Multiactuator panels have been used as an alternative to classical loudspeakers in wave field synthesis because of their added benefits: low-visual profile and diffuse radiation. Panels consist of a thin, stiff panel with a small back volume, which vibrates by a group of mechanical exciters. Because of their diffuse pattern and omnidirectionality, individual components of the sound pressure field merge correctly to form a larger sweet spot in the reproduction space. A comprehensive review of prototype panels in many research projects reveals the relevant issues, such as spatial aliasing, room acoustics, and finite boundaries.

Authors: Pueo, Basilio; López, José J.; Escolano, José; Hörchens, Lars
Affiliations: Communication and Social Psychology Department, University of Alicante, Alicante, Spain; iTeAM Institute, Universidad Politecnica de Valencia, Valencia, Spain; Telecommunication Engineering Department, Polytechnic School, University of Jaen, Jaen, Spain; Laboratory of Acoustic Imaging and Sound Control, Delft University of Technology, Delft, The Netherlands(See document for exact affiliation information.)
JAES Volume 58 Issue 12 pp. 1045-1063; December 2010
Publication Date: February 3, 2011

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