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Evaluation of Distributed-Mode Loudspeakers in Sound Reinforcement and PA Systems

The unique signal generation and radiation characteristics of Distributed Mode Loudspeakers (DML) suggests that they should find effective application in Sound Reinforcement and Public Address/Announcement systems. In particular, their reduced boundary interaction and diffuse, wide radiation properties should be of benefit. This paper reports the results of theoretical modeling studies, and both site and laboratory measurements. It is shown that the Distributed Mode Loudspeakers can be successfully employed in such situations but that traditional sound system assessment techniques may need revising and extending in order to adequately deal with this class of loudspeaker.

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