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CPC Subgroup
H04N 21/238

Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams

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 > Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams

6 direct subcodes

Child Classifications

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  • H04N 21/23805
  • H04N 21/2381 Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
  • H04N 21/2383 Channel coding of digital bit-stream, e.g. QPSK modulation (arrangements for detecting or preventing errors in the information received by adapting the channel coding H04L1/0009; analogue front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002)
  • H04N 21/2385 Channel allocation (H04N21/266 takes precedence); Bandwidth allocation (H04N21/24 takes precedence )
  • H04N 21/2387 Stream processing in response to a playback request from an end-user, e.g. for trick-play