9.2.4: Audio description or media alternative (pre-recorded)

Where ICT is a web page, it shall satisfy WCAG 2.0 Success Criterion 1.2.3 Audio Description or Media Alternative (Pre-recorded).

WCAG 2.0 success criterion: Audio description or media alternative (pre-recorded)

An alternative for time-based media or audio description of the pre-recorded video content is provided for synchronized media, except when the media is a media alternative for text and is clearly labeled as such.

NOTE 1: The WCAG 2.0 definition of "audio description" says that "audio description" is "Also called 'video description' and 'descriptive narration'".

NOTE 2: Secondary or alternate audio tracks are commonly used for this purpose.

Testing methods