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Wave field synthesis based concept car for high-quality automotive sound

: Brix, S.; Sladeczek, C.; Franck, A.; Zhykhar, A.; Clausen, C.; Gleim, P.

Kostek, B. ; Audio Engineering Society -AES-:
Automotive audio München 2012. The proceedings of the AES 48th international conference : 2012, September 21 - 23, Munich, Germany
New York, NY: AES, 2012
ISBN: 978-0-937803-88-2
Audio Engineering Society (AES International Conference) <48, 2012, München>
Conference Paper
Fraunhofer IDMT ()

There is an increasing demand for spatially accurate high-quality sound reproduction in automotive audio. Although cars are typically multi-listener environments, existing solutions are commonly limited to a sweet spot or a small number of positions. Wave field synthesis (WFS) is a spatial sound reproduction technique that enables superior spatial accuracy over an extended listening area, but requires a large number of loudspeakers and has a very high computational complexity. Integrating a WFS system into a car is therefore a challenging task. This paper describes an implementation of a real-Time WFS system that is fully integrated into the interior of a ridable concept car. This prototype is used to investigate the possibilities of WFS for in-car environments. The sound system is combined with a sophisticated room simulation to enable real-To-life auralization. Besides the possibility to evaluate in-car WFS reproduction, this concept car is a convenient development pl atform to explore a wide range of loudspeaker setups and sound reproduction algorithms. Copyright