Systems and methods for securing content delivered using a playlist
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United States of America Patent
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Dec 27, 2016
Grant Date -
Feb 28, 2013
app pub date -
Feb 17, 2011
filing date -
Feb 17, 2010
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Abstract
Systems and methods in accordance with embodiments of the invention enhance the security of content distribution using individualized playlists. In many embodiments, a playlist is individually composed for a client device so that the selection of content included in the playlist encodes information. One embodiment includes generating a watermark sequence, where each watermark sequence is a unique identifier, selecting between alternative chunks of encoded content based upon the watermark sequence, where each of the alternative chunks of encoded content includes the same perceptual content and differs in the way it is watermarked, and listing the selected chunks in a playlist, where content assembled using the playlist includes a unique watermark sequence.
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