FIELD: TV devices. SUBSTANCE: device has analog-to-digital converter 1, two delay units 2 and 6, subtracter 3, upper frequency filter 4, two multipliers 5 and 8, tracing low-pass filter 7, amplitude detector 9, differentiating unit 10, control signal generator 9, band-pass filter 12, frequency detector 13, frequency-modulated signal source 14. EFFECT: decreased distortions of brightness and color. 1 dwg
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