Auxiliary Function-Based Algorithm for Blind Extraction of a Moving Speaker
Recently, Constant Separating Vector (CSV) mixing model has been proposed for the Blind Source Extraction (BSE) of moving sources. In this paper, we experimentally verify the applicability of CSV in the blind extraction of a moving speaker and propose a new BSE method derived by modifying the auxili...
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| creator | Janský, Jakub Koldovský, Zbyněk Málek, Jiří Kounovský, Tomáš Čmejla, Jaroslav |
| description | Recently, Constant Separating Vector (CSV) mixing model has been proposed for the Blind Source Extraction (BSE) of moving sources. In this paper, we experimentally verify the applicability of CSV in the blind extraction of a moving speaker and propose a new BSE method derived by modifying the auxiliary function-based algorithm for Independent Vector Analysis. Also, a piloted variant is proposed for the method with partially controllable global convergence. The methods are verified under reverberant and noisy conditions using {\color{red} simulated as well as real-world acoustic conditions}. They are also verified within the CHiME-4 speech separation and recognition challenge. The experiments corroborate the applicability of CSV as well as the improved convergence of the proposed algorithms. |
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| subjects | Acoustic noise Algorithms Control methods Convergence Microphones Speech recognition Vector analysis |
| title | Auxiliary Function-Based Algorithm for Blind Extraction of a Moving Speaker |
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