ZHANG Heng, FU Qiang, YAN Yonghong. Speech Enhancement Using Compact Microphone Array and Applications in Distant Speech Acquisition[J]. Chinese Journal of Electronics, 2009, 18(3): 481-486.
Citation: ZHANG Heng, FU Qiang, YAN Yonghong. Speech Enhancement Using Compact Microphone Array and Applications in Distant Speech Acquisition[J]. Chinese Journal of Electronics, 2009, 18(3): 481-486.

Speech Enhancement Using Compact Microphone Array and Applications in Distant Speech Acquisition

  • Received Date: 2008-05-01
  • Rev Recd Date: 2008-09-01
  • Publish Date: 2009-08-25
  • In this paper, a novel two-element-microphone-array-based speechenhancement algorithm is proposed. This algorithm is designed toachieve better overall performance with relatively small array size. Afrequency domain adaptive null-forming is used, in which adaptive noisecancelation is implemented in auditory subbands. And an OM-LSA basedpostfiltering stage further purifies the output. The algorithm alsofeatures interaction between the array processing and the postfilter tomake the filter adaptation more robust. This approach achievesconsiderable improvement on Signal-to-noise ratio (SNR) and subjectivequality of the desired speech. Experiments confirm the effectiveness ofthe proposed system.
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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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