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Generating constant timecast information sub-streams using variable timecast information streams

  • US 6,385,771 B1
  • Filed: 04/13/1999
  • Issued: 05/07/2002
  • Est. Priority Date: 04/27/1998
  • Status: Expired due to Term
First Claim
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1. Apparatus for processing an input video stream having a variable timecast to produce an output video stream having a predetermined timecast, comprising:

  • a selector, for selecting at least one of intra-coded, predictively-coded, and bi-directionally-coded video frames or video frame components from said input video stream in response to a timeslice indicative control signal;

    an assembler, for assembling selected video frames or frame components to produce said output video stream; and

    a controller, for producing said timeslice indicative control signal in response to a ratio between said input video stream timecast and said predetermined timecast;

    said controller adapting said timeslice indicative control signal in response to changes in said input video stream timecast.

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