Variational EM for Binaural Sound-Source Separation and Localization

Antoine Deleforge 1, * Florence Forbes 2 Radu Horaud 1
* Auteur correspondant
1 PERCEPTION - Interpretation and Modelling of Images and Videos
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
2 MISTIS - Modelling and Inference of Complex and Structured Stochastic Systems
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
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).
Type de document :
Communication dans un congrès
ICASSP 2013 - 38th International Conference on Acoustics, Speech, and Signal Processing, May 2013, Vancouver, Canada. IEEE, pp.76-80, 2013, 〈10.1109/ICASSP.2013.6637612〉
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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. IEEE, pp.76-80, 2013, 〈10.1109/ICASSP.2013.6637612〉. 〈hal-00823453〉

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