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Convention Paper

The Radiation Characteristics of a Horizontally Asymmetrical Waveguide that Utilizes a Continuous Arc Diffraction Slot

Authors: Hayashi, Soichiro; Mochimaru, Akira; Fidlin, Paul F.

AES Convention 133 · Paper 8709 · October 2012

Abstract

One of the unique requirements for sound reinforcement speaker systems is the need for flexible coverage control—sometimes this requires an asymmetrical pattern. Vertical control can be achieved by arraying sound sources, but in the horizontal plane, a horizontally asymmetrical waveguide may be the best solution. In this paper the radiation characteristics of horizontally asymmetrical waveguides with continuous arc diffraction slots are discussed. Waveguides with several different angular variations are developed and their radiation characteristics are measured. Symmetrical and asymmetrical waveguides are compared, and the controllable frequency range and limitations are discussed.

Details

Published in
AES Convention 133
AES Convention
133
Paper number
8709
Publication date
October 6, 2012
Session subject
Measurement and Models
Affiliation
Bose Corporation, Framingham, MA, USA (See document for exact affiliation information.)
Type
Convention Paper