Multiplexer of digital information packets, especially for...

H - Electricity – 04 – J

Patent

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Details

H04J 3/16 (2006.01) H04J 3/24 (2006.01) H04N 7/50 (2006.01) H04N 7/60 (2006.01) H04N 7/62 (2006.01)

Patent

CA 2203787

A device with a packetising module (C1) including a sensing circuit (22) for sensing synchronisation words in the input stream; a storage unit (23) receiving a series of input stream bytes that have been presented to the sensing circuit (22); means (32) enabling transfer to a packet memory (PM1); and a processor (26) for determining the headers of packets put together from the input stream on the basis of the synchronisation words sensed by the sensing circuit (22), writing the headers into the packet memory (Pmi), and controlling the transfer means (32) so that the length of the header of one packet can be determined while the bytes of a previous packet are being transferred from the storage unit (23) to the packet memory (PM1).

Un module de paquérisation (C1) du dispositif comprend: un circuit de détection (22) pour détecter des mots de synchronisation du flux d'entrée; une unité de stockage (23) recevant successivement les octets du flux d'entrée qui ont été présentés au circuit de détection (22); des moyens de transfert (32) vers une mémoire de paquets (PM1); et un processeur (26) pour déterminer les en-têtes des paquets construits à partir du flux d'entrée sur la base des mots de synchronisation détectés par le circuit de détection (22), écrire ces en-têtes dans la mémoire de paquets (PMi), et commander les moyens de transfert (32), de façon que la longueur de l'en-tête d'un paquet puisse être déterminée pendant que les octets d'un paquet précédent sont transférés de l'unité de stockage (23) vers la mémoire de paquets (PM1)

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