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Laabs, 2013 - Google Patents

Adaptive multicast streaming

Laabs, 2013

Document ID
15293484216493523344
Author
Laabs M
Publication year
Publication venue
2013 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)

External Links

Snippet

Adaptive streaming has become state of the art for video-on-demand (VoD) and unicast live- streaming. Existing services are based on HTTP, generally offering group-of-picture (GoP)- aligned segments of data in different qualities on an HTTP server for the client to choose …
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Classifications

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    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs
    • H04N21/23424Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
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    • H04N21/234Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs
    • H04N21/2343Processing of video elementary streams, e.g. splicing of content streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/631Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
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    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637Control signals issued by the client directed to the server or network components
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    • HELECTRICITY
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    • H04N21/61Network physical structure; Signal processing
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    • H04N21/65Selective content distribution, e.g. interactive television, VOD [Video On Demand] using Network structure or processes specifically adapted for video distribution between server and client or between remote clients; Control signaling specific to video distribution between clients, server and network components, e.g. to video encoder or decoder; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client transmission of management data between client and server
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    • HELECTRICITY
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    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications

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