The directivity of a sound bar of slender shape is analyzed. Measurements are compared to the results of a boundary element method. A good agreement is obtained in the low-mid frequency range. In order to reduce the computing time, a geometrical approximation based on a spheroidal analytical model is also considered. This approximation holds up to a certain frequency. The spheroid shape produces a more regular sound field pattern.

Authors: Roggerone, Vincent; Boutillon, Xavier; Corteel, Etienne
Affiliations: Ecole Polytechnique, Palaiseau, France; Sonic Emotion Labs, Paris, France(See document for exact affiliation information.)
AES Convention: 140 (May 2016) Paper Number: 9576
Publication Date: May 26, 2016
Subject: Rendering Systems

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