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PCE
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DIFF Subgroup
H04N 21/234

Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs

Introduced: January 2011

Full Title

Full titles differ between systems:

IPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] > 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 video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs

CPC:

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 video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 2011.

Child Classifications

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  • H04N 21/23406 CPC only CPC only
  • H04N 21/23412 CPC only CPC only
  • H04N 21/23418 CPC only CPC only
  • H04N 21/23424 CPC only CPC only