Time warping frames inside the vocoder by modifying the...

Details Time warping frames inside the vocoder by modifying the... Time warping frames inside the vocoder by modifying the...

G - Physics

10

L

G10L 19/14 (2006.01) G10L 21/04 (2006.01)

Patent

CA 2600713

In one embodiment, the present invention comprises a vocoder having at least one input and at least one output, an encoder comprising a filter having at least one input operably connected to the input of the vocoder and at least one output, a decoder comprising a synthesizer having at least one input operably connected to the at least one output of the encoder, and at least one output operably connected to the at least one output of the vocoder, wherein the encoder comprises a memory and the encoder is adapted to execute instructions stored in the memory comprising classifying speech segments and encoding speech segments, and the decoder comprises a memory and the decoder is adapted to execute instructions stored in the memory comprising time- warping a residual speech signal to an expanded or compressed version of the residual speech signal.

Dans un mode de réalisation, la présente invention comprend un vocodeur ayant au moins une entrée et au moins une sortie, un encodeur comprenant un filtre ayant au moins une entrée reliée fonctionnellement à l~entrée du vocodeur et au moins une sortie, le vocodeur comprenant un synthétiseur ayant au moins une entrée reliée fonctionnellement à au moins une sortie de l~encodeur, et au moins une sortie reliée fonctionnellement à au moins une sortie du vocodeur, dans lequel l~encodeur comprend une mémoire et l~encodeur est adapté à l~exécution d~instructions stockées dans la mémoire comprenant l~alignement temporel d~un signal vocal résiduel avec une version comprimée ou compressée du signal vocal résiduel.

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