Fast video multiplexing system

Details Fast video multiplexing system Fast video multiplexing system

1995-05-12

1997-08-05

Kostak, Victor R.

Television

Bandwidth reduction system

Plural video programs in single channel

348387, H04N 726

Patent

active

056547587

ABSTRACT:
The invention provides a method and apparatus for processing video data signals to generate a time division multiplexed video signal which incorporates a maxima number of fields from successive selected video input signals. The invention provides dual video decoder channels associated synchronisation circuits for generating an early synchronisation signal. The early synchronisation signals are applied to control inputs of the video decoders to enable reading of their output earlier than would normally be possible, avoiding delays in the combining of successive fields of video information in the video TDM signal. The provision of dual channels avoids delays due to lack of synchronisation between the different video sources.

REFERENCES:
patent: 4994916 (1991-02-01), Pshtissky et al.

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