Program and data alerts and auxiliary datastreams in a...

H - Electricity – 04 – L

Patent

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Details

H04L 27/04 (2006.01)

Patent

CA 2551718

A system and method (130, 135 and 140) for a user of a multichannel broadcasting service listening to a particular channel provides alerts about the content currently available on other channels which are of interest to the user. Auxiliary data streams of interest can be presented for display in conjunction with the audio transmission of a related or unrelated channel. The system and method include storing criteria associated with programming or auxiliary content of interest to a user and searching for unique identifiers within the broadcast signal signifying the availability of content which meets the criteria. Content of interest can be, for example, traffic information (105, 110, 120, 111 and 125), sports games available on other channels, sports scores, stock or other trading instruments prices, news headlines or travel information.

L'invention concerne un système et un procédé (130, 135 et 140) destinés à un usager d'un service de radiodiffusion multicanaux à l'écoute d'un canal particulier, qui produisent des alertes relatives au contenu disponible au même moment sur d'autres canaux intéressants pour l'usager. Des flux de données auxiliaires intéressants peuvent être présentés en vue d'un affichage, conjointement avec la transmission sonore d'un canal apparenté ou non apparenté. Le système et le procédé comprennent le stockage de critères associés à une programmation ou à du contenu auxiliaire intéressants pour l'usager, et la recherche d'identificateurs uniques dans le signal radiodiffusé, qui indiquent la disponibilité de contenu répondant à ces critères. Le contenu intéressant peut être, par exemple, des informations relatives au trafic (105, 110, 120, 111 et 125), des matchs sportifs diffusés sur d'autres canaux, des résultats sportifs, des valeurs boursières ou d'autres instruments financiers, des titres de l'actualité ou des informations de voyage.

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