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System and method for generating multiple synchronized encoded representations of media data

  • US 7,885,340 B2
  • Filed: 12/22/2004
  • Issued: 02/08/2011
  • Est. Priority Date: 04/27/1999
  • Status: Active Grant
First Claim
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1. A method of producing a plurality of encoded representations of an input media signal, the method comprising:

  • providing the input media signal to an encoder;

    encoding said input media signal with said encoder to generate the plurality of encoded representations of the input media signal, wherein at least a portion of the media signal is included in a first encoded representation of said plurality of encoded representations and the same portion is also included in a second encoded representation of said plurality of encoded representations, and said first encoded representation is encoded according to a different set of encoding parameters than is said second encoded representation; and

    designating and identifying a plurality of synchronization points within each of said encoded representations of the input media signal such that switching between a decoding of one of said encoded representations and another of said encoded representations can be performed without any substantial discontinuity.

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