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Variational EM for Binaural Sound-Source Separation and Localization

Antoine Deleforge 1, * Florence Forbes 2 Radu Horaud 1
* Corresponding author
1 PERCEPTION [2007-2015] - Interpretation and Modelling of Images and Videos [2007-2015]
Inria Grenoble - Rhône-Alpes, LJK [2007-2015] - Laboratoire Jean Kuntzmann [2007-2015], Grenoble INP [2007-2019] - Institut polytechnique de Grenoble - Grenoble Institute of Technology [2007-2019]
2 MISTIS [2007-2015] - Modelling and Inference of Complex and Structured Stochastic Systems [2007-2015]
Inria Grenoble - Rhône-Alpes, LJK [2007-2015] - Laboratoire Jean Kuntzmann [2007-2015], Grenoble INP [2007-2019] - Institut polytechnique de Grenoble - Grenoble Institute of Technology [2007-2019]
Abstract : The sound-source separation and localization (SSL) problems are addressed within a unified formulation. Firstly, a mapping between white-noise source locations and binaural cues is estimated. Secondly, SSL is solved via Bayesian inversion of this mapping in the presence of multiple sparse-spectrum emitters (such as speech), noise and reverberations. We propose a variational EM algorithm which is described in detail together with initialization and convergence issues. Extensive real-data experiments show that the method outperforms the state-of-the-art both in separation and localization (azimuth and elevation).
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https://hal.inria.fr/hal-00823453
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Submitted on : Friday, May 17, 2013 - 8:56:33 AM
Last modification on : Thursday, July 23, 2020 - 10:02:02 AM
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Antoine Deleforge, Florence Forbes, Radu Horaud. Variational EM for Binaural Sound-Source Separation and Localization. ICASSP 2013 - 38th International Conference on Acoustics, Speech, and Signal Processing, May 2013, Vancouver, Canada. pp.76-80, ⟨10.1109/ICASSP.2013.6637612⟩. ⟨hal-00823453⟩

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