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- W1995957598 abstract "Correlogram is an important representation for periodic signals. It is widely used in pitch estimation and source separation. For these applications, major problems of correlogram are its low resolution and redundant information. This paper proposes a voiced speech segregation systembased on a newly introduced concept called dynamic harmonic function (DHF). In the proposed system, conventional correlograms are further processed by replacing the autocorrelation function (ACF) with DHF. The advantages of DHF are: 1) peak's width is adjustable by controlling the variance of the Gaussian function and 2) the invalid peaks of ACF, not at the pitch period, tend to be suppressed. Based on DHF, pitch detection and effective source segregation algorithms are proposed. Our system is systematically evaluated and compared with the correlogram-based system. Both the signal-to-noise ratio results and the perceptual evaluation of speech quality scores show that the proposed system yields substantially better performance." @default.
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- W1995957598 date "2010-01-01" @default.
- W1995957598 modified "2023-10-16" @default.
- W1995957598 title "Monaural Voiced Speech Segregation Based on Dynamic Harmonic Function" @default.
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- W1995957598 doi "https://doi.org/10.1155/2010/252374" @default.
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