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INTENSITY VECTOR DIRECTION EXPLOITATION FOR EXHAUSTIVE BLIND SOURCE SEPARATION OF CONVOLUTIVE MIXTURES

Gunel, B, Hacihabiboglu, H and Kondoz, AM (2009) INTENSITY VECTOR DIRECTION EXPLOITATION FOR EXHAUSTIVE BLIND SOURCE SEPARATION OF CONVOLUTIVE MIXTURES In: IEEE International Conference on Acoustics, Speech and Signal Processing, 2009-04-19 - 2009-04-24, Taipei, TAIWAN.

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Abstract

This article presents a technique that uses the intensity vector direction exploitation (IVDE) method for exhaustive separation of convolutive mixtures. While only a four-element. compact sensor array is used, multiple channels for all possible source directions are produced by exhaustive separation. Singular value decomposition (SVD) is then applied to determine the signal subspace and the directions of the local maxima of the signal energy. This information is then used to select the channels containing the individual sources. While the original IVDE method requires the prior knowledge of the directions of sources for separation, the present method eliminates this need and achieves fully blind separation. Performing SVD at a post-processing stage also improves the sound quality. The method has been tested for convolutive mixtures of up to four sources and typical separation performances are given.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Gunel, Bb.gunel@surrey.ac.ukUNSPECIFIED
Hacihabiboglu, HUNSPECIFIEDUNSPECIFIED
Kondoz, AMa.kondoz@surrey.ac.ukUNSPECIFIED
Date : 2009
Contributors :
ContributionNameEmailORCID
publisherIEEE, UNSPECIFIEDUNSPECIFIED
Uncontrolled Keywords : BSS, coincident array, intensity, deterministic, SVD
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:09
Last Modified : 17 May 2017 14:54
URI: http://epubs.surrey.ac.uk/id/eprint/830232

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