Development of a Practical DSP Car Audio System

Paper #:
  • 920081

Published:
  • 1992-02-01
Citation:
Asami, T., Okamoto, M., Mochiyama, Y., and Nakamura, H., "Development of a Practical DSP Car Audio System," SAE Technical Paper 920081, 1992, https://doi.org/10.4271/920081.
Pages:
15
Abstract:
Digital signal processors (DSPs) are being used widely for sound field reproduction. However, it is difficult to apply a DSP to a car audio system because of the complicated acoustic characteristics of the passenger compartment. The authors have developed a new car audio system which employs special DSP software and a new speaker layout to provide excellent presence. The DSP has five output channels to generate stereophonic reflection from the front and rear speakers. The DSP software is programmed for each individual car model. A center speaker and A-pillar tweeters are used to produce a natural sound field in front through effective utilization of reflection from the windshield. This system is featured in 1992 Nissan models.
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