2 sources | 3 sources | 4 sources | |

Source signals | a b | a b c | a b c d |

Observed signals | x1 x2 | x1 x2 x3 | x1 x2 x3 x4 |

Decomposition of observed signals (xj = Σ _{i} xji) |
x11 x12 x21 x22 |
x11 x12
x13 x21 x22 x23 x31 x32 x33 |
x11 x12
x13 x14 x21 x22 x23 x24 x31 x32 x33 x34 x41 x42 x43 x44 |

Separated signals | y1 y2 | y1 y2 y3 | y1 y2 y3 y4 |

Average SIR (dB) | 17.34 | 12.49 | 9.26 |

- H. Sawada, R. Mukai, S. Araki, S. Makino, "A Robust and Precise
Method for Solving the Permutation Problem of Frequency-Domain Blind
Source Separation," 4th International Symposium on Independent
Component Analysis and Blind Signal Separation (ICA2003), pp. 505-510,
Apr. 2003. (Paper: PDF)

- H. Sawada, R. Mukai, S. Araki, S. Makino, "A Robust Approach to
the Permutation Problem of Frequency-Domain Blind Source Separation,"
IEEE International Conference on Acoustics, Speech, and Signal
(ICASSP2003), pp. 381-384, Apr. 2003.

- H. Sawada, R. Mukai, S. Araki, S. Makino, "Convolutive Blind
Source Separation for more than Two Sources in the Frequency Domain,"
IEEE International Conference on Acoustics, Speech, and Signal
(ICASSP2004), accepted.

- H. Sawada, R. Mukai, S. de la Kethulle, S. Araki, S. Makino,
"Spectral Smoothing for Frequency-Domain Blind Source Separation,"
International Workshop on Acoustic Echo and Noise Control
(IWAENC2003), pp. 311-314, Sep. 2003. (Paper: PDF)