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Proceedings Paper

Sound radiation properties of dielectric elastomer electroactive polymer loudspeakers
Author(s): Richard Heydt; Roy Kornbluh; Joseph Eckerle; Ron Pelrine
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Paper Abstract

Dielectric elastomer electroactive polymer (EAP) loudspeakers have been built and demonstrated at SRI International. Dielectric elastomer loudspeakers have the advantages of being very lightweight and able to conform to any shape or surface, making them attractive as low-profile, surface-mounted speakers in rooms or vehicle interiors, and for applications in active noise control. Loudspeaker performance depends on a number of mechanical factors, such as speaker shape and mechanical bias, as well as on electrical driving characteristics. This paper discusses important aspects of loudspeaker performance, including sound pressure level and directivity.

Paper Details

Date Published: 22 March 2006
PDF: 8 pages
Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61681M (22 March 2006); doi: 10.1117/12.659700
Show Author Affiliations
Richard Heydt, SRI International (United States)
Roy Kornbluh, SRI International (United States)
Joseph Eckerle, SRI International (United States)
Ron Pelrine, SRI International (United States)


Published in SPIE Proceedings Vol. 6168:
Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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