Sound files associated with the paper

A Bayesian approach for blind separation of sparse sources
C. Févotte and S. J. Godsill

Submitted to IEEE Trans. Speech and Audio Processing



Underdetermined mixture with 20dB additive noise

Mix 1           Mix 2

Student t prior + MCMC :     Estimated source 1     Estimated source 2     Estimated source 3

Finite Mixture of Gaussians + EM :   Estimated source 1     Estimated source 2     Estimated source 3

Original source 1      Original source 2      Original source 3


Determined mixture with 9.5dB additive noise

Mix 1       Mix 2            Mix 3

Student t prior + MCMC :     Estimated source 1     Estimated source 2     Estimated source 3

Finite Mixture of Gaussians + EM :   Estimated source 1     Estimated source 2     Estimated source 3

Original source 1      Original source 2      Original source 3