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Vibro-Acoustic Study of Flat Panel Speakers for Better In-car Entertainment
Technical Paper
2005-01-2348
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
One potential method by which to realize better acoustic in-car entertainment with a minimum of space is to adopt very thin Flat-Panel Speakers (FPSs), which use a combination of an array of coils printed on a flexible thin plastic film and permanent magnets. In the present report, the optimal panel material was investigated through experimental modal analysis. The optimal driving unit placement over the board was then determined using FEM based modal analyses. Finally, structural modifications to the sound radiating board in order to obtain a wider efficient frequency range were investigated experimentally. Among several design alternatives, satisfactory results were obtained by either dividing the sound radiating board into virtually independent sub-panels or adding resilient damping material supported by a restraining material.
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Citation
Ishihama, M., Terada, K., and Narahara, A., "Vibro-Acoustic Study of Flat Panel Speakers for Better In-car Entertainment," SAE Technical Paper 2005-01-2348, 2005, https://doi.org/10.4271/2005-01-2348.Also In
SAE 2005 Transactions Journal of Passenger Cars: Electronic and Electrical Systems
Number: V114-7; Published: 2006-02-01
Number: V114-7; Published: 2006-02-01
References
- Ishihama Masao Takahashi Kohsuke Takatoh Oh “Guiding Visually Handicapped People by Audio Signals using Flat-Panel Speakers” Proceedings of Japan Society of Mechanical Engineers Annual Meeting September 2004
- Suganobu Takashi Iizumi Takamasa Makino Kaoru “Development of Vibro-Acoustic Design Method of Flat Panel Speakers” Proceedings of Dynamics and Design Conference Japan Society of Mechanical Engineers August 2001
- Product catalog of FPS Inc. http://www.usfps.com