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- W4313139212 abstract "In the scenario with reverberation, the experience of human-machine interaction will become worse. In order to solve this problem, many methods for the dereverberation have emerged. At present, how to update the parameters of the Kalman filter in the existing dereverberation methods based on multichannel linear prediction (MCLP) is a challenging task, especially, accurate power spectral density (PSD) estimation of target speech. In this paper, minimum variance distortionless response (MVDR) beamformer and MCLP are effectively fused in the dereverberation, where the PSD of target speech used for Kalman filter is modified in the MCLP. In order to construct a MVDR beamformer, the PSD of late reverberation and the PSD of the noise are estimated simultaneously by the blocking-based PSD estimator. Thus, the PSD of target speech used for Kalman filter can be obtained by subtracting the PSD of late reverberation and the PSD of the noise from the PSD of observation signal. Compared to the reference methods, the proposed method shows an outstanding performance." @default.
- W4313139212 created "2023-01-06" @default.
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- W4313139212 date "2022-10-25" @default.
- W4313139212 modified "2023-09-26" @default.
- W4313139212 title "An Effective Dereverberation Algorithm by Fusing MVDR and MCLP" @default.
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- W4313139212 doi "https://doi.org/10.1109/icspcc55723.2022.9984583" @default.
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