Reception of audio-visual content addressed to several devices

The invention relates to a method for receiving audio-visual programs transmitted by a server to at least two receiving devices. The inventive method consists in requesting a document by a first user from the server, which establishes a unicast flow for downloading said document, in requesting by a...

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Bibliographic Details
Main Authors LETELLIER PHILIPPE, FLEURY JEAN FRANCOIS, HOUEIX PIERRE
Format Patent
LanguageChinese
English
Published 05.11.2008
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:The invention relates to a method for receiving audio-visual programs transmitted by a server to at least two receiving devices. The inventive method consists in requesting a document by a first user from the server, which establishes a unicast flow for downloading said document, in requesting by a second user the reception of said document even partially truncated, in studying the proposal by the server which possibly reduces a price and allows the downloading, in switching the transmission of the documents from a unicast flow to a multicast flow by the server and in receiving said document by the first and second devices via the same multicast flow. A device for receiving audio-visual content and a server for carrying out said method are also disclosed.
Bibliography:Application Number: CN200680041351