ETSI EN 300 706 V1.2.1 (2003-04)

Enhanced Teletext specification

REN/JTC-TTEXT-EACEM-R1

Specifikacija izboljšanega sistema Teletext

General Information

• Status: Published
• Publication Date: 15-Apr-2003
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 25-Apr-2003
• Completion Date: 16-Apr-2003
• Ref Project: SIST EN 300 706 V1.2.1:2003 - Enhanced Teletext specification

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Specifikacija izboljšanega sistema TeletextEnhanced Teletext specification33.170Televizijska in radijska difuzijaTelevision and radio broadcasting33.050.30Oprema za teleks, teletekst, telefaksEquipment for telex, teletext, telefaxICS:Ta slovenski standard je istoveten z:EN 300 706 Version 1.2.1SIST EN 300 706 V1.2.1:2003en01-december-2003SIST EN 300 706 V1.2.1:2003SLOVENSKI
STANDARD



SIST EN 300 706 V1.2.1:2003



ETSI EN 300 706 V1.2.1 (2003-04)European Standard (Telecommunications series) Enhanced Teletext specification European Broadcasting Union Union Européenne de Radio-Télévision EBU·UER
SIST EN 300 706 V1.2.1:2003



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Reference REN/JTC-TTEXT-EACEM-R1 Keywords broadcasting, data, teletext, transmission, TV ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2003. © European Broadcasting Union 2003. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 300 706 V1.2.1:2003



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Contents Intellectual Property Rights.9 Foreword.9 1 Scope.10 2 References.11 3 Definitions, symbols and abbreviations.11 3.1 Definitions.11 3.2 Symbols.12 3.3 Abbreviations.13 4 TV lines usable as data lines.13 4.1 When multiplexed with a composite video signal.13 4.2 When not multiplexed with a composite video signal.14 5 Signalling characteristics.14 5.1 Signalling method.14 5.2 Data Signal Levels.14 5.3 Bit Rate.14 5.4 Spectrum of data pulses.15 6 Teletext packet identification.15 6.1 Clock run-in.15 6.2 Framing code.15 6.3 Timing reference.16 7 Organization of Teletext data elements.16 7.1 Elements of a Teletext packet.16 7.1.1 Synchronization sequence.16 7.1.2 Packet address.17 7.1.3 Data bytes.17 7.1.4 Packet types.17 7.2 Elements of a page.18 7.2.1 Definition of a page.18 7.2.2 Page header packet.18 7.2.3 The body of a page.18 7.3 Elements of a magazine.19 7.4 Elements of the service.19 8 Byte coding and error protection.20 8.1 Odd parity.20 8.2 Hamming 8/4.20 8.3 Hamming 24/18.21 9 Coding of data packets.22 9.1 Overview of packet types.22 9.2 Reserved bits.24 9.3 Directly displayable data packets.25 9.3.1 Page header.25 9.3.1.1 Page number.25 9.3.1.2 Page sub-code.26 9.3.1.3 Control bits.26 9.3.1.4 Data bytes.27 9.3.2 Packets X/1 to X/25.27 9.4 Page enhancement data packets.27 9.4.1 Packet X/26.28 9.4.2 Packet X/28/0 Format 1.28 9.4.2.1 Page Function and Page Coding.28 9.4.2.2 Coding for basic Level 1 Teletext pages.29 SIST EN 300 706 V1.2.1:2003



