Processes and apparatus for improving the state of the art for watermarking and data protection. The disclosure includes feature-based watermarks, auto- and cross-correlation techniques for determining scaling and rotation, transitions in time based watermarking, autocorrelation watermarks for images, and dynamic content scrambling of static files.

 
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< Perceptual encryption and decryption of movies

< Voice gateway with downstream voice synchronization

> Halftone watermarking and related applications

> System and method for distributing media assets to user devices via a portal synchronized by said user devices

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