Methods and apparatus for transmitting, receiving, and...

H - Electricity – 04 – L

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Details

H04L 9/00 (2006.01) H04L 29/06 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2370586

This disclosure describes systems and methods for processing voice data (110, 150) for secure transmission and secure receipt over a network, such as the Internet (250). The systems and methods include the processing of analog voice and digital information, including conversion of a voice signal into digital information (215) (or of digital information into a voice signal (290)) and transmission (240) (or receipt (265)) of digital information representing voice data over a network (250). The analog-to-digital conversion (215) (and digital-to-analog conversion (290)) is followed by coding (220) (or decoding (285)) digital information according to voice coding techniques, constructing (225) (or deconstructing (280)) a voice frame, and encrypting (230) (or decrypting (275)) digital information according to the encryption techniques. The transmission (240) (or receival (265)) of the digital information includes the creation (235) (or break down (270)) of a secure voice frame.

Cette invention concerne des systèmes et des procédés permettant de traiter des données vocales (110, 150) en vue de leur émission et de leur réception en toute sécurité au sein d'un réseau, Internet (250) par exemple. La démarche consiste à traiter une voix analogique et des informations numériques, notamment à transformer un signal vocal en une information numérique (215) (ou une information numérique en un signal vocal (209)) et à émettre (240) (ou à recevoir (265)) des informations numériques correspondant à des données vocales via un réseau (250). La conversion analogique-numérique (215) (et la conversion numérique-analogique (290)) est suivie d'un codage (220) (ou d'un décodage (285)) d'informations numériques selon des techniques de codage vocale, de la construction (225) (ou de la déconstruction (280)) d'une trame vocale, et du cryptage (230) (ou du décryptage (275)) d'informations numériques au moyen de techniques de cryptage. L'émission (240) (ou la réception (235)) comprend la création (235) (ou la fragmentation (270)) d'une trame vocale sure.

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