Optimizing data rate for video services

H - Electricity – 04 – N

Patent

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H04N 21/2343 (2011.01)

Patent

CA 2621605

Optimizing data rates for video services on a broadband network. Different data rates can be delivered to a subscriber premises depending on the size of the display screen connected to a set-top box, the type of content being requested, or whether there is real-time viewing. Therefore, the data rate can be optimized to maximize the number of video streams that can be delivered to any one subscriber without causing a perceived reduction in video picture quality.

Cette invention concerne l'optimisation de débits de données pour services vidéo au sein d'un réseau à large bande. Des débits de données différents peuvent être fournis chez l'abonné en fonction de la taille de l'écran connecté au décodeur, du type de contenu demandé, ou selon que la visualisation se fait ou non en temps réel. Il est ainsi possible d'optimiser le débit de données et donc de maximiser le nombre de séquences vidéo susceptibles d'être diffusées chez l'abonné sans diminution perceptible de la qualité de l'image vidéo.

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