Adaptive bandwidth system and method for broadcast data

G - Physics – 08 – C

Patent

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Details

G08C 15/00 (2006.01) H04B 7/212 (2006.01) H04J 3/17 (2006.01) H04J 3/22 (2006.01) H04J 3/26 (2006.01) H04L 12/28 (2006.01) H04L 12/43 (2006.01) H04L 12/56 (2006.01) H04L 12/66 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2385230

A system and method for optimizing bandwidth efficiencies in the distribution of digital video, digital audio and data over a cable television system (10) is provided. In accordance with the invention, different transmission channels or portions thereof can be dynamically customized to contain only those digital video, digital audio and data components of value at that time to the customers served by those channels. This customization requires a dynamic bandwidth management component (40) which has the ability to monitor and react to changing customer usage patterns and to instruct a remultiplexor (38) to allocate bandwidth from digital services that require less bandwidth at a given time to services that require more bandwidth.

L'invention concerne un système et un procédé destinés à optimiser les rendements de largeur de bande dans la distribution de vidéo numérique, audio numérique et de données par un système de télévision par câble (10). Selon l'invention, différents canaux de transmission ou des parties de ceux-ci peuvent être personnalisés de façon dynamique afin de ne contenir que des constituants vidéo numériques, audio numériques et de données représentant une valeur à un moment donné pour les clients desservis par ces canaux. Cette personnalisation requiert une composante dynamique (40) de gestion de largeur de bande ayant la capacité de contrôler et de réagir aux modèles changeants d'utilisation des clients afin de donner l'instruction à un multiplexeur (38) d'attribuer une largeur de bande allant de services numériques nécessitant moins de largeur de bande à un moment donné, jusqu'à des services nécessitant plus de largeur de bande.

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