Switched digital video client reverse channel traffic reduction

H - Electricity – 04 – N

Patent

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Details

H04N 21/437 (2011.01) H04N 21/482 (2011.01)

Patent

CA 2680851

Systems and methods are disclosed for enabling a switched digital video (SDV) client to intelligently generate and transmit reverse request in a SDV system. In this manner, reverse channel traffic is reduced. During rapid channel changes using the up and down keys on a remote control, the SDV client waits a predetermined amount of time before generating a reverse request that is subsequently transmitted upstream to a headend server. By way of example, changing broadcasted channels quickly will not generate a reverse request until the predetermined amount of time is over. In the event that a changed channel is an SDV session, a program select request is immediately generated in order to begin receiving the SDV session.

L'invention concerne des systèmes et des procédés pour permettre à un client vidéo numérique commuté (SDV) de générer et transmettre intelligemment une requête de retour dans un système SDV. De cette manière, un trafic de canal de retour est réduit. Pendant des changements de canal rapides en utilisant les touches vers le haut et vers le bas sur une commande à distance, le client SDV attend une quantité de temps prédéterminée avant de générer une requête de retour qui est ensuite transmise en amont à un serveur final. A titre d'exemple, des canaux diffusés changeants ne vont pas générer rapidement une requête de retour jusqu'à ce que la quantité de temps prédéterminée soit dépassée. Dans le cas où un canal changé est une session SDV, une requête de sélection de programme est générée immédiatement pour commencer à recevoir la session SDV.

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