TRACING PIRACY OF LIVE BROADCASTS
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United States of America Patent
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app pub date -
Aug 27, 2014
filing date -
Aug 27, 2014
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Methods, devices, systems and computer program products enable generation, distribution and management of live broadcast content in such a way so as to allow identification of a pirate device or subscriber quickly and efficiently. Content is divided into content blocks, where each content block is divided into content units. Each of the content units is selectable from n variations of the content unit and a majority of ail possible combinations of content unit variations are permissible to be selected for production of the uniquely identifiable content. The content blocks, including the n variations of the content units, a media block key, and at least one device key is delivered to an authorized device. A particular pattern of content units is generated that identifies which of the n content unit variations must be used by the authorized device for constructing each content block.
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