Blind Two-Channel Speech Source Separation Based on Localization

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Alisufi H.; KHADEMI M.; EBRAHIMI MOGHADDAM A.

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Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR Year:2021 | Volume:19 | Issue:1 Page(s): 59-64

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Information Journal Paper

Title

Blind Two-Channel Speech Source Separation Based on Localization

Author(s)

Alisufi H. | KHADEMI M. | EBRAHIMI MOGHADDAM A. | Issue Writer Certificate

Keywords

Angular spectrogramQ1

generalized cross correlationQ1

blind speech separationQ1

Abstract

This paper presents a new method for blind two-channel speech sources separation without the need for prior knowledge about speech sources. In the proposed method, by weighting the mixture signal spectrum based on the location of the speech sources in terms of distance to the microphone, the speech sources are separated. Therefore, by forming an angular spectrum by generalized cross-correlation function, the speech sources in the mixture signal are localized. First, by creating an Angular spectrogram by generalized cross-correlation function, the speech sources in the mixture signal are localized. Then according to the location of the sources, the amplitude of the mixture signal spectrum is weighted. By multiplying the weighted spectrum by the values obtained from the Angular spectrograms, a binary mask is constructed for each source. By applying the binary mask to the amplitude of the mixture signal spectrum, the speech sources are separated. This method is evaluated on SiSEC database and the measurement tools and criteria contained in this database are used for evaluation. The results show that the proposed method is comparable in terms of the criteria available in the database to the competing ones, has lower computational complexity.

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APA: Copy

Alisufi, H., KHADEMI, M., & EBRAHIMI MOGHADDAM, A.. (2021). Blind Two-Channel Speech Source Separation Based on Localization. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, 19(1 ), 59-64. SID. https://sid.ir/paper/398730/en

Vancouver: Copy

Alisufi H., KHADEMI M., EBRAHIMI MOGHADDAM A.. Blind Two-Channel Speech Source Separation Based on Localization. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR[Internet]. 2021;19(1 ):59-64. Available from: https://sid.ir/paper/398730/en

IEEE: Copy

H. Alisufi, M. KHADEMI, and A. EBRAHIMI MOGHADDAM, “Blind Two-Channel Speech Source Separation Based on Localization,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, vol. 19, no. 1 , pp. 59–64, 2021, [Online]. Available: https://sid.ir/paper/398730/en

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