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About Multichannel Speech Signal Extraction and Separation Techniques

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Author(s): Adel Hidri | Souad Meddeb | Hamid Amiri

Journal: Journal of Signal and Information Processing
ISSN 2159-4465

Volume: 03;
Issue: 02;
Start page: 238;
Date: 2012;
Original page

Keywords: Beamforming | ICA | T-F Masking | BSS | Multichannel | Speech Separation | Microphone Array

ABSTRACT
The extraction of a desired speech signal from a noisy environment has become a challenging issue. In the recent years, the scientific community has particularly focused on multichannel techniques which are dealt with in this review. In fact, this study tries to classify these multichannel techniques into three main ones: Beamforming, Independent Component Analysis (ICA) and Time Frequency (T-F) masking. This paper also highlights their advantages and drawbacks. However these previously mentioned techniques could not afford satisfactory results. This fact leads to the idea that a combination of those techniques, which is depicted along this study, may probably provide more efficient results. Indeed, giving the fact that those approaches are still be considered as being not totally efficient, has led us to review these mentioned above in the hope that further researches will provide this domain with suitable innovations.
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