Process, coder and decoder for digital transmission and/or...

Details Process, coder and decoder for digital transmission and/or... Process, coder and decoder for digital transmission and/or...

H - Electricity

04

N

H04N 9/79 (2006.01) H04N 7/26 (2006.01) H04N 9/797 (2006.01) H04N 9/804 (2006.01) H04N 11/00 (2006.01) H04N 11/04 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2090226

A digital transmission and/or recording system for component-coded colour-TV signals. At present, no professional video recorders are available which can record progressive 16:9-format 625-line TV images. Digital studio video recorders operating by the D1 process can only record the YUV components of interlaced 4:3-format 625- line images. By means of vertical sub-scanning of the UV-components and subsequent block companding using special encoding techniques within 8-byte blocks (40), the neces- sary memory capacity is made available for recording progressive 16:9-format 625-line TV images. The invention is of particular application to the digital recording of progressive 16:9-format 625-line TV signals using PCM video recorders.

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