Real-time encoding of video sequence employing two encoders and

Details Real-time encoding of video sequence employing two encoders and Real-time encoding of video sequence employing two encoders and

1998-01-16

1999-11-02

Britton, Howard

Television

Bandwidth reduction system

Data rate reduction

348404, H04N 736

Patent

active

059780290

ABSTRACT:
Method, system and computer program product are provided for adaptively encoding in hardware, software or a combination thereof a sequence of video frames in real-time. A first encoding subsystem analyzes the sequence of video frames to derive information on at least one characteristic thereof, such as motion statistics, non-motion statistics, scene change statistics, or scene fade statistics. The gathered information may be either an intraframe characteristic or an interframe characteristic. A control processor is coupled to the first encoding subsystem to automatically analyze the gathered information in real time and dynamically produce a set of control parameters. A second encoding subsystem, coupled to the control processor, then encodes each frame of the sequence of video frames employing the corresponding set of control parameters.

REFERENCES:
patent: 4920426 (1990-04-01), Hatori
patent: 5111292 (1992-05-01), Kuriacose et al.
patent: 5151783 (1992-09-01), Faroudja
patent: 5231484 (1993-07-01), Gonzales et al.
patent: 5325125 (1994-06-01), Naimpally et al.
patent: 5434623 (1995-07-01), Coleman
"Sonic DVD Creator-Blueprint for DVD Premastering", Sonic Solutions, Apr. 1996, (pp. 2-10).

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