Lattice-ladder structured adaptive decorrelation filtering for co-channel speech separation

  • Authors:

  • Kuan-Chich Yen;Yunxin Zhao

  • Affiliations:

  • Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA;-

  • Venue:
  • ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 01
  • Year:
  • 2000

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Abstract

A lattice-ladder adaptive decorrelation filtering (ADF) algorithm is proposed with the aim of developing a more efficient co-channel speech separation system. It is shown that based on the joint forward and backward linear predictions, a lattice-ladder structure can be derived for ADF. Experimental results show that the proposed algorithm is effective in reducing cross-interference between co-channel speech sources and has better tracking ability on the variations in the acoustic environment compared to the original direct-form ADF algorithm.