Television system for digital transmission of picture signals

Details Television system for digital transmission of picture signals Television system for digital transmission of picture signals

H - Electricity

04

N

350/33

H04N 7/12 (2006.01) H04N 11/04 (2006.01)

Patent

CA 2020009

G. ABSTRACT: "Television system for digital transmission of picture signals." In a television transmission system a digital luminance signal Dy and two digital colour difference signals DCHR(1) and DCNR(2) are applied to a distribution circuit 3 at the transmitter end, which digital colour difference signals are applied thereto possibly after having been subjected to a vertical decimation operation with a decimation factor R. The distribution circuit 3 partitions all these signals into groups of Q samples per group. After receiving an even number of luminance groups and an even number of chrominance groups, a first half of this number of luminance groups and a first half of this number of chrominance groups is applied to a first auxiliary picture signal output 3(4) of the distribution circuit 3, while simultaneously the other half of the number of luminance groups and the other half of the number of chrominance groups is applied to a second auxiliary picture signal output 3(5) of the distribution circuit. A transformer for performing a forward two-dimensional Q*Q transform is connected to each of these auxiliary picture signal outputs.

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