Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2005-10-18
2005-10-18
Wong, Allen (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240000, C375S240010, C375S240020, C375S240120
Reexamination Certificate
active
06956901
ABSTRACT:
A control strategy is provided for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel. The control strategy is a single pass strategy which allows individual encode bit rates to be dynamically adjusted for each video data stream based on part in relative complexity of the multiple streams of video data, as well as fullness of compressed video data buffers and a channel buffer coupled between the encoders and the constant bit rate channel. The control strategy includes encoding the multiple streams of video frames in parallel, and dynamically adapting encoding of at least one stream of the video frames based on relative complexity of the video frames. The bit rate for each stream of video frames is only changed at GOP boundaries, or if a scene change occurs. The calculated bit rate is preferably further modified based upon buffer fullness.
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Boroczky Lilla
Ngai Agnes Y.
Westermann Edward F.
Heslin Rothenberg Farley & & Mesiti P.C.
Radigan, Esq. Kevin P.
Steinberg, Esq. William H.
Wong Allen
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