Field comb for luminance separation of ntsc signals

Details Field comb for luminance separation of ntsc signals Field comb for luminance separation of ntsc signals

H - Electricity

04

N

350/72

H04N 9/12 (2006.01) H04N 9/77 (2006.01) H04N 9/78 (2006.01)

Patent

CA 1229160

Abstract of the Disclosure A field comb filter for separating luminance signal from NTSC composite video includes an adder for additively combining signals separated by 263 horizontal lines. Vertical detail is restored and motion compensation provided by a subtractor for subtractively combining signal separated by 262 horizontal lines and a second adder for adding the difference to the separated luminance signal.

482084

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