Bit rate controller for multiplexer of encoded video

Details Bit rate controller for multiplexer of encoded video Bit rate controller for multiplexer of encoded video

1995-02-28

1996-08-27

Kostak, Victor R.

Television

Bandwidth reduction system

Plural video programs in single channel

348385, H04N 712, H04N 758

Patent

active

055505902

ABSTRACT:
In the present invention, by performing a control so that the I-coding modes of the encoders of a plurality of respective channels do not overlap each other, the amount of generated encoded information for the total system can be reduced without reducing the allowed amount of information of each encoder. Further, the bit rate Ri (i=1, 2, 3, . . . ) which minimizes the mean square error (E) is determined, on condition that the total bit rate (R) is constant, and informed the encoder. The encoder encodes a video signal at the specified bit rate. This allows the total performance of the plurality of encoders to be increased under a predetermined total bit rate.

REFERENCES:
patent: 4975771 (1990-12-01), Kassatly
patent: 5115309 (1992-05-01), Hang
patent: 5231384 (1993-07-01), Kuriacose
patent: 5231494 (1993-07-01), Wachob
"Statistical Performance Analysis of an Interframe Encoder for Broadcast Television Signals", IEEE Trans. COM-29, pp. 1868-1876 (1981).

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