Method for the quantification of the energy of the speech...

Details Method for the quantification of the energy of the speech... Method for the quantification of the energy of the speech...

G - Physics

10

L

G10L 19/06 (2006.01) G10L 19/02 (2006.01) G10L 9/00 (1990.01)

Patent

CA 2083335

13 ABSTRACT OF THE DISCLOSURE The method consists in dividing the speech signal into packets of a determined number of frames of a constant duration by the sampling of a determined number n of energy values in each frame, quantifying the first energy value measured in each first frame of a packet according to a determined number Q0 of bits and the variations of the k - 1 remaining energies in relation to the first value of the energy sampled on determined number Q1 of bits smaller than Q0, the variations of the k - 1 energies being selected from a table of "slopes" enabling each energy sample k to be assigned the energy "slope" that separates it from the energy of the "k - 1th" previous sample. Application: Vocoders. Figure 3

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