Abstract
Vehicle sounds play an important role concerning customer satisfaction and can show another differentiating factor of brands. With an online survey of 1762 German and American customers, the requirement characteristics of high-quality vehicle sounds were determined. On the basis of these characteristics, a requirement profile was generated for every analyzed sound. These profiles were investigated in a second study with 78 customers using real vehicles.The assessment results of the vehicle sounds can be represented using the dimensions “timbre”, “loudness”, and “roughness/sharpness”. The comparison of the requirement profiles and the assessment results show that the sounds which are perceived as pleasant and high–quality, more often correspond to the requirement profile. High-quality sounds are characterized by the fact that they are rather gentle, soft and reserved, rich, a bit dark and not too rough. For those sounds which are assessed worse by the customers, recommendations for improvements can be derived.
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