Patent ID: 7688889

Claim:
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.