YD/T 1822-2008 Information Accessibility for People with Physical Disabilies Testing Specification for Web Content Accessibility Evaluation (English Version)
1 Scope
This standard specifies the technical requirements for web design for accessibility, including the perceived requirements for web content, the operational requirements for interface
components, the understandable requirements for content and control, and the ability of content to support existing and potential future technologies.
This standard applies to web design for accessibility, as well as to the design, development and management of accessible websites by public website owners, website managers and web
developers.
2 Definitions and Abbreviations
The following definitions and abbreviations apply to this standard.
2.1 Definitions
The following terminologies and definitions apply to this document.
2.1.1 Information Accessibility
Anyone who is healthy or disabled, young or old can benefit from information technology and has equal, accessible and accessible access to information under all circumstances.
2.1.2 Web Accessibility
Disabled persons and able-bodied persons with special needs can access any information on the Internet. To do so, web content accessibility and accessibility to accessibility software
technologies are required.
2.1.3 Assistive Technology
Hardware and/or software acting as a user agent. In order to meet the needs of special groups of people with t physical differences(e.g., disabled people), in addition to the features
provided by mainstream user agents, and they can also be provided with mainstream user agents.
Special features offered by assistive technologies include alternative expressions(e.g., synthesized speech or amplified content), alternative inputs (e.g., voice input), additional
browsing and navigation mechanisms, and content conversion (e.g. making tables more
accessible), etc.
Assistive technologies typically exchange data and messages with mainstream user agents by—using and monitoring APIs. There is no absolute difference between mainstream user agents and
assistive technologies, and many mainstream user agents offer some special features that support to use of disabled people. The basic difference is that mainstream user agents servea wider range of different types of people, usually including able-bodied and disabled.
Important assistive technologies covered by this standard include:
——Screen amplifier, used by people with visual impairment, can enlarge fonts on the screen and change colors to improve the visual readability of changed text and images.
——Screen reader, used by blind or dyslexic people to read text information by synchronizing speech or text display.
——Speech recognition software, used by people with certain physiological impairments.
——Alternative keyboard, used by people with some certain physical impairments to simulate the function of keyboard.
——Alternative pointing device, used by people with certain physical impairments to simulate mouse positioning and button movements.
2.1.4 User Agent
Software that can retrieve and present Web content to users. For example, Web browsers, media players, plug-ins, and other programs (including assistive technologies) can help retrieve
and present Web content.
2.1.5 Multimedia
Audio or video synchronized with another medium and/or time-based interactive components.
2.1.6 Natural languages
The languages used in human communication include oral language, written language, and sign language.
2.1.7 Caption
Text displayed synchronized with multimedia provides not only speech content, but also sound effects, and sometimes the identity of the speaker.
2.1.8 Text
Character sequence, a character is a character in the Unicode/ISO/IEC 106464 library.
2.1.9 Text alternative
Text that can be programmatically identified, Text used to replace non-text content, or used to supplement non-text content and can be referenced in programmatically determined text.
2.1.10 Non-Textual Content
Content that cannot be displayed with a single Unicode character or sequence of Unicode characters when the user agent is displayed according to the formal specification of content
types.
Note: Includes ASCII graphics, which are patterns composed of characters.
2.1.11 Audio Description
A narrative attached to the audio track to describe important visual details that cannot be understood only from the main track.
——Audio description of video can provide information on actions, characters, scene changes and subtitle text.
—— In standard audio descriptions, narration is added during the pause of the current dialogue.
Contents
Foreword
1 Scope
2 Definitions and Abbreviations
2.1 Definitions
2.2 Abbreviations
3 Overview
4 Content perceptibility
4.1 Provide alternative text for all non-text content
4.2 Providing Sync Alternative Text for Multimedia
4.3 Ensure that information and structure can be separated from performance
4.4 Foreground information and background should be easily distinguished
5 Operability of interface components in content
5.1 All functions can be operated through keyboard interface
5.2 The user can control the time limit when reading or interacting with the web page
5.3 Allow users to avoid photosensitive content
5.4 Provides mechanisms to help users find content
5.5 Help users avoid errors and easily correct them when they occur
6 Comprehensibility of content and control
6.1 Text content is readable and understandable
6.2 The layout and functionality of the content is predictable
7 Compatibility Requirements
7.1 Compatible with current and future user agents (including assistive technologies)
7.2 Ensure that the content is accessible or provide an accessible option
YD/T 1822-2008 Information Accessibility for People with Physical Disabilies Testing Specification for Web Content Accessibility Evaluation (English Version)
Standard No.
