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US08094876B2 Personalized marking for protecting digital audiovisual streams 有权
用于保护数字视听流的个性化标记

Personalized marking for protecting digital audiovisual streams
Abstract:
A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.
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