H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
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H04N21/80
Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
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H04N21/83
Generation or processing of protective or descriptive data associated with content; Content structuring
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H04N21/845
Structuring of content, e.g. decomposing content into time segments
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