The Robustness Effect of Acoustic Source Localization on Blind Source Separation and Deconvolution Systems

We study the performance gain in blind source separation and deconvolution (BSSD) systems when acoustic source localization (ASL) has been employed as a pre-processing step. The study is organized using performance measures that are functions of the accuracy of the ASL system and the reverberation l...

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Published in2007 15th International Conference on Digital Signal Processing pp. 339 - 342
Main Authors Talantzis, F., Constantinides, A.G., Boukis, C.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2007
Subjects
Acoustic arrays
Acoustic tracking
Blind source separation
Deconvolution
Robustness
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ISBN1424408814
9781424408818
ISSN1546-1874
DOI10.1109/ICDSP.2007.4288588

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Abstract We study the performance gain in blind source separation and deconvolution (BSSD) systems when acoustic source localization (ASL) has been employed as a pre-processing step. The study is organized using performance measures that are functions of the accuracy of the ASL system and the reverberation level. We specifically investigate the cases (a) where the actual positions of the sources are known (b) where the ASL system generates estimates subject to errors. Simulations are performed using actual BSSD systems. Using derived performance measures we show that performance of a BSSD system that knows the position of the sources accurately, benefits from this apriori knowledge.
AbstractList We study the performance gain in blind source separation and deconvolution (BSSD) systems when acoustic source localization (ASL) has been employed as a pre-processing step. The study is organized using performance measures that are functions of the accuracy of the ASL system and the reverberation level. We specifically investigate the cases (a) where the actual positions of the sources are known (b) where the ASL system generates estimates subject to errors. Simulations are performed using actual BSSD systems. Using derived performance measures we show that performance of a BSSD system that knows the position of the sources accurately, benefits from this apriori knowledge.
Author Constantinides, A.G.
Boukis, C.
Talantzis, F.
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  surname: Boukis
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Snippet We study the performance gain in blind source separation and deconvolution (BSSD) systems when acoustic source localization (ASL) has been employed as a...
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StartPage 339
SubjectTerms Acoustic arrays
Acoustic tracking
Blind source separation
Deconvolution
Robustness
Title The Robustness Effect of Acoustic Source Localization on Blind Source Separation and Deconvolution Systems
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