Chrominance encoding for a widescreen television system

Details Chrominance encoding for a widescreen television system Chrominance encoding for a widescreen television system

1989-12-11

1991-10-08

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 1100, H04N 1114

Patent

active

050559168

ABSTRACT:
A widescreen television system includes an auxiliary subcarrier modulated with left and right side panel luminance and chrominance components. The chrominance modulating component represents the difference between the average side panel chrominance information and the original side panel chrominance information. Average left and right side panel chrominance information is respectively conveyed during the horizontal blanking intervals of alternate lines.

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patent: 4782383 (1988-11-01), Isnardi
patent: 4855811 (1989-08-01), Isnardi
patent: 4944032 (1990-07-01), Kageyama et al.
M. A. Isnardi et al., "Encoding for Compatibility and Recoverability in the ACTV System", IEEE Transactions on Broadcasting, vol. BC-33, No. 4, Dec. 1987.
M. A. Isnardi et al., "Decoding Issues in the ACTV System", IEEE Transactions on Consumer Electronics, vol. 34, No. 1, Feb. 1988.

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