Atm switch voice server module utilizing flag signalling

H - Electricity – 04 – J

Patent

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Details

H04J 3/22 (2006.01) H04L 12/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2316951

An ATM switch voice server module (18) has an interface (20) for receiving/multiplexing high adaptation layer (AAL) processor (40) which formats uncompressed data into AAL1 format and compressed data into AAL2 format, a management processor (50) which configures the interface (20) and the processors (30, 40), and preferably a data bus for carrying compressed voice data and a flag bus for carrying flags generated by the voice processor (30) relating to the voice data which are both coupled to the AAL processor (40), with the voice processor (30) ignoring all but the voice data portion of the data stream and the AAL processor (40) ignoring the voice data portion of the data stream. The voice processor (30) includes an array of digital signal processors (DSPs), including a plurality of rows and columns, with each row also including a field programmable gate array (FPGA).

L'invention porte sur un module (18) de serveur vocal à commutation ATM possédant une interface (20) et destiné à recevoir/multiplexer un processeur (40) à couche d'adaptation élevée (AAL) qui formate des données non comprimées en format AAL1 et des données comprimées en format AAL2; un processeur de gestion (50) qui configure l'interface (20) et les processeurs (30, 40), et de préférence un bus de données qui achemine des données comprimées et un bus indicateur qui achemine des indicateurs générés par le processeur (30) vocal par rapport aux données vocales qui sont couplées au processeur (40) AAL, le processeur (30) vocal ignorant tout, sauf la partie données vocales du flux de données, et le processeur AAL ignorant la partie données vocales du flux de données. Le processeur (30) vocal est constitué d'un ensemble de processeurs de signaux numériques (DSP) comprenant une pluralité de rangées et de colonnes, chaque rangée comprenant également un ensemble de portes programmables par l'utilisateur (FPGA).

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