Partial separation method for solving permutation problem in frequency domain blind source separation of speech signals

This paper addresses the well known permutation problem in frequency domain blind source separation. The proposed method uses correlation between two signals in each DFT bin to solve the permutation problem. One of the signals is partially separated by a time domain blind source separation method an...

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Main Authors: Reju, Vaninirappuputhenpurayil Gopalan, Koh, Soo Ngee, Soon, Ing Yann
其他作者: School of Electrical and Electronic Engineering
格式: Article
語言:English
出版: 2011
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在線閱讀:https://hdl.handle.net/10356/94136
http://hdl.handle.net/10220/7006
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機構: Nanyang Technological University
語言: English
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總結:This paper addresses the well known permutation problem in frequency domain blind source separation. The proposed method uses correlation between two signals in each DFT bin to solve the permutation problem. One of the signals is partially separated by a time domain blind source separation method and the other is obtained by the frequency domain blind source separation method. Two different ways of configuring the time and frequency domain blocks, i.e., in parallel or cascade, have been studied. The cascaded configuration not only achieves a better separation performance but also reduces the computational cost as compared to the parallel configuration.