子带MCRASC-MGSC微型麦克风阵语音增强算法

doi:10.3969/j.issn.1001-2400.2010.06.006

Abstract

Abstract:

Speech enhancement with the mini-typed microphone array is of great value in speech communication and speech recognition with mini-typed devices. By employing the Multi-channel Crosstalk Resistant Adaptive Signal Cancellation(MCRASC) technique, a more efficient module for signal blocking is presented for the subband Modified Generalized Sidelobe Cancellation(MGSC) method, and thus a more feasible algorithm is proposed for mini-typed array based speech enhancement. Theoretic analysis and experimental results in real environment have verified the availability and advantages of the proposed algorithm. The signal to noise ratio has been improved by 12.5dB for the enhanced speech by the proposed algorithm compared with the subband MGSC algorithm in the experiment.

Key words: microphone array, speech enhancement, generalized sidelobe cancellation, subband

ZENG Qing-ning;OUYANG Shan. Subband MCRASC-MGSC algorithm for speech enhancement with the mini-typed microphone array[J].J4, 2010, 37(6): 1011-1016.

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Subband MCRASC-MGSC algorithm for speech enhancement with the mini-typed microphone array

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