DVB-CSS (Companion Screens & Streams) - Content ID

DVB Companion Screens and Streams (DVB-CSS) part 2: Content ID and Media Synchronisation


The present document specifies the architecture and protocols for content identification, Timeline Synchronization and Trigger Events for companion screens and streams.

The present document is applicable to:

  • the interfaces between the TV Device and the Companion Screen Application:
    • interface for metadata exchange, including content identification;
    • interface for Wall Clock synchronization;
    • interface for Timeline Synchronization;
    • interface for Trigger Events;
  • the interface between the Companion Screen Application and the Material Resolution Service (MRS).

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