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Communication Dans Un Congrès Année : 2013

Variational EM for Binaural Sound-Source Separation and Localization

Résumé

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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Dates et versions

hal-00823453 , version 1 (17-05-2013)

Identifiants

Citer

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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