Adaptive television transmission system

Details Adaptive television transmission system Adaptive television transmission system

1984-11-09

1987-01-06

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, 358136, H04N 701

Patent

active

046351140

ABSTRACT:
A high quality TV transmission system is devised including a preprocessing circuit controlled by motion present in the scene to be transmitted. In the absence of motion, processing circuit derives output picture field signals of a standard frequency from a single input picture field scanned at a higher frequency. In the presence of motion, all input picture fields scanned with high number of lines are stored in storing devices and processed by interpolating low pass filters and a multiplexer into output picture fields having the standard frequency but being free of aliansing interference.

REFERENCES:
patent: 1796030 (1931-03-01), Kell
patent: 4551753 (1985-11-01), Nishizawa
"Fernseh und Kinotechnik" 1980, No. 2, pp. 41-48.
"High Quality Television by Signal Processing", Broder Wendland, (1983).

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