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MOBILE MEDIA PLAY SYSTEM AND METHOD

  • US 20110066843A1
  • Filed: 09/16/2009
  • Published: 03/17/2011
  • Est. Priority Date: 09/16/2009
  • Status: Active Application
First Claim
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1. A method for providing a rights-managed media track to a mobile media playback device via a media server, the method comprising:

  • receiving, at the media server, an indication to provide the media track to the mobile playback device;

    in response to receiving said indication, obtaining, from an electronic data store, an unprotected media file corresponding to the media track, said unprotected media file comprising a header block and a media-content data block;

    packaging said media-content data block into first and second data files by the media server, said first data file comprising said media-content data block having at least one content-data portion removed from each of a plurality of locations within said media-content data block, and said second data file comprising at least one content-data portion removed from each of said plurality of locations within said media-content data block;

    encrypting at least a portion of said first data file using a first cryptographic key;

    encrypting at least a portion of said second data file using a second cryptographic key;

    communicating said first encrypted data file to the media playback client for non-obfuscated, persistent storage; and

    communicating said second encrypted data file to the media playback client for obfuscated, persistent storage.

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