专利名称：SYSTEM AND METHOD OF RESTRICTING
ACCESS TO MEDIA CONTENT
发明人：Lee Chow,David Piepenbrink,Stephen Rys申请号：US14543208申请日：20141117
公开号：US20150074707A1公开日：20150312
专利附图：
摘要：A method includes receiving, at a service delivery platform from a first videosource, a control stream associated with primary media content delivered via a videodistribution network, where the control stream includes conditional access information
associated with a second video source, wherein the conditional access information of thecontrol stream indicates a restriction of the primary media content. The method alsoincludes creating a substitution table, at the service delivery platform, based on theconditional access information including an indication of a geographic area, where thesubstitution table correlates the primary media content with substitute media content ofthe second video source, and when the restriction prevents access to the primary mediacontent, the substitute media content is provided via the video distribution network. Themethod further includes sending the substitution table to the second video source.
申请人：AT&T INTELLECTUAL PROPERTY I, L.P.
地址：Atlanta GA US
国籍：US
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