FIELD: TV devices. SUBSTANCE: device has analog-to-digital converter 1, delay units 2 and 5, subtracter 3, upper frequency filter 4, first and second tracing band-pass filters 6 and 7, frequency detector 8, multiplier 9, differentiating unit 10, first and second control signal generators 11 and 12, unit 13 for generation of combined signal with background of color sub-carrier. EFFECT: decreased distortions of brightness and color signals. 2 dwg
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