Color-under chroma channel encoded with auxiliary signals

Details Color-under chroma channel encoded with auxiliary signals Color-under chroma channel encoded with auxiliary signals

H - Electricity

04

N

H04N 5/782 (2006.01)

Patent

CA 2053488

ABSTRACT OF THE DISCLOSURE A video signal processing system having a chroma carrier modulated with chroma information characterized by means responsive to the chroma carrier for generating a phase alternating carrier, whereby the phase alternating carrier and the chroma carrier are 180° out-of-phase on alternate scan lines, together with means for modulating a first auxiliary signal on the phase alternating carrier, and means for adding the phase alternating modulated carrier to the modulated chroma carrier at a given phase angle.

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