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Latency reduction in providing interactive program guide

  • US 6,968,567 B1
  • Filed: 12/10/1999
  • Issued: 11/22/2005
  • Est. Priority Date: 04/15/1999
  • Status: Expired due to Term
First Claim
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1. A method for providing an interactive program guide, comprising:

  • providing a plurality of transport streams, wherein each transport stream includes at least one elementary stream representing a respective interactive program guide (IPG) page, wherein each IPG page has associated with it a respective guide portion and a common video portion, and wherein each of said IPG pages has associated with it a first plurality of slices representing said common video portion and a second plurality of slices representing said respective guide portion; and

    grouping elementary streams associated with related IPG pages within a common transport stream;

    encoding said slices associated with said common video portion of said IPG pages only once;

    encoding each respective plurality of slices associated with said respective guide portions of said IPG pages; and

    associating, for each IPG page, said encoded common video portion slices and respective encoded guide portion slices.

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