Geometric source separation: merging convolutive source separation with geometric beamforming

@article{Parra2002GeometricSS,
  title={Geometric source separation: merging convolutive source separation with geometric beamforming},
  author={Lucas C. Parra and Christopher V. Alvino},
  journal={IEEE Trans. Speech and Audio Processing},
  year={2002},
  volume={10},
  pages={352-362}
}
Blind source separation of broad band signals in a multi-path environment remains a di cult problem. Robustness has been limited due to frequency permutation ambiguities. Increasing the number of sensors allows improved performance but introduces degrees of freedom in the separating lters that are not determined by separation criteria. We propose to further shape the lters and improve the robustness of blind separation by including geometric information such as sensor positions and localized… CONTINUE READING
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