MPEG editor method and apparatus

  • US 5,559,562 A
  • Filed: 11/01/1994
  • Issued: 09/24/1996
  • Est. Priority Date: 11/01/1994
  • Status: Expired due to Term
First Claim
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1. Apparatus for editing MPEG formatted image representative electrical signals comprisingfirst storage for storing components of a first MPEG formatted stream of image data,second storage for storing components of a second MPEG formatted stream of image data,transition circuitry responsive to a transition position value representing a transition position for generating an edited video stream of image data representing the first MPEG formatted stream of image data prior to the transition position and, at least in part, said second MPEG formatted stream of image data subsequent to said transition position, said transition circuitry comprisinga register for storing said transition position value,a register for storing a transition mode,a first frame decoder circuitry for decoding and playing a current frame first image for said first image data,a second frame decoder circuitry for decoding and playing a current frame second image for said second image data, andselective addition circuitry for selectively adding, in response to said transition mode register value and said transition position register value, a first variable fraction of each current frame first image and a second variable fraction of a corresponding current frame second image to generate said edited video stream.

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