H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/20
Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/20
Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/23
Processing of content or additional data; Elementary server operations; Server middleware
H04N21/23
Processing of content or additional data; Elementary server operations; Server middleware
H04N21/238
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
H04N21/238
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
H04N21/2389
Multiplex stream processing, e.g. multiplex stream encrypting
H04N21/2389
Multiplex stream processing, e.g. multiplex stream encrypting
H04N21/23892
involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
H04N21/23892
involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level