Browsing by Subject "Speech synthesis"

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    Interframe differential coding of line spectrum frequencies
    (IEEE, 1994) Erzin, E.; Çetin, A. Enis
    Line spectrum frequencies (LSF's) uniquely represent the linear predictive coding (LPC) filter of a speech frame. In many vocoders LSF's are used to encode the LPC parameters. In this paper, an inter-frame differential coding scheme is presented for the LSF's. The LSF's of the current speech frame are predicted by using both the LSF's of the previous frame and some of the LSF's of the current frame. Then, the difference resulting from prediction is quantized.
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    ItemOpen Access
    Interframe differential vector coding of line spectrum frequencies
    (IEEE, 1993-04) Erzin, Engin; Çetin, A. Enis
    Line Spectrum Frequencies (LSF's) uniquely represent the Linear Predictive Coding (LPC) filter of a speech frame. In many vocoders LSF's are used to encode the LPC parameters. In this paper, an interframe differential coding scheme is presented for the LSF's. The LSF's of the current speech frame are predicted by using both the LSF's of the previous frame and some of the LSF's of the current frame. Then, the difference vector resulting from prediction is vector quantized.