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- W4211227496 abstract "Nonnegative matrix factorization (NMF) has shown high effectiveness to perform supervised speech separation. In this context, nonnegative spectral basis matrices representing sources in an observed mixture, are trained independently. The trained matrices are used later to compute the corresponding nonnegative temporal activation matrices. Estimations of the source signals in the mixture are obtained through Wiener gains by minimizing the Euclidean distance between true and estimated source signals. In this paper, we propose to quantify such a distance using the Beta-divergence ( <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$beta$</tex> -divergence), which has been successfully used to accomplish NMF. The proposed gains are derived by minimizing the distance measured by the divergence, and it is involved afterward in the context of supervised NMF for speech separation. The experimental evaluation concludes that the gain computed by the Beta-divergence with <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$beta=1.5$</tex> , provides better performance compared to the conventional Wiener gain." @default.
- W4211227496 created "2022-02-13" @default.
- W4211227496 creator A5007282822 @default.
- W4211227496 date "2021-12-16" @default.
- W4211227496 modified "2023-09-30" @default.
- W4211227496 title "Spectro-temporal Filtering based on The Beta-divergence for Speech Separation using Nonnegative Matrix Factorization" @default.
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- W4211227496 doi "https://doi.org/10.1109/isriti54043.2021.9702880" @default.
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