Sound reproducing speed converter

Details Sound reproducing speed converter Sound reproducing speed converter

G - Physics

11

B

G11B 23/00 (2006.01) G10L 21/04 (2006.01)

Patent

CA 2242610

In the apparatus for converting a voice reproducing rate, a voice reproducing rate is converted by selecting two waveforms in input voice signals or input residual signals in which form difference between two neighboring waveforms having the same length is the minimum and calculating an overlapped waveform by overlapping these two waveforms, then replacing a part of the input voice signals or input residual signals with it or inserting the overlapped waveform into the input voice signals or the input residual signals.

L'invention concerne un convertisseur de rapidité de reproduction de sons, qui convertit la rapidité de reproduction de sons d'un signal sonore d'entrée ou d'un signal d'entrée résiduel, en sélectionnant deux formes d'onde adjacentes ayant la même longueur de sorte que l'erreur entre les formes d'onde soit la plus faible possible, en calculant une forme d'onde de chevauchement par superposition des formes d'onde, et en substituant la forme d'onde de chevauchement aux signaux sonores d'entrée ou résiduels ou en l'insérant dans ceux-ci.

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