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9.4.2.3 Coding for data broadcasting pages.31 9.4.2.4 Coding for other types of page.31 9.4.3 Packet X/28/0 - Format 2.31 9.4.4 Packet X/28/1.32 9.4.5 Packet X/28/2.33 9.4.6 Packet X/28/3.33 9.4.7 Packet X/28/4.34 9.5 Magazine-Related Page Enhancement Data Packets.35 9.5.1 Packet M/29/0.35 9.5.2 Packet M/29/1.36 9.5.3 Packet M/29/4.37 9.6 Packets for Page Linking.37 9.6.1 Packets X/27/0 to X/27/3 for Editorial Linking.37 9.6.2 Packets X/27/4 and X/27/5 - Format 1 - for compositional linking in presentation enhancement applications.39 9.6.3 Packets X/27/4 to X/27/7 - Format 2 - for compositional linking in data broadcasting applications.41 9.7 General Coding of packets 30 and 31.43 9.8 Broadcast Service Data Packets.43 9.8.1 Packet 8/30 Format 1.43 9.8.2 Packet 8/30 Format 2.45 10 System Components for Presentation.46 10.1 Basic Teletext - Presentation Levels 1 and 1.5.46 10.2 Enhanced Teletext - Presentation Levels 2.5 and 3.5.47 10.3 Page Specific Enhancement Data.47 10.3.1 Enhancements via X/26/0 - 15.47 10.3.2 Enhancements via X/28/0 Format 1.48 10.3.3 Enhancements via X/28/1.48 10.3.4 Enhancements via X/28/4.48 10.4 Magazine Specific Enhancement Data.48 10.5 Public Enhancement Data.48 10.5.1 Object Definition Pages.49 10.5.1.1 Page Format.49 10.5.1.2 Pointer Table.49 10.5.1.3 Object Definition Area.50 10.5.1.4 Page Number Identification.50 10.5.2 DRCS Downloading Pages.51 10.5.2.1 Page Format.51 10.5.2.2 Page Number Identification.51 10.6 Magazine Organization Table.51 10.6.1 Page Format.51 10.6.2 Object Page Association.52 10.6.3 DRCS Page Association.52 10.6.4 Object Links.53 10.6.4.1 Default Object Invocation.54 10.6.5 DRCS Links.55 10.6.6 Number of Enhancement Pages.56 10.7 Links between Enhanced System Components.56 10.7.1 Linking to Object and DRCS Pages via the MOT.56 10.7.2 Linking to Object and DRCS Pages via Packets X/27/4 and X/27/5.58 11 System Components for Navigation.59 11.1 Navigation via FLOF.59 11.1.1 Principles.59 11.1.2 Additional components.59 11.2 Navigation via TOP.60 11.2.1 Principles.60 11.2.2 Additional components.61 11.3 Magazine Inventory Page.62 11.3.1 Principles.62 11.3.2 Format of the Magazine Inventory Page.62 11.3.3 Page Function Coding.63 SIST EN 300 706 V1.2.1:2003



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11.3.4 Sub-page range.66 12 Presentation Levels.66 12.1 Display Components.67 12.2 Spacing attributes.70 12.3 Non-spacing attributes and additional characters.74 12.3.1 Use of Packets X/26.74 12.3.2 Active Position.75 12.3.3 Row Address triplets.76 12.3.4 Column Address triplets.83 12.4 Colour Map.89 12.5 Side Panels.89 12.5.1 Panel position.90 12.5.2 Panel size.90 12.5.3 Data transmission and addressing.90 12.5.4 Display rules.91 13 Objects.91 13.1 Object definitions.91 13.2 Display priority order.92 13.3 Active Objects.92 13.4 Adaptive Objects.92 13.5 Passive Objects.93 13.6 Object invocation.93 13.7 Screen position of Object elements.93 13.8 Default Objects.94 13.9 Object example.94 14 Dynamically Re-definable Characters.95 14.1 Downloading pages.95 14.2 DRCS Character Modes.96 14.2.1 Mode 0 - 12x10x1.97 14.2.2 Mode 1 - 12x10x2.97 14.2.3 Mode 2 - 12x10x4.97 14.2.4 Mode 3 - 6x5x4.97 14.3 Flashing DRCS.98 14.3.1 Mode 0.98 14.3.2 Modes 1, 2 and 3.98 14.4 DRCS availability.98 14.4.1 Level 2.5.98 14.4.2 Level 3.5.98 15 Character sets and their designation.100 15.1 Overview of designation requirements.100 15.2 Designation of default G0 and G2 sets and national option sub-sets.100 15.3 Second G0 Set Designation and National Option Set Selection.102 15.4 Modified G0 and G2 Character Set Designation.104 15.5 Spacing attributes.105 15.6 Alphanumeric Character Sets.105 15.6.1 Latin G0 Set.106 15.6.2 Latin National Option Sub-Sets.107 15.6.3 Latin G2 Set.108 15.6.4 Cyrillic G0 Set - Option 1 - Serbian/Croatian.109 15.6.5 Cyrillic G0 Set - Option 2 - Russian/Bulgarian.110 15.6.6 Cyrillic G0 Set - Option 3 - Ukrainian.111 15.6.7 Cyrillic G2 Set.112 15.6.8 Greek G0 Set.113 15.6.9 Greek G2 Set.114 15.6.10 Arabic G0 Set.115 15.6.11 Arabic G2 Set.116 15.6.12 Hebrew G0 Set.117 15.7 Graphics Character Sets.118 15.7.1 G1 Block Mosaics Set.118 SIST EN 300 706 V1.2.1:2003



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15.7.2 G3 Smooth Mosaics and Line Drawing Set.119 Annex A (normative): Page addresses.120 A.1 Page numbering.
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