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Methods, apparatus, and systems for insertion of overlay content into a video signal with transrating capabilities

  • US 7,688,889 B2
  • Filed: 07/25/2007
  • Issued: 03/30/2010
  • Est. Priority Date: 09/18/2006
  • Status: Active Grant
First Claim
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1. A method for inserting overlay content into a video signal, comprising:

  • receiving an overlay content signal containing overlay content;

    receiving a compressed video signal;

    decoding said compressed video signal;

    identifying an insertion window portion of said decoded video signal;

    processing said overlay content signal and said insertion window portion of said decoded video signal to produce a modified insertion window portion of said video signal; and

    processing said video signal and said modified insertion window portion to produce a compressed modified video signal;

    wherein;

    an insert processing mode is provided for said processing of said overlay content signal and said insertion window portion of said video signal to produce said modified insertion window portion;

    an obscured processing mode is provided for processing an obscured region of said video signal in which motion vectors of a current pixel block of the video signal reference a portion of said insertion window; and

    a limited processing mode is provided for said processing when said obscured processing mode and said insert processing mode are not selected.

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