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Development of Sports Car Sound for Hybrid Super Sports Cars

Article of Honda R&D Technical Review Vol.29 No.1

Summary

Developing the sports car sound for the next-generation Acura NSX Sports Hybrid required a unique approach to vehicle noise and vibration development. Starting with a holistic acoustic strategy for the vehicle platform design, insulation package and chassis isolation specifications were constructed to accentuate cabin quietness during hybrid driving. Employing multiple acoustic technologies, devices and control strategies, specific frequency and order content was enhanced to maintain the original NSX heritage sound while adding functional purpose to audibly communicate instantaneous power unit feedback to the driver. Execution of this strategy achieved the vehicle sound concept and the hybrid super sports car segment competitiveness was redefined.

Reference

(1) Tiikoja, H., Rammal, H., Abom, M., Boden, H.: Sound Transmission in Automotive Turbochargers, SAE Paper, No. 2011-01-1525
(2) Kobayashi, Y., Inoue, T., Sano, H., Takahashi, A., Sakamoto, K.: Active Sound Control in Automobiles, in INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 2008, No. 4, Institute of Noise Control Engineering, 2008, p. 5001-5009
(3) Dunne, G.: Recent Advances in Powertrain Sound Quality Hardware Tuning Devices and Perspectives on Future Advances, SAE Paper, No. 2009-02192
(4) Jackson, A.: A Comparison Between Active and Passive Approaches to the Sound Quality Tuning of a High Performance Vehicle, SAE Paper, No. 2013-01-1878
(5) Park, D., Jo, E., Hong, S.: Development of Personalized Engine Sound System using Active Sound Design Technology, SAE Paper, No. 2015-01-2216

Author (organization or company)

Steven EICH(HONDA R&D AMERICAS, INC.)、Jared COX(HONDA R&D AMERICAS, INC.)、Hiroshi YANAGASE(Automobile R&D Center)

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