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Spherical Harmonic Analysis of Equalization in Reverberant Room

Betlehem, Terence; Abhayapala, Thushara


In this paper, we investigate the performance of acoustic equalization in reverberant environments. We first highlight an efficient general representation of a sound field using spherical harmonics. We then use this representation to develop a concise closed-form expression for robustness of equalization to sensor movement. This expression is used (i) to characterize equalization performance for a general class of non-isotropic sound fields and (ii) to quantify the improvements to equalizer...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Conference paper
Source: Proceedings of the 2004 IEEE International Conference on Acoustics, Speech and Signal Processing


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