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On-line Convolutive Blind Source Separation of Non-Stationary Signals

Published: 01 August 2000 Publication History

Abstract

We have shown previously that non-stationary signals recorded in a static multi-path environment can often be recovered by simultaneously decorrelating varying second order statistics. As typical sources are often moving, however, the multi-path channel is not static. We present here an on-line gradient algorithm with adaptive step size in the frequency domain based on second derivatives, which we refer to as multiple adaptive decorrelation (MAD). We compared the separation performance of the proposed algorithm to its off-line counterpart and to another decorrelation based on-line algorithm.

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Cited By

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  • (2014)Real-time blind audio source separationThe Journal of Supercomputing10.1007/s11227-014-1252-470:3(1555-1576)Online publication date: 1-Dec-2014
  • (2009)MIMO-AR system identification and blind source separation for GMM-distributed sourcesIEEE Transactions on Signal Processing10.1109/TSP.2008.201182557:5(1717-1730)Online publication date: 1-May-2009
  • (2007)Blind audio source separation using sparsity based criterion for convolutive mixture caseProceedings of the 7th international conference on Independent component analysis and signal separation10.5555/1776684.1776727(317-324)Online publication date: 9-Sep-2007
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      Published In

      cover image Journal of VLSI Signal Processing Systems
      Journal of VLSI Signal Processing Systems  Volume 26, Issue 1-2
      August 2000
      177 pages

      Publisher

      Kluwer Academic Publishers

      United States

      Publication History

      Published: 01 August 2000

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      View all
      • (2014)Real-time blind audio source separationThe Journal of Supercomputing10.1007/s11227-014-1252-470:3(1555-1576)Online publication date: 1-Dec-2014
      • (2009)MIMO-AR system identification and blind source separation for GMM-distributed sourcesIEEE Transactions on Signal Processing10.1109/TSP.2008.201182557:5(1717-1730)Online publication date: 1-May-2009
      • (2007)Blind audio source separation using sparsity based criterion for convolutive mixture caseProceedings of the 7th international conference on Independent component analysis and signal separation10.5555/1776684.1776727(317-324)Online publication date: 9-Sep-2007
      • (2006)Permutation correction in the frequency domain in blind separation of speech mixturesEURASIP Journal on Advances in Signal Processing10.1155/ASP/2006/752062006(177-177)Online publication date: 1-Jan-2006
      • (2004)Blind separation of convolutive mixtures by decorrelationSignal Processing10.1016/j.sigpro.2004.07.02484:12(2297-2313)Online publication date: 1-Dec-2004
      • (2003)Universal synchronization scheme for distributed audio-video capture on heterogeneous computing platformsProceedings of the eleventh ACM international conference on Multimedia10.1145/957013.957067(263-266)Online publication date: 2-Nov-2003
      • (2003)Adaptive separation of acoustic sources for anechoic conditionsSpeech Communication10.1016/S0167-6393(02)00060-239:1-2(79-95)Online publication date: 1-Jan-2003

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