Abstract

In this paper, we address the estimation of power spectral density (PSD) matrix. The accurate estimation of PSD matrix plays an important role in many speech enhancement methods. In traditional PSD estimation methods, only the information of previous frames is employed through a forgetting factor. In the current research, we consider the correlation of inter-band components and incorporate their information to compute the PSD matrix more accurately. The simulation results are presented to confirm the efficiency of this method. They show that the performance of the speech enhancement method is substantially improved by using the proposed PSD estimation technique.

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