Apparatus and method for transmitting secure and/or copyrighted digital video broadcasting data over internet protocol network
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United States of America Patent
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Apr 16, 2013
Grant Date -
May 21, 2009
app pub date -
Nov 19, 2008
filing date -
Nov 21, 2007
priority date (Note) -
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Abstract
A content distribution method for video copyright authentication and security comprising the steps of invisibly watermarking digital video data input from a video data source to create watermarked data; encrypting the watermarked digital video data using an encryption key to create encrypted video data; sending the encrypted watermarked digital data and a decryption key to a distribution network; decrypting the encrypted watermarked digital data to generate video data and adding visible watermarking data to the video data to generate visibly encrypted watermarked data compressing the visibly encrypted watermarked data to create compressed data; sending said compressed data and to an end user receiver; decompressing the compressed data at the receiver to generate decompressed data; and displaying the decompressed data to an end user.
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