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Method of broadcasting multimedia content via distribution network

  • US 7,912,218 B2
  • Filed: 06/23/2004
  • Issued: 03/22/2011
  • Est. Priority Date: 06/23/2004
  • Status: Active Grant
First Claim
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1. A system comprising at least:

  • a source that acquires a multimedia content];

    an encoder that encodes said multimedia content;

    a slicer that slices said encoded multimedia content into a plurality of slices, wherein each of the slices is decoded independently, and generates a file from each of the slices, said slicer implementing an encryption algorithm, such that the slice contained in the file cannot be used without a decryption key associated therewith];

    a distribution network;

    an access provider that provides a client device with an access to said distribution network;

    a content server linked to said distribution network and downloading said encoded multimedia content on a file-by-file basis to said client device via said distribution network upon reception of a request from said client device; and

    a key server linked to said distribution network that provides said client device with the at least one decryption key associated with the at least one downloaded file.

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