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Abstract

A wide aspect signal is band-width limited in the vertical spatial frequency by a V-LPF. The wide aspect signal is band-width limited along the temporal spatial frequency and in the vertical and horizontal spatial frequency by a 1/60-sec delay unit, an adder, 1 1/60-sec delay unit, a selector, a V-LPF, and an H-LPF. A motion image signal can be obtained by an adder. A still image signal can be obtained by the selector. The motion and still image signals are mixed by a mixer in accordance with an image motion amount. An output from the substractor is processed by a vertical shifter, an H-LPF, and a 6.fwdarw.5 converter to provide a still image compensation signal Vh. A signal from the V-LPF is compressed in the vertical direction by a 6.fwdarw.5 converter so as to be a center portion signal which can be displayed as an image with the receiver of the existing television system, and supplied to a selector. An output signal from the 6.fwdarw.5 converter is processed by an LD generator to generate a motion image compensation signal (LD signal). The LD and Vh signals are selectively output from a mixer in accordance with the image motion. A compensation signal output from the mixer is processed by an H-LPF, a 1/5-time compressor, and a rearranging unit, so that it can be multiplexed on upper and lower black bar portions formed on upper and lower portions of the center panel, and supplied to the selector.

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