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Title: HRIR Factorisation: A Regularised Approach
Sponsor: Science Foundation Ireland
Irish Research Council for Science Engineering and Technology
Author's Homepage:
Keywords: Audio engineering
HRIR factorisation
Issue Date: 2010
Citation: Claire Masterson, Gavin Kearney, Frank Boland, HRIR Factorisation: A Regularised Approach, Proceedings of the 18th European Signal Processing Conference (EUSIPCO 2010), 18th European Signal Processing Conference (EUSIPCO-2010), Aalborg, Denmark, August 23-27, 2010, 2010
Abstract: HRIR factorisation allows the extraction of a common direction in- dependent component from a set of HRIRs leaving a set of rela- tively short direction dependent filters and provides both memory and computational savings in real time spatial audio applications. In this paper this technique is improved by introducing weighted regularisation to the iterative least squares process. This allows for a more robust algorithm, that is initial condition independent. Two forms of regularisation are introduced, one which allows the ITD to be maintained in the process and one which is suitable for minimum phase HRIRs. Results are shown which demonstrate the effective- ness of both variants of this technique.
Description: PUBLISHED
Appears in Collections:Electronic & Electrical Eng (Scholarly Publications)

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