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- W2937785061 abstract "Blind source separation (BSS) has been widely utilized for recovering a set of source signals from their mixtures. When the mixture is convolutive, source separation can be solved in the frequency domain but involves several challenges including the scaling uncertainty and the permutation indeterminacy. This paper presents a sliding k-means algorithm to handle the permutation problem. Experiments were conducted by playing the source files to a pair of loudspeakers and obtaining the mixture by microphones. Objective indices are then defined to evaluate the separation performance based on the actual frequency responses. Results have shown that the standard k-means method alone can consistently achieve > 90.5% permutation accuracy in different parameter settings. After introducing the proposed sliding process, the permutation accuracy further rises. Compared to a previous de-permutation method [1], the present method has a more stable performance against parameter variations in terms of its permutation accuracy and signal-to-interference ratio (SIR)." @default.
- W2937785061 created "2019-04-25" @default.
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- W2937785061 date "2019-05-01" @default.
- W2937785061 modified "2023-09-23" @default.
- W2937785061 title "Stereo Source Separation in the Frequency Domain: Solving the Permutation Problem by a Sliding K-means Method" @default.
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- W2937785061 doi "https://doi.org/10.1109/icassp.2019.8683571" @default.
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