H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/41
H04N 9/80 (2006.01) H04N 9/804 (2006.01) H04N 9/888 (2006.01)
Patent
CA 1310402
ABSTRACT OF THE DISCLOSURE In the transmission of digital video data signals, for example, in a digital video tape recorder, a luminance signal and first and second chrominance signals, such as R-Y and B-Y, are individually sampled to provide respective digital luminance data signals and first and second digital chrominance data signals for forming a high-definition video picture which is spatially divided into N horizontally contiguous segments, each of the divided segments is time-expanded by N-times, the digital luminance data signals and the first and second digital chrominance data signals of each of the time-expanded picture segments are divided into respective sets thereof which each consist of two successive data signals, and the sets of digital luminance and first and second digital chrominance data signals for each of the segments are distributed into a plurality of transmission channels in such a manner that each set of digital luminance data signals is interleaved between sets of the first and second digital chrominance data signals, respectively, in each of the transmission channels. Further, one of the two successive data signals in each of the sets of digital luminance data signals and of first and second digital chrominance data signals is inverted for obtaining the complement of the one of the two successive data signals in each set which has been inverted, thereby substantially minimizing any DC or low-frequency component in each of the transmission channels.
586131
Gowling Lafleur Henderson Llp
Inoue Takao
Sony Corporation
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