Checkpoint 1.2 - Audio and Video
HTML equivalents for audio files are updated when the audio file is updated
WCAG 1.0 Priority 1
WCAG Guideline 6. Ensure that pages featuring new technologies transform gracefully.
People with disabilities who cannot access dynamic content need to be able to access information provided in the dynamic content. Therefore whenever dynamic content is updated, the associated equivalent should be updated as well. If audio content has a redundant text equivalent, ensure that the text equivalent is updated whenever the audio has been changed.
Requirement
Ensure that equivalents for dynamic content are updated whenever the dynamic content changes.
Checking Tool
View website in the browser to ensure that all audio files are accompanied by the appropriate transcripts.
Information Source
The original source of this information is located on the W3C web site (www.w3.org/TR/WCAG10-TECHS/#gl-new-technologies)