IEC 63080-2017 Accessibility terms and definitions《可访问性术语和定义》.pdf

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1、 IEC 63080 Edition 1.0 2017-07 INTERNATIONAL STANDARD Accessibility terms and definitions IEC 63080:2017-07(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized i

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9、 extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or need furthe

10、r assistance, please contact the Customer Service Centre: csciec.ch. IEC 63080 Edition 1.0 2017-07 INTERNATIONAL STANDARD Accessibility terms and definitions INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 01.040.01; 11.180.01 ISBN 978-2-8322-4658-0 Registered trademark of the International Electrotec

11、hnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC 63080:2017 IEC 2017 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms and definitions 7 4 Abbreviated terms . 12 5 Conventions 12 6 Terminology. 12 6.1 Access

12、 service or accessibility service 12 6.2 Accessibility 13 6.3 Accessibility content . 13 6.4 Accessibility feature 13 6.5 Assistive listening devices (ALD) 13 6.6 Assistive listening system (ALS) . 13 6.7 Assistive technology (AT) 14 6.8 Audio and spoken subtitles . 14 6.9 Audio captions/captioning

13、. 14 6.10 Audio description 14 6.11 Captions/captioning 14 6.12 Clean audio 15 6.13 Closed/open accessibility services 15 6.14 Design for all (deprecated) 15 6.15 Disability . 15 6.16 Human factors or ergonomics . 15 6.17 Impairment 16 6.18 Inclusive design 16 6.19 Interface accessibility . 16 6.20

14、Keyboard emulator 17 6.21 Lip-reading and lip-reading interpretation 17 6.22 Lip speaking or oral interpreters 17 6.23 Mainstreaming 17 6.24 Persons with age-related disabilities . 17 6.25 Persons with disabilities (PWD) 18 6.26 Persons with specific needs 18 6.27 Pixelation 18 6.28 Platform accessi

15、bility features. 18 6.29 Profile settings 18 6.30 Real time 18 6.31 Relay service 19 6.32 Remote participation . 19 6.33 Respeaking . 20 6.34 Screen magnification software 20 6.35 Screen reader software . 20 6.36 Sign language . 20 6.37 Sign language interpretation . 21 6.38 Special needs . 21 IEC 6

16、3080:2017 IEC 2017 3 6.39 Specific needs 21 6.40 Subtitles . 21 6.41 Supplementary audio services 22 6.42 Universal design . 22 Annex A (informative) Deprecated terminology 23 A.1 General . 23 A.2 Elderly 23 A.3 Handicapped . 23 A.4 Hearing impairment . 23 A.5 Inclusive design, design for all, or ac

17、cessible design 23 A.6 Persons with special needs . 23 Bibliography 24 4 IEC 63080:2017 IEC 2017 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ACCESSIBILITY TERMS AND DEFINITIONS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

18、all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards,

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22、mendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by an

23、y end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional pub

24、lication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by indep

25、endent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any

26、personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative

27、 references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsibl

28、e for identifying any or all such patent rights. International Standard IEC 63080 has been prepared by IEC technical committee 100: Audio, video and multimedia systems and equipment. ITU-T F.791:2015 has served as a basis for the elaboration of this standard. The text of this International Standard

29、is based on the following documents: CDV Report on voting 100/2775/CDV 100/2873/RVC Full information on the voting for the approval of this International Standard can be found in the report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directiv

30、es, Part 2. IEC 63080:2017 IEC 2017 5 The committee has decided that the contents of this document will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific document. At this date, the document will be reconfirmed, w

31、ithdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. 6 IEC 63080:2017 IEC 2017 INTRODUCTION This document defines words describing accessibility, disability, and technical terms to be used for improving the writing in relation to

32、 standardization, and to facilitate accurately the needs and the mainstreaming of accessibility in standards that will include persons with disabilities (PWD), older persons with age-related disabilities and persons with specific needs. See WTDC Res. 58, WTDC AP and ITUT F.790, listed in the Bibliog

