System for forming and processing program map information suitable for terrestrial, cable or satellite broadcast

  • US 6,115,074 A
  • Filed: 04/09/1998
  • Issued: 09/05/2000
  • Est. Priority Date: 07/10/1997
  • Status: Expired due to Term
First Claim
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1. Apparatus for decoding a datastream of MPEG compatible packetized program information containing program map information to provide decoded program data, comprising:

  • means for identifying channel map information conveyed within said packetized program information; and

    means for assembling said identified information to form a channel map for identifying said individual packetized datastreams constituting said program, whereinsaid channel map information replicates information conveyed in said MPEG compatible program map information and said replicated information associates a broadcast channel with packet identifiers used to identify individual packetized datastreams that constitute a program transmitted on said broadcast channel.

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