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- W4238674002 abstract "A method of representing the speech signal by time-varying parameters relating to the shape of the vocal tract and the glottal-excitation function is described. The speech signal is first analyzed and then synthesized by representing it as the output of a discrete linear time-varying filter, which is excited by a suitable combination of a quasiperiodic pulse train and white noise. The output of the linear filter at any sampling instant is a linear combination of the past output samples and the input. The optimum linear combination is obtained by minimizing the mean-squared error between the actual values of the speech samples and their predicted values based on a fixed number of preceding samples. A 10th-order linear predictor was found to represent the speech signal band-limited to 5kHz with sufficient accuracy. The 10 coefficients of the predictor are shown to determine both the frequencies and bandwidths of the formants. Two parameters relating to the glottal-excitation function and the pitch period are determined from the prediction error signal. Speech samples synthesized by this method will be demonstrated." @default.
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- W4238674002 date "1970-01-01" @default.
- W4238674002 modified "2023-09-25" @default.
- W4238674002 title "Speech Analysis and Synthesis by Linear Prediction of the Speech Wave" @default.
- W4238674002 doi "https://doi.org/10.1121/1.1974658" @default.
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