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EN 62297-2:2005

Current

Current

The latest, up-to-date edition.

Triggering messages for broadcast applications - Part 2: Transport methods

Published date

06-03-2005

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INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Teletext-based methods
  4.1 Page-format method
      4.1.1 Maximum length of a trigger message
      4.1.2 Data stream
      4.1.3 Transmission aspects
  4.2 Independent data line method
      4.2.1 Maximum length of a trigger message
      4.2.2 Data stream
      4.2.3 Packet structure
5 MPEG-2 transmission based method
Annex A (informative) Code of practice
      A.1 Page-format teletext transmissions
          A.1.1 General
          A.1.2 Page number
          A.1.3 Magazine Inventory Page
          A.1.4 20ms page delay
      A.2 Independent data line teletext transmissions
          A.2.1 General
          A.2.2 Alternative protocol stacks
          A.2.3 Fast trigger applications
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

specifies how the trigger messages defined in EN 62297-1 are transmitted. A trigger is defined as information sent from a service provider as part of a data broadcasting transmission that initiates an application in a receiver. Additional information in the trigger message allows filtering or prioritization techniques to be applied at the receiver. Examples of possible use include the forcing of the display of information to warn of severe weather conditions and advising of extreme content in the TV programme. In an interactive system, a message or icon might be displayed inviting on-line access to vote, to register an interest in an advertised product, or to browse programme-related content

Committee
CLC/TC 100X
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

EN 300 708 : 1.2.1 TELEVISION SYSTEMS; DATA TRANSMISSION WITHIN TELETEXT
TS 101 231 : 1.3.1 TELEVISION SYSTEMS; REGISTER OF COUNTRY AND NETWORK IDENTIFICATION (CNI), VIDEO PROGRAMMING SYSTEM (VPS) CODES AND APPLICATION CODES FOR TELETEXT BASED SYSTEMS
EN 62297-1:2005 Triggering messages for broadcast applications - Part 1: Format
EN 300 706 : 1.2.1 ENHANCED TELETEXT SPECIFICATION
IEC 62297-1:2005 Triggering messages for broadcast applications - Part 1: Format
ISO/IEC 13818-6:1998 Information technology — Generic coding of moving pictures and associated audio information — Part 6: Extensions for DSM-CC

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