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Systems and methods for distributing and/or playing multicasted video signals in multiple display formats

  • US 20070056000A1
  • Filed: 08/23/2005
  • Published: 03/08/2007
  • Est. Priority Date: 08/23/2005
  • Status: Active Grant
First Claim
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1. A video distribution method comprising:

  • providing a primary video data stream formatted in a first video display format;

    generating a secondary video data stream extracted from the primary video data stream and formatted for display in a second video format;

    generating supplemental data extracted from the primary video data stream and configured to provide, when combined with the secondary video data stream, a tertiary video data stream formatted for display in a third video format;

    forming a transmission data stream comprising a plurality of blocks of data including the secondary video data stream and the supplemental data; and

    multicasting the transmission data stream to a plurality of communication terminals.

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