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DIGITAL RIGHTS MANAGEMENT SCHEME FOR AN ON-DEMAND DISTRIBUTED STREAMING SYSTEM

  • US 20100115628A1
  • Filed: 11/12/2009
  • Published: 05/06/2010
  • Est. Priority Date: 09/03/2004
  • Status: Active Grant
First Claim
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1. A process for managing digital rights to media, comprising the process actions of:

  • in a media file comprised of media packets, for each packet designating one of a set of predetermined hierarchical access levels ordered from lowest to highest;

    assigning to a user an access level from said set of hierarchical access levels; and

    granting access to a user to media packets that are designated with his hierarchical access level and below.

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