YD/T 1822-2008
Status
superseded
Language
English
File Format
PDF
Word Count
17000 words
Price(USD)
510.0
Implemented on
2008-11-1
Delivery
via email in 1~2 business day
Detail of YD/T 1822-2008
Standard No.
YD/T 1822-2008
English Name
Information Accessibility for People with Physical Disabilies Testing Specification for Web Content Accessibility Evaluation
1 Scope
This standard specifies the technical requirements for web design for accessibility, including the perceived requirements for web content, the operational requirements for interface
components, the understandable requirements for content and control, and the ability of content to support existing and potential future technologies.
This standard applies to web design for accessibility, as well as to the design, development and management of accessible websites by public website owners, website managers and web
developers.
2 Definitions and Abbreviations
The following definitions and abbreviations apply to this standard.
2.1 Definitions
The following terminologies and definitions apply to this document.
2.1.1 Information Accessibility
Anyone who is healthy or disabled, young or old can benefit from information technology and has equal, accessible and accessible access to information under all circumstances.
2.1.2 Web Accessibility
Disabled persons and able-bodied persons with special needs can access any information on the Internet. To do so, web content accessibility and accessibility to accessibility software
technologies are required.
2.1.3 Assistive Technology
Hardware and/or software acting as a user agent. In order to meet the needs of special groups of people with t physical differences(e.g., disabled people), in addition to the features
provided by mainstream user agents, and they can also be provided with mainstream user agents.
Special features offered by assistive technologies include alternative expressions(e.g., synthesized speech or amplified content), alternative inputs (e.g., voice input), additional
browsing and navigation mechanisms, and content conversion (e.g. making tables more
accessible), etc.
Assistive technologies typically exchange data and messages with mainstream user agents by—using and monitoring APIs. There is no absolute difference between mainstream user agents and
assistive technologies, and many mainstream user agents offer some special features that support to use of disabled people. The basic difference is that mainstream user agents servea wider range of different types of people, usually including able-bodied and disabled.
Important assistive technologies covered by this standard include:
——Screen amplifier, used by people with visual impairment, can enlarge fonts on the screen and change colors to improve the visual readability of changed text and images.
——Screen reader, used by blind or dyslexic people to read text information by synchronizing speech or text display.
——Speech recognition software, used by people with certain physiological impairments.
——Alternative keyboard, used by people with some certain physical impairments to simulate the function of keyboard.
——Alternative pointing device, used by people with certain physical impairments to simulate mouse positioning and button movements.
2.1.4 User Agent
Software that can retrieve and present Web content to users. For example, Web browsers, media players, plug-ins, and other programs (including assistive technologies) can help retrieve
and present Web content.
2.1.5 Multimedia
Audio or video synchronized with another medium and/or time-based interactive components.
2.1.6 Natural languages
The languages used in human communication include oral language, written language, and sign language.
2.1.7 Caption
Text displayed synchronized with multimedia provides not only speech content, but also sound effects, and sometimes the identity of the speaker.
2.1.8 Text
Character sequence, a character is a character in the Unicode/ISO/IEC 106464 library.
2.1.9 Text alternative
Text that can be programmatically identified, Text used to replace non-text content, or used to supplement non-text content and can be referenced in programmatically determined text.
2.1.10 Non-Textual Content
Content that cannot be displayed with a single Unicode character or sequence of Unicode characters when the user agent is displayed according to the formal specification of content
types.
Note: Includes ASCII graphics, which are patterns composed of characters.
2.1.11 Audio Description
A narrative attached to the audio track to describe important visual details that cannot be understood only from the main track.
——Audio description of video can provide information on actions, characters, scene changes and subtitle text.
—— In standard audio descriptions, narration is added during the pause of the current dialogue.
Contents of YD/T 1822-2008
Contents
Foreword
1 Scope
2 Definitions and Abbreviations
2.1 Definitions
2.2 Abbreviations
3 Overview
4 Content perceptibility
4.1 Provide alternative text for all non-text content
4.2 Providing Sync Alternative Text for Multimedia
4.3 Ensure that information and structure can be separated from performance
4.4 Foreground information and background should be easily distinguished
5 Operability of interface components in content
5.1 All functions can be operated through keyboard interface
5.2 The user can control the time limit when reading or interacting with the web page
5.3 Allow users to avoid photosensitive content
5.4 Provides mechanisms to help users find content
5.5 Help users avoid errors and easily correct them when they occur
6 Comprehensibility of content and control
6.1 Text content is readable and understandable
6.2 The layout and functionality of the content is predictable
7 Compatibility Requirements
7.1 Compatible with current and future user agents (including assistive technologies)
7.2 Ensure that the content is accessible or provide an accessible option
