BS EN 62261-1-2006 Television METADATA - Part 1 Metadata dictionary structure《电视元数据 第1部分 元数据词典结构》.pdf
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1、BRITISH STANDARDBS EN 62261-1:2006Television METADATA Part 1: Metadata dictionary structureThe European Standard EN 62261-1:2006 has the status of a British StandardICS 33.160; 35.040g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3
2、g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Apr 19 06:19:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 62261-1:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28
3、 February 2007 BSI 2007ISBN 978 0 580 50220 0National forewordThis British Standard was published by BSI. It is the UK implementation of EN 62261-1:2006. It is identical with IEC 62261-1:2005.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio, video and multi
4、media systems and equipment.A list of organizations represented on EPL/100 can be obtained on request to its secretary.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 cannot
5、confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Apr 19 06:19:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 62261-1 NORME EUROPENNE EUROPISCHE NORM December 2006 CENELEC European Committee for Electro
6、technical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No
7、. EN 62261-1:2006 E ICS 33.160; 35.040 English version Television METADATA Part 1: Metadata dictionary structure (IEC 62261-1:2005) Mtadonnes des applications tlvision Partie 1: Structure du dictionnaire des mtadonnes (CEI 62261-1:2005) Fernseh-Metadaten Teil 1: Metadaten-Verzeichnisstruktur (IEC 62
8、261-1:2005) This European Standard was approved by CENELEC on 2006-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibl
9、iographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in two official versions (English and German). A version in any other language made by translation under the responsibility of a
10、 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 electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Icela
11、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Thu Apr 19 06:19:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSIForeword The text of the Int
12、ernational Standard IEC 62261-1:2005, prepared by Technical Area 6: Higher data rate storage media, data structure and equipment, of IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the formal vote and was approved by CENELEC as EN 62261-1 on 2006-12-01 without any mod
13、ification. 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) 2007-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-12-01
14、 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62261-1:2005 was approved by CENELEC as a European Standard without any modification. _ EN 62261-1:2006 2 Licensed Copy: Wang Bin, na, Thu Apr 19 06:19:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSICO
15、NTENTS 1 Scope.4 2 Normative references .4 3 Metadata dictionary structure .4 3.1 General .4 3.2 Compatibility with other metadata structures .5 3.3 Individual metadata classes 5 3.4 Dictionary element structure and format 9 3.5 Metadata dictionary structure maintenance10 Annex A (normative) Glossar
16、y of terms.11 Figure 1 Metadata class structure 6 EN 62261-1:2006 3 Annex ZA (normative) Normative references to international publications with theircorresponding European publications 13Licensed Copy: Wang Bin, na, Thu Apr 19 06:19:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSITELEVISION METADATA P
17、art 1: Metadata dictionary structure 1 Scope The metadata dictionary structure defined in this part of IEC 62261 covers the use of metadata for all types of essence (video, audio, and data in their various forms). Applications of individual dictionary entries will vary but, when used, metadata shall
18、 conform to the definitions and formats in this metadata dictionary structure standard and the associated metadata dictionary recommended practice (IEC 62261-3). IEC 62261-3 defines a registered set of metadata element descriptions for association with essence or other metadata and this standard and
19、 the contents practice shall be used together as a pair neither shall be used in isolation. The IEC may, from time to time, appoint other bodies to act as its Registration Authority and Agent for the compilation and safe keeping of IEC 62261-3 as described in IEC 62261-2. 2 Normative references The
20、following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62261-2, Television metadata Part 2: Data encodin
21、g protocol using key-length-value IEC 62261-3, Television metadata Part 3: Universal labels for unique identification of digital data 3 Metadata dictionary structure 3.1 General The metadata dictionary structure provides flexibility in capturing metadata and exchanging it among applications through
22、a standardized hierarchy of universal labels for the metadata elements, grouped to aid their management within a small but comprehensive number of classes. Metadata classes are collections of metadata elements with common characteristics or attributes. Additional classes are provided for user-define
23、d metadata. IEC 62261-3 references an individual item or element of metadata using a two-part 16-byte universal label that is numerical (and hence language-independent) and unique. The first eight bytes label the second eight bytes as a “tag” in a specific version of a designated metadata dictionary
24、 (“tags” are defined in IEC 62261-2 (key-length-value encoding). This tag is used to index the meaning or definition of the metadata element. The actual metadata information described by the metadata element is the metadata value. The dictionary also contains information on the required format of me
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