SIST EN 301549:2021

SLOVENSKI STANDARD
SIST EN 301549:2021
01-september-2021
Nadomešča:
SIST EN 301549:2020
Zahteve za dosegljivost izdelkov in storitev IKT
Accessibility requirements for ICT products and services
Barrierefreiheitsanforderungen für IKT-Produkte und -Dienstleistungen
Ta slovenski standard je istoveten z: EN 301549:2021
ICS:
53.080 Skladiščna oprema Storage equipment
SIST EN 301549:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 301549:2021

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SIST EN 301549:2021


EUROPEAN STANDARD EN 301549

NORME EUROPÉENNE

EUROPÄISCHE NORM
June 2021
ICS 53.080
Supersedes EN 301549:2019
English version

Accessibility requirements for ICT products and services
Exigences d'accessibilité pour les produits et services Barrierefreiheitsanforderungen für IKT-Produkte und -
TIC Dienstleistungen
This European Standard was approved by CEN on 23 April 2021.
HARMONISED EUROPEAN STANDARD

CEN and 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 bibliographical
references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to
any CEN and CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN and CENELEC member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium,
Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
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Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.












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© 2021 CEN/CENELEC All rights of exploitation in any form and by any means Ref. No. EN 301549:2021 E
reserved worldwide for CEN national Members and for
CENELEC Members.

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Reference
REN/HF-00301549v321
Keywords
accessibility, HF, ICT, procurement
CEN CENELEC ETSI
Rue de la science, 23 Rue de la science, 23 650 Route des Lucioles
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© European Telecommunications Standards Institute 2021.
© Comité Européen de Normalisation 2021.
© Comité Européen de Normalisation Electrotechnique 2021.
All rights reserved.

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Contents
Contents . 3
Intellectual Property Rights . 8
Foreword. 8
Modal verbs terminology . 9
Introduction . 9
1 Scope . 11
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definition of terms, symbols and abbreviations . 15
3.1 Terms . 15
3.2 Symbols . 19
3.3 Abbreviations . 19
4 Functional performance . 20
4.1 Meeting functional performance statements . 20
4.2 Functional performance statements . 20
4.2.1 Usage without vision . 20
4.2.2 Usage with limited vision . 20
4.2.3 Usage without perception of colour . 20
4.2.4 Usage without hearing . 21
4.2.5 Usage with limited hearing . 21
4.2.6 Usage with no or limited vocal capability . 21
4.2.7 Usage with limited manipulation or strength . 21
4.2.8 Usage with limited reach . 21
4.2.9 Minimize photosensitive seizure triggers . 22
4.2.10 Usage with limited cognition, language or learning . 22
4.2.11 Privacy . 22
5 Generic requirements . 23
5.1 Closed functionality . 23
5.1.1 Introduction (informative) . 23
5.1.2 General . 23
5.1.3 Non-visual access . 23
5.1.4 Functionality closed to text enlargement . 26
5.1.5 Visual output for auditory information. 27
5.1.6 Operation without keyboard interface . 27
5.1.7 Access without speech . 27
5.2 Activation of accessibility features . 27
5.3 Biometrics . 28
5.4 Preservation of accessibility information during conversion . 28
5.5 Operable parts . 28
5.5.1 Means of operation . 28
5.5.2 Operable parts discernibility . 28
5.6 Locking or toggle controls . 28
5.6.1 Tactile or auditory status . 28
5.6.2 Visual status . 28
5.7 Key repeat . 29
5.8 Double-strike key acceptance . 29
5.9 Simultaneous user actions . 29
6 ICT with two-way voice communication . 30
6.1 Audio bandwidth for speech . 30
6.2 Real-Time Text (RTT) functionality . 30
ETSI CEN CENELEC

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6.2.1 RTT provision . 30
6.2.2 Display of RTT . 31
6.2.3 Interoperability . 31
6.2.4 RTT responsiveness . 32
6.3 Caller ID . 32
6.4 Alternatives to voice-based services . 32
6.5 Video communication . 33
6.5.1 General (informative) . 33
6.5.2 Resolution . 33
6.5.3 Frame rate . 33
6.5.4 Synchronization between audio and video . 33
6.5.5 Visual indicator of audio with video . 33
6.5.6 Speaker identification with video (sign language) communication. 34
6.6 Alternatives to video-based services . 34
7 ICT with video capabilities . 35
7.1 Caption processing technology . 35
7.1.1 Captioning playback . 35
7.1.2 Captioning synchronization . 35
7.1.3 Preservation of captioning . 35
7.1.4 Captions characteristics . 35
7.1.5 Spoken subtitles . 35
7.2 Audio description technology . 36
7.2.1 Audio description playback . 36
7.2.2 Audio description synchronization . 36
7.2.3 Preservation of audio description . 36
7.3 User controls for captions and audio description . 36
8 Hardware . 37
8.1 General . 37
8.1.1 Generic requirements . 37
8.1.2 Standard connections. 37
8.1.3 Colour. 37
8.2 Hardware products with speech output . 37
8.2.1 Speech volume gain . 37
8.2.2 Magnetic coupling . 37
8.3 Stationary ICT . 38
8.3.0 General . 38
8.3.1 Forward or side reach . 38
8.3.2 Forward reach. 38
8.3.3 Side reach . 40
8.3.4 Clear floor or ground space . 41
8.3.5 Visibility . 43
8.3.6 Installation instructions . 43
8.4 Mechanically operable parts . 43
8.4.1 Numeric keys . 43
8.4.2 Operation of mechanical parts . 44
8.4.3 Keys, tickets and fare cards . 44
8.5 Tactile indication of speech mode . 44
9 Web . 45
9.0 General (informative) . 45
9.1 Perceivable . 45
9.1.1 Text alternatives . 45
9.1.2 Time-based media . 45
9.1.3 Adaptable . 46
9.1.4 Distinguishable . 46
9.2 Operable . 47
9.2.1 Keyboard accessible . 47
9.2.2 Enough time . 47
9.2.3 Seizures and physical reactions . 48
9.2.4 Navigable . 48
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9.2.5 Input modalities . 48
9.3 Understandable . 49
9.3.1 Readable . 49
9.3.2 Predictable . 49
9.3.3 Input assistance . 49
9.4 Robust . 50
9.4.1 Compatible . 50
9.5 WCAG 2.1 AAA Success Criteria . 50
9.6 WCAG conformance requirements . 51
10 Non-web documents . 52
10.0 General (informative) . 52
10.1 Perceivable . 52
10.1.1 Text alternatives . 52
10.1.2 Time-based media . 53
10.1.3 Adaptable . 54
10.1.4 Distinguishable . 54
10.2 Operable . 56
10.2.1 Keyboard accessible . 56
10.2.2 Enough time . 57
10.2.3 Seizures and physical reactions . 58
10.2.4 Navigable . 58
10.2.5 Input modalities . 59
10.3 Understandable . 60
10.3.1 Readable . 60
10.3.2 Predictable . 60
10.3.3 Input assistance . 61
10.4 Robust . 61
10.4.1 Compatible . 61
10.5 Caption positioning . 62
10.6 Audio description timing . 62
11 Software . 63
11.0 General (informative) . 63
11.1 Perceivable . 64
11.1.1 Text alternatives . 64
11.1.2 Time-based media . 64
11.1.3 Adaptable . 65
11.1.4 Distinguishable . 67
11.2 Operable . 68
11.2.1 Keyboard accessible . 68
11.2.2 Enough time . 69
11.2.3 Seizures and physical reactions .
...