Batch and online underdetermined source separation using Laplacian Mixture Models
Some samples demonstrating the algorithms and the experiments proposed and conducted in the following paper are presented here: Batch Processing
Online Processing - Stationary mixing
Online Processing - Non-Stationary mixing
"Batch and online underdetermined source separation using Laplacian Mixture Models", IEEE Transactions in Audio, Speech and Language Processing, Vol. 15, No. 6, pp. 1818 - 1832, August 2007.
"Underdetermined Source Separation using Mixtures of Warped Laplacians ", International Conference on Independent Component Analysis and Source Separation (ICA), London, UK, September 2007.
Five Uncorrelated Audio sources - Case 1
Sources: Source l - Source 2 - Source 3 - Source 4 - Source 5
Mixture: Mixed Signal (Stereo)
WLMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
LMM-Soft: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
LMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Hard-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Soft-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
DUET: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Five Uncorrelated Audio sources - Case 2
Sources: Source l - Source 2 - Source 3 - Source 4 - Source 5
Mixture: Mixed Signal (Stereo)
WLMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
LMM-Soft: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
LMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Hard-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Soft-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
DUET: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4 -
Separated Source 5
Latino 1
Sources: Source l - Source 2 -
Source 3 - Source 4
Mixture: Mixed Signal (Stereo)
WLMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Soft: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hard-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Soft-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
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DUET: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Latino 2
Sources: Source l - Source 2 -
Source 3 - Source 4
Mixture: Mixed Signal (Stereo)
WLMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Soft: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hard-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Soft-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
DUET: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Groove
Sources: Source l - Source 2 -
Source 3 - Source 4
Mixture: Mixed Signal (Stereo)
WLMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Soft: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
LMM-Hard: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Hard-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Soft-LOST: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
DUET: Separated Source 1 - Separated Source 2 -
Separated Source 3 - Separated Source 4
Three Uncorrelated Audio sources - Distant Directions of Arrival
Sources: Source l - Source 2 - Source 3
Mixture: Mixed Signal (Stereo)
Online-LMM: Separated Source 1 - Separated Source 2 -
Separated Source 3
Online-Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3
Three Uncorrelated Audio sources - Closer Directions of Arrival
Sources: Source l - Source 2 - Source 3
Mixture: Mixed Signal (Stereo)
Online-LMM: Separated Source 1 - Separated Source 2 -
Separated Source 3
Online-Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3
Three Uncorrelated Audio sources - Similar Sinusoidal movement
Sources: Source l - Source 2 - Source 3
Mixture: Mixed Signal (Stereo)
Online-LMM: Separated Source 1 - Separated Source 2 -
Separated Source 3
Online-Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3
Three Uncorrelated Audio sources - Different movement
Sources: Source l - Source 2 - Source 3
Mixture: Mixed Signal (Stereo)
Online-LMM: Separated Source 1 - Separated Source 2 -
Separated Source 3
Online-Hyvarinen: Separated Source 1 - Separated Source 2 -
Separated Source 3