Method and apparatus for composite data stream storage and...

Details Method and apparatus for composite data stream storage and... Method and apparatus for composite data stream storage and...

H - Electricity

04

N

H04N 5/76 (2006.01) H04H 40/00 (2008.01) H04N 5/44 (2006.01)

Patent

CA 2389864

A composite data stream (66) is stored on a data storage medium (72). The composite data stream (66) comprises a plurality of program channels to provide services such as satellite digital audio radio service (SDARS), among others. The program channels are multiplexed into the composite data stream, which also comprises control data for indicating where services are located in the composite data stream. A playback device (96) is configured to access the composite data stream (66) on the data storage medium (72), to demultiplex at least the program channels and to retrieve selected services from the data storage medium (72) in response to user inputs by using the control data.

L'invention concerne un cheminement de données composites (66) stocké sur un support de stockage de données (72). Ce cheminement de données composites (66) comprend plusieurs canaux de programme utilisés afin de proposer, entre autres, des services tels que le service radio en audio numérique par satellite (SDARS). Ces canaux de programme sont multiplexés en un cheminement de données composites, qui comporte également un contrôle des données servant à indiquer où se situent les services dans le cheminement de données composites. Un appareil de lecture (96) est configuré de manière à accéder au cheminement de données composites (66) sur le support de stockage de données (72), afin de démultiplexer au moins les canaux de programme et de collecter les services sélectionnés à partir du support de stockage de données (72) en réponse aux entrées de l'utilisateur grâce au contrôle de données.

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