Abstract
The noise level and sound quality of the powertrain system is arguably one of the most significant influences on the customer’s perception of a new car. This chapter describes the process for integrating the powertrain into passenger vehicles. The first step in the process is to set targets for the vibration source levels and isolation of paths to meet the noise level requirements. The second step is to incorporate enablers to tailor the induction and exhaust sound quality in order to meet the customer’s expectation of the vehicle. The chapter concludes with a review of future powertrain trends and the challenges they pose for noise and vibration refinement.
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