Television signal digitizing method

Details Television signal digitizing method Television signal digitizing method

H - Electricity

04

N

H04N 7/12 (2006.01) H04N 11/02 (2006.01)

Patent

CA 2113755

The present invention relates to a television signal digitizing method enabling to further reduce information quantity without deterioration of image quality when digitizing progressive-scanned signals. More, the present invention comprises: a step of dividing a progressive-scanned information into two complementary interlaces, that is an interlace 1 and an interlace 2; a step of converting a luminance information in said interlace 1 to digital information of which sampling frequency is X; a step of converting a chrominance information in said interlace 1 to digital information of which sampling frequency is Y; and a step of generating a supplementary information.

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