Universal digital broadcast system and methods

H - Electricity – 04 – N

Patent

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Details

H04N 7/173 (2006.01) G06F 15/16 (2006.01)

Patent

CA 2406714

The present invention teaches methods and systems (Fig. 8) for providing full digital services such as VOD, digital broadcast, as well as a universal set- top-box (STB) (600) capable of handling this variety of digital services. A plurality of hardware architectures and complimentary data transmission methods identifying the distinct services through an electronic program guide enable such transmission. The universal STB (600) of the present invention is capable of distinguishing the different services based upon information received in the electronic program guide, and is designed with unique hardware architecture including a large buffer. The present invention further provides viewing options such as multiple broadcasts and virtual VCR time-shifting features including pause, recording, and freeze-framing a broadcast without suffering the volatility and poor quality of an Internet streaming broadcast. Still further, this variety of digital services is provided via a uni- directional communication link.

La présente invention concerne des procédés et des systèmes (Fig. 8) assurant des services numériques complets tels que vidéo à la demande, diffusion numérique ainsi qu'un décodeur universel (600) capable d'assurer ces divers services numériques. Cette transmission est rendue possible par une pluralité d'architectures de matériel et par des méthodes complémentaires de transmission de données permettant d'identifier ces services distincts via un guide électronique des programmes. Le décodeur universel (600) selon la présente invention est en mesure de distinguer entre les différents services à partir d'informations reçues du guide électronique des programme et comporte une architecture matérielle spécifique avec mémoire de grande capacité. La présente invention concerne également des options d'écoute telles que multi-diffusion et caractéristiques de programmation VCR virtuelles avec fonctions pause, enregistrement et plans figés, sans la volatilité et la mauvaise qualité d'une diffusion en continu sur Internet. Par ailleurs, ces divers services numériques sont dispensés via une liaison de communication unidirectionnelle.

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