Reception of Audio-Visual Content Addressed to Several Devices

The present invention relates to a method for receiving audiovisual programs sent by a server to at least two reception devices. Initially, a first user requests a document from the server that establishes a unicast stream to download said document. Then, a second user requests to receive the same d...

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Bibliographic Details
Main Authors LETELLIER PHILIPPE, FLEURY JEAN-FRANCOIS, HOUEIX PIERRE
Format Patent
LanguageEnglish
Published 03.12.2009
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The present invention relates to a method for receiving audiovisual programs sent by a server to at least two reception devices. Initially, a first user requests a document from the server that establishes a unicast stream to download said document. Then, a second user requests to receive the same document, even truncated by a part. The server studies the proposal and possibly, for a lower price, agrees to the download. The server then switches the broadcast of the document from a unicast stream to a multicast stream, the first and second devices receiving said document via the same multicast stream. The invention also relates to a device for receiving audiovisual content and a server for implementing the method.
Bibliography:Application Number: US20060084537