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SYSTEM AND METHOD FOR SIGNALING CHARACTERISTICS OF PICTURES' INTERDEPENDENCIES

  • US 20080115175A1
  • Filed: 01/26/2007
  • Published: 05/15/2008
  • Est. Priority Date: 11/13/2006
  • Status: Abandoned Application
First Claim
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1. A method for signaling characteristics of pictures'"'"' interdependencies in a video signal in subscriber television systems, said method comprising the steps of:

  • providing a transport layer of a video program;

    allocating auxiliary information at the transport layer to determine whether a picture is one of the following;

    a discardable picture, a forward predicted picture, a backward predicted picture, and a bidirectional predicted picture, the auxiliary information at the transport layer being unencrypted and transmitted as part of private data or an adaptation field; and

    determining whether to drop the picture corresponding to the auxiliary information without having to parse a video stream.

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