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Spherical Harmonic Analysis of Wavefields Using Multiple Circular Sensor Arrays

Abhayapala, Thushara; Gupta, Aastha


Spherical harmonic decomposition of wavefields is not only an active problem in acoustic signal processing but also a useful tool in a plethora of applications such as 3-D beamforming, direction of arrival estimation, and spatial sound recording. This paper presents a novel array structure consisting of a set of parallel circular arrays of sensors to decompose a wavefield into spherical harmonic components. The new structure presented here provides an alternative design to the traditional...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: IEEE Transactions on Audio, Speech, and Language Processing
DOI: 10.1109/TASL.2009.2038821


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