Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-04-04
2006-04-04
Le, Vu (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240270
Reexamination Certificate
active
07023924
ABSTRACT:
To produce a paused MPEG coded video stream from an original MPEG coded video stream, an I frame is extracted from the original stream, and a Group of Pictures for a “pause” (a pause GOP) is constructed containing the extracted I frame, some “frozen” frames, and padding. Each “frozen” frame is a P frame that repeats the I frame. When a pause is requested in the original stream, a seamless transition is made from the I frame to the pause GOP, and the pause GOP is played in a loop until a resume is requested. To resume, the pause GOP is completed and a seamless transition is made to continue in the original stream from the I frame where the pause had begun.
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Bo Shen and Ishw
Faibish Sorin
Gardere Daniel
Keller Sebastian
Noury Michel
Wang Jie
Auchterlonie Richard C.
EMC Corporation
Le Vu
Novak Druce & Quigg LLP
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