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 platform to explore a wide range of loudspeaker setups and sound reproduction algorithms.
Authors:
Brix, Sandra; Sladeczek, Christoph; Franck, Andreas; Zhykhar, Albert; Clausen, Clemens; Gleim, Peter
Affiliations:
Audi AG, Ingolstadt, Germany; Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany(See document for exact affiliation information.)
AES Conference:
48th International Conference: Automotive Audio (September 2012)
Paper Number:
5-2
Publication Date:
September 21, 2012
Subject:
Audio Reproduction in Cars - Spatial Enhancement
Click to purchase paper as a non-member or you can login as an AES member to see more options.
No AES members have commented on this paper yet.
To be notified of new comments on this paper you can subscribe to this RSS feed. Forum users should login to see additional options.
If you are not yet an AES member and have something important to say about this paper then we urge you to join the AES today and make your voice heard. You can join online today by clicking here.