Sound reproducing apparatus for use in vehicle

Terai, Kenichi

doi:10.1121/1.400351

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2018

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“…With the help of these components, a surrounding sound system was implemented. Honda Motor designed a sound reproducing apparatus for vehicle in 1990 . The apparatus takes advantage of a acoustic duct and a loudspeaker placing in the duct.…”

Section: Introductionmentioning

confidence: 99%

Three‐dimensional sound reproduction in vehicle based on data mining technique

Zhang

Jiang

2018

Concurrency and Computation

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Three-dimensional (3D) audio reproduction technique is a hot topic since MPEG proposed a proposal for 3D audio standard in 2012. The present 3D reproduction method is not available in vehicle because the loudspeaker configuration does not meet the requirements of the methods. In this paper, we develop a regression model to reproduce sound pressure in vehicle using a data mining algorithm. A big sound pressure dataset is established based on acoustic theory. We analyze this dataset and propose a stepwise regression model training and testing on this dataset. Both the Mean Square Error and Root Mean Square Error are rather small, and all the residuals such as raw residuals, Pearson Residuals, Studentized residuals, and Standardize residuals are small as well. The experiments indicate that the proposed reproduction system accurately simulates the theoretical sound reproduction system.

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Section: Introductionmentioning

confidence: 99%