Systems, methods, and apparatus for signal change detection

Details Systems, methods, and apparatus for signal change detection Systems, methods, and apparatus for signal change detection

G - Physics

10

L

G10L 11/02 (2006.01) G10L 19/00 (2006.01)

Patent

CA 2657420

Disclosed configurations include systems, methods, and apparatus arranged to generate a sequence of spectral tilt values that is based on inactive frames of a speech signal. For each of a plurality of inactive frames of the speech signal, a transmit decision is made according to a change calculated among at least two corresponding values of the sequence. The outcome of the transmit decision determines whether a silence description is transmitted for the corresponding inactive frame.

Les configurations selon la présente invention comprennent des systèmes, des procédés et un appareil conçus pour générer une séquence de valeurs d'inclinaison spectrale qui est basée sur des trames inactives d'un signal de parole. Pour chacune des multiples trames inactives du signal de parole, une décision de transmission est prise en fonction d'un changement calculé entre au moins deux valeurs correspondantes de la séquence. Le résultat de la décision de transmission détermine si une description de silence est transmise pour la trame inactive correspondante.

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