Referencing earlier work by the authors on the boundary effects in an automotive vehicle interior on the mid-to-high frequency timbral changes in the sound field due to the proximity to loudspeakers of reflective, semi-rigid surfaces, modeling of midsize loudspeakers in the interior of an vehicle is reported on, as well as modeled results for a specific case are given. The first model will use characteristic boundary conditions, with no model updates. The second model is derived from a model update procedure for low- and high-frequencies that involves the results from the first model and measured data from the vehicle. The larger scope of the study will be to find optimal locations for midranges and tweeters in instrument panels, doors, rear decks, and any of the pillar locations available in the automotive interior. For the instrument panel, the locations of interest are the left, right, and center. To test the validity of the process, the authors began with a simulation of a loudspeaker in the center channel location on the instrument panel and a simple optimization of its location and angle of orientation.
Considerations for the optimal location and boundary effects for loudspeakers in an automotive interior
2010
28 Seiten, 27 Bilder, 5 Quellen
Conference paper
English
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