Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system or merging a VOD unicast channel into a multicast channel

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 > Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication or learning user preferences for recommending movies > Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system or merging a VOD unicast channel into a multicast channel

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

PICTORIAL COMMUNICATION, e.g. TELEVISION

Child Classifications

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• H04N 21/2662 Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
• H04N 21/2665 Gathering content from different sources, e.g. Internet and satellite
• H04N 21/2668 Creating a channel for a dedicated end-user group, e.g. by inserting targeted commercials into a video stream based on end-user profiles