Vehicle Interior Acoustic Package Optimization

Industry: Automotive

Applications: Standardized Testing

An automotive OEM chose Sound Answers to assess the opportunity for cost reduction in relation to the interior treatments for road noise. Operating noise measurements were conducted both on-road and within hemi-anechoic chassis dynamometer with rough shells. Objective 1/3 octave data and sound quality metrics were calculated for all cost-reduced interior package iterations to ensure road noise performance was not degraded. An optimized configuration was identified that maintained NVH performance and resulted in savings of $1 million/year and 7 lb/vehicle.

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