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Author:

Zhu, Jinru (Zhu, Jinru.) | Bao, Changchun (Bao, Changchun.) (Scholars:鲍长春) | Cheng, Rui (Cheng, Rui.)

Indexed by:

CPCI-S

Abstract:

In this paper, a multi-channel speech enhancement method with the minimum variance distortionless response (MVDR) beamforming method based on the time-frequency (T-F) masking is proposed. In this study, First, the logarithmic power spectrum (LPS) features of multi-channel signals are used as input features to estimate a T-F mask of the reference microphone by the deep neural network (DNN) model. Then, the estimated mask is utilized to calculate speech covariance matrix that is used to estimate a steering vector for constructing the MVDR beamformer. The steering vector is estimated by the generalized eigen-value decomposition (GEVD) method. Finally, the output speech of the beamformer is processed by the DNN-based IRM model. In order to prove the effectiveness of the proposed method, the perceptual evaluation of speech quality (PESQ) and the segment signal-to-noise ratio (SSNR) are employed. The experimental results show that the proposed method effectively increased the PESQ and SSNR.

Keyword:

multi-channel speech enhancement T-F masking DNN MVDR beamforming

Author Community:

  • [ 1 ] [Zhu, Jinru]Beijing Univ Technol, Fac Informat Technol, Speech & Audio Signal Proc Lab, Beijing 100124, Peoples R China
  • [ 2 ] [Bao, Changchun]Beijing Univ Technol, Fac Informat Technol, Speech & Audio Signal Proc Lab, Beijing 100124, Peoples R China
  • [ 3 ] [Cheng, Rui]Beijing Univ Technol, Fac Informat Technol, Speech & Audio Signal Proc Lab, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Zhu, Jinru]Beijing Univ Technol, Fac Informat Technol, Speech & Audio Signal Proc Lab, Beijing 100124, Peoples R China

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Source :

CONFERENCE PROCEEDINGS OF 2019 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, COMMUNICATIONS AND COMPUTING (IEEE ICSPCC 2019)

Year: 2019

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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