LI Kai, FU Qiang, YAN Yonghong. Speech Enhancement Using Robust Generalized Sidelobe Canceller with Multi-Channel Post-Filtering in Adverse Environments[J]. Chinese Journal of Electronics, 2012, 21(1): 85-90.
Citation: LI Kai, FU Qiang, YAN Yonghong. Speech Enhancement Using Robust Generalized Sidelobe Canceller with Multi-Channel Post-Filtering in Adverse Environments[J]. Chinese Journal of Electronics, 2012, 21(1): 85-90.

Speech Enhancement Using Robust Generalized Sidelobe Canceller with Multi-Channel Post-Filtering in Adverse Environments

  • Received Date: 2010-12-01
  • Rev Recd Date: 2011-06-01
  • Publish Date: 2012-01-05
  • In this paper, we propose a speech enhancement algorithm which has the feature of interaction between adaptive beamforming and multi-channel postfiltering. A novel subband feedback controller based on speech presence probability is applied to Generalized Sidelobe Canceller algorithm to obtain a more robust adaptive beamforming in adverse environment and alleviate the problem of signal cancellation. A multi-channel postfiltering is used not only to further suppress diffuse noises and some transient noises, but also to give the speech presence probability information in each subband. Experimental results show that the proposed algorithm achieves considerable improvement on signal preservation of the desired speech in adverse noise environments over the comparative algorithms.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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