Process for recording and playback of tv-signals in analog form

Details Process for recording and playback of tv-signals in analog form Process for recording and playback of tv-signals in analog form

H - Electricity

04

N

352/18, 350/33

H04N 9/81 (2006.01) H04N 9/885 (2006.01)

Patent

CA 1249365

ABSTRACT A method and apparatus for the transmission, recording, and playback of color television signals is provided. A luminance signal (Y) and a relative thereto narrow band chrominance signal (R-Y, B-Y) in each case are time-compressed and are transmitted successively during the line scanning period. The luminance signal togther with the horizontal synchonizing pulse and the front and back porch are time-compressed before the transmission. The signals are time expanded for reproduction such that they become time congruent for the picture reproduction. The simultaneous compression of luminance signal and line synchronizing pulses renders the method independent of the respective television standard, since the transmitted signal is changed back to the original signal. - 31 -

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