sound character, sound design systems can additionally be used to influence the informative acoustic feedback of driving and vehi...
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