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Theory and design of high order sound field microphones using spherical microphone array

Abhayapala, Thushara; Ward, Darren B

Description

A major problem in sound field reconstruction systems is how to record the higher order (> 1) harmonic components of a given sound field. Spherical harmonics analysis is used to establish theory and design of a higher order recording system, which comprises an array of small microphones arranged in a spherical configuration and associated signal processing. This result has implications to the advancement of future sound field reconstruction systems. An example of a third order system for...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Conference paper
URI: http://hdl.handle.net/1885/74969
Source: International Conference on Acoustics, Speech and Signal Processing 2002

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