Television – Bandwidth reduction system – Format type
Patent
1991-06-07
1995-01-31
Kostak, Victor R.
Television
Bandwidth reduction system
Format type
348430, 348431, H04N 964, H04N 712
Patent
active
053862350
ABSTRACT:
The motion signal detecting circuit is adapted to an image reproducing system having a frequency unfolding circuit for generating an unfolded luminance signal by unfolding a high frequency component folded into low frequency component into the original frequency band in order to reproduce a full bandwidth image signal in which the high frequency component folded into the low frequency component and recorded on a recording medium having a limited bandwidth. The detecting circuit comprises a prefilter for eliminating the folding carrier contained in the unfolded luminance signal and sidebands thereof and a comb filter for detecting a motion signal which is the differential component between frames in the unfolded luminance signal by filtering the output of the prefilter.
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Bushnell Robert E.
Kostak Victor R.
Lee Michael H.
Samsung Electronics Co,. Ltd.
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