CPC Subgroup
H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
Full Title
Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Processing of content or additional data; Elementary server operations; Server middleware > Processing of additional data, e.g. scrambling of additional data or processing content descriptors
3 direct subcodes
Child Classifications
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