Downsizing and Downspeeding topics by traditional commercial vehicles have been a negative impact on the vibration and acoustic properties of the vehicle. However, Brand image and safety regulations push the investment on NVH. Nowadays, Electrified Vehicles (BEV & PHEV) are getting into the play and boost the significance of the Acoustics. NVH properties of Electrified Vehicles play an important role in contrast to traditional cars.
While the dominated acoustic source of tradional cars is engine, Wind Noise and Artifical Sounds are more important for BEV & PHEV designs. Further, HVAC Noise and E-Powertrain based problems may have been priorisied.
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