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Systems, devices and methods for securely distributing highly-compressed multimedia content

  • US 7,457,359 B2
  • Filed: 04/16/2004
  • Issued: 11/25/2008
  • Est. Priority Date: 09/26/2001
  • Status: Expired due to Fees
First Claim
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1. A multimedia distribution device comprising:

  • a nonvolatile memory storing;

    a compressed media signal comprising plurality of scenes each comprising a number of temporally adjacent frames in which at least two scenes are selectively compressed using at least two different codecs from a codec library, wherein the at least two different codecs are automatically selected by repeating, for each of the plurality of scenes, the steps of;

    testing a plurality of different codecs on the scene to determine how each codec encodes the scene in terms of quality and compression level; and

    automatically selecting the codec that produces the highest quality encoded output for the scene according to a set of criteria without exceeding a bandwidth constraint; and

    a plurality of codec indicators specifying which codecs from the codec library were used to respectively compress each scene within the compressed media signal.

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