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System and method for distributing perceptually encrypted encoded files of music and movies

  • US 20030079222A1
  • Filed: 07/16/2001
  • Published: 04/24/2003
  • Est. Priority Date: 10/06/2000
  • Status: Abandoned Application
First Claim
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1. A system for transmitting a digital signal comprising:

  • a. an encoder for band-compression encoding a first digital signal as encoded data defining an image;

    b. a perceptual encrypting system coupled to said encoder wherein said perceptual encrypting system perceptually encrypts said encoded data to generate restricted video data as perceptually encrypted encoded data; and

    c. a transmitter coupled to said perceptual encrypting system wherein said transmitter transmits said perceptually encrypted encoded data.

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