Processing of content or additional data; Elementary server operations; Server middleware

Full Title

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

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

PICTORIAL COMMUNICATION, e.g. TELEVISION

Child Classifications

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• H04N 21/231 Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion
• H04N 21/232 Content retrieval operation within server, e.g. reading video streams from disk arrays
• H04N 21/233 Processing of audio elementary streams
• H04N 21/234 Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
• H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• H04N 21/236 Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator ] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
• H04N 21/237 Communication with additional data server
• 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
• H04N 21/239 Interfacing the upstream path of the transmission network, e.g. prioritizing client requests
• H04N 21/24 Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth or upstream requests
• H04N 21/241 Operating system [OS] processes, e.g. server setup
• H04N 21/242 Synchronisation processes, e.g. processing of PCR [Programme Clock References]