Time-frequency interpolation with application to low rate...

Details Time-frequency interpolation with application to low rate... Time-frequency interpolation with application to low rate...

G - Physics

10

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G10L 19/02 (2006.01) G10L 11/06 (2006.01) G10L 19/00 (2006.01) G10L 9/00 (1995.01)

Patent

CA 2105269

A method for high quality speech coding is disclosed which offers advantages over conventional CELP (code-excited linear predictive) algorithms for low rate coding. The method, Time-Frequency Interpolation (TFI), provides a perceptually advantageous for voiced speech processing. The general formulation of the TFI technique is described.

L'invention est une méthode de codage vocal de grande qualité qui offre certains avantages par rapport aux algorithmes de prédiction linéaire courants pour le codage à faible débit. Cette méthode d'interpolation temps-fréquence offre un avantage perceptif pour le traitement de la parole et est décrite dans la divulgation.

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