BS-EN-62298-3-2005.pdf
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1、BRITISH STANDARD BS EN ? 62298-3:2005 Teleweb application Part 3: Superteletext profile The European Standard EN 62298-3:2005 has the status of a British Standard ICS 33.170; 35.240.99 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:39:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN
2、62298-3:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 October 2005 BSI 14 October 2005 ISBN 0 580 46513 6 National foreword This British Standard is the official English language version of EN 62298-3:2005. It is identical with IEC
3、62298-3:2005. The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references
4、The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Stand
5、ards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the
6、responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front co
7、ver, the EN title page, pages 2 to 98, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:39:53 GMT
8、+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 62298- 3 NORME EUROPENNE EUROPISCHE NORM June 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Cent r al Secr et ar i at :
9、 r ue de St assar t 35, B - 1050 Br ussel s 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62298-3:2005 E ICS 33.170; 35.240.99 English version Tel eweb appl i cat i on Par t 3: Super t el et ext pr of i l e (IEC 62298-3:200
10、5) Application Teleweb Partie 3: Profil supertltexte (CEI 62298-3:2005) TeleWeb-Anwendung Teil 3: Superteletext-Profil (IEC 62298-3:2005) This European Standard was approved by CENELEC on 2005-06-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the co
11、nditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in
12、 three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotec
13、hnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. License
14、d Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:39:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 Forew ord The text of document 100/924/FDIS, future edition 1 of IEC 62298-3, prepared by IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vot
15、e and was approved by CENELEC as EN 62298-3 on 2005-06-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-03-01 - latest date by which the national standards conflicting
16、 with the EN have to be withdrawn (dow) 2008-06-01 Annex ZA has been added by CENELEC. _ Endorsem ent not i ce The text of the International Standard IEC 62298-3:2005 was approved by CENELEC as a European Standard without any modification. _ EN 62298-3:2005 Licensed Copy: sheffieldun sheffieldun, na
17、, Mon Nov 13 06:39:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 CONTENTS INTRODUCTION.5 1Scope.6 2Normative references .6 3Terms, definitions and abbreviations 7 3.1Terms and definitions7 3.2Abbreviations 7 4Display.8 4.1Colour representation8 4.2Text representation .9 4.3Text placement11 4.4Imag
18、e representation 12 4.54:3 and 16:9 aspect ratio displays .12 5URLs13 5.1File naming .14 5.2Access through page number 14 5.3TeleWeb file reference scheme .15 5.4Teletext page reference scheme17 5.5NexTView reference scheme.18 5.6Special function URLs .19 6Text and hypertext19 6.1TeleWeb HTML file f
19、ormat.19 6.2Syntax of TeleWeb HTML tags .21 6.3Document structure elements23 6.4Header section tags 26 6.5Paragraph formatting.28 6.6Character formatting31 6.7Hypertext links 35 6.8Lists 40 6.9Tables.43 6.10 Images 49 6.11 Ticker text .52 6.12 Exceptional ignored tags .54 7TeleWeb default style.54 8
20、Image files54 8.1GIF54 8.2JPEG 55 9Content labelling 55 9.1Predefined themes and identifier coding55 9.2Parental ratings.55 10Special data .55 10.1 Service identification graphic.55 10.2 Home page56 10.3 Default page56 EN 62298-3:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:39:53 G
21、MT+00:00 2006, Uncontrolled Copy, (c) BSI 4 10.4 Profile upgrade page .56 10.5 ZLIB dictionary files.56 11Service-related attributes57 11.1 Name 57 11.2 Information57 11.3 Language 57 11.4 Transmission schedule 57 12File-related attributes58 12.1 General file attributes 59 12.2 File content attribut
22、es 60 12.3 Time- and date-related attributes .61 12.4 Storage-related attributes 62 12.5 Special function attributes62 13Short and full TeleWeb service .63 14Individual addressing Group addressing.64 Annex A (informative) HTML compatibility .65 Annex B (normative) Default colour palette specificatio
23、n68 Annex C (normative) Table of predefined themes 70 Annex D (informative) TeleWeb document type definition (DTD) 77 Annex E (informative) TeleWeb default CSS2 style sheet 86 Annex F (normative) Font metrics89 Annex G (informative) TeleWeb Superteletext profile reference decoder .94 Bibliography .9
24、7 Annex ZA (normative) Normative references to international publications with their corresponding European publications .98 Table 1 Default colour palette 9 Table 2 Font sizes .10 Table 3 File naming .14 Table 4 EPG parameters16 Table 5 Profile parameter.17 Table 6 Special function URLs .19 Table 7
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