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3D sound field analysis using circular higher-order microphone array

Chen, Hanchi; Abhayapala, Thushara; Zhang, Wen


This paper proposes the theory and design of circular higher-order microphone arrays for 3D sound field analysis using spherical harmonics. Through employing the spherical harmonic translation theorem, the local spatial sound fields recorded by each higher-order microphone placed in the circular arrays are combined to form the sound field information of a large global spherical region. The proposed design reduces the number of the required sampling points and the geometrical complexity of...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Conference paper
Source: 2015 23rd European Signal Processing Conference, EUSIPCO 2015
DOI: 10.1109/EUSIPCO.2015.7362564
Access Rights: Open Access


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