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Interior and exterior sound field control using general two-dimensional first-order sources

Poletti, Mark; Abhayapala, Thushara


Reproduction of a given sound field interior to a circular loudspeaker array without producing an undesirable exterior sound field is an unsolved problem over a broadband of frequencies. At low frequencies, by implementing the Kirchhoff-Helmholtz integral using a circular discrete array of line-source loudspeakers, a sound field can be recreated within the array and produce no exterior sound field, provided that the loudspeakers have azimuthal polar responses with variable first-order responses...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of the Acoustical Society of America
DOI: 10.1121/1.3518772
Access Rights: Open Access


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