33、raphy. With the advent of the United Nations Convention on the Rights of Persons with Disabilities (see UNCRPD in the Bibliography), its passage in 2006, and its ratification by numerous countries, many new terms and definitions were created. Some of these terms and definitions were created at the b

34、ehest of PWD themselves to eradicate terms that were demeaning, insulting, and inaccurate. Writers of standards are able to mainstream accessibility features into standards, as well as to write specific standards for accessibility. To design products and services successfully, there is a need for a

35、common language. This document is intended to give definitions so that it will make it easier for industries to implement these accessibility features and accessibility standards if everyone is using the same language and vocabulary. It is also important that governments, government agencies, non-go

36、vernment organizations (NGOs), the UN, and its respective agencies normalize these terms for their integration into mainstream everyday language. The UN Convention on the Rights of Persons with Disabilities (UNCRPD), Article 9, made clear the need to include PWD, older persons with age-related disab

37、ilities, and persons with specific needs by mainstreaming them into all aspects of modern life. This can only be done by including them in the design of modern technology and information and communication technologies (ICTs) using universal design as defined in the UNCRPD and using a common language

38、 and vocabulary. IEC 63080:2017 IEC 2017 7 ACCESSIBILITY TERMS AND DEFINITIONS 1 Scope This document contains a list of currently used terminology to describe accessibility and terms that writers of standards need when writing and designing International Standards. It is important to standardize and

39、 define a recognized list of the terms already used and in existing ITU Recommendations and Resolutions, along with those in the UN Convention on the Rights of Persons with Disabilities (UNCRPD). Without such a list, there could be confusion not only on the part of writers and implementers of standa

40、rds, but also by the public at large. It is also important to eliminate terminology that is no longer used, offensive, and demeaning to persons with disabilities (PWD) and others. The terminology in this document is for use in international work when English is used to refer to telecommunication/ICT

41、 accessibility matters. This document is also applicable to everyday life and all usages, including web design and other writings, as well as ICT, telecommunications, and broadcasting standardization. The aim is for it to also be mainstreamed into future policy, regulatory, and academic documents so

42、 as to be consistent with global compatibility and understanding. In the future, work that is yet to be created, written, or approved could include new terms that are added as appropriate by consensus in a revision. 2 Normative references There are no normative references in this document. 3 Terms a

43、nd definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http

44、:/www.iso.org/obp 3.1 access service accessibility service provision of features intended to make primary audiovisual content accessible to users with specific needs, preferences, or in specific environmental contexts 3.2 accessibility degree to which a product, device, service, or environment (virt

45、ual or real) is available to as many people as possible 3.3 accessibility content accessibility of the content delivered by an audiovisual media solution, i.e. captions, subtitles, audio description, audio subtitles, etc., and differentiated from the solutions interface accessibility 8 IEC 63080:201

46、7 IEC 2017 Note 1 to entry: Access services are a primary means of delivering content so that it will be accessible to PWD as well as persons with specific needs. 3.4 accessibility feature additional content component that is intended to assist people hindered in their ability to perceive an aspect

47、of the main content 3.5 ALD assistive listening devices devices enabling persons who are hard of hearing to hear sounds on an improved basis 3.6 ALS assistive listening system assistive technology (AT) systems using electromagnetic, radio or light waves, or a combination of the two, enabling transmi

48、ssion of the acoustic signal from the sound source (a loudspeaker or a person talking) directly to the hard-of-hearing persons ALD 3.7 AT assistive technology equipment, product system, hardware, software or service that is used to increase, maintain or improve capabilities of persons Note 1 to entr

49、y: Assistive technology is an umbrella term that is broader than assistive products. Note 2 to entry: Assistive technology can include assistive services, and professional services needed for assessment, recommendation and provision. SOURCE: ISO/IEC Guide 71:2014, 2.16, modified “individuals“ replaced by “persons“ for consistency within this document. 3.8 audio and spoken subtitles subtitle text rendered into speech by a human voice artist or a synthetic voice with a text-to- speech software progra