Web Accessibility

Live Audio with Video

Meeting WCAG 2.0

A To claim Single A conformance, all of your pages and documents must meet all Single A requirements for all content

A A To claim Double A, all of your pages and documents must meet all Single A and all Double A requirements

A A A To claim Triple A, all of your pages and documents must meet all Single A, Double A and Triple A requirements

About live audio with video and accessibility

Making live audio with video (multimedia) accessible can benefit people with movement, visual, hearing, cognitive or seizure-related disabilities.

Single A

Making the multimedia

Starting with 'shooting' with a camera or capturing video, make sure that:

Making the purpose of your multimedia clear

Because a multimedia file is not text, it cannot be 'read' by a screen reader. Therefore, it must have a text alternative that serves the same purpose. This alternative must also be identified so people know it is non-text content. This alternative can be

Or, a brief description of the multimedia and:

Operating the multimedia in a webpage

People must be able to operate the multimedia by any input device. Therefore, just providing functionality for the mouse is not enough, although the mouse should be able to access any content on the page. The keyboard must be able to operate the all functionality of the multimedia. Also

Double A

Making the multimedia

No specific requirements relating to pre-recorded multimedia production. Although if any text is included in the video, as screens or information added to precede the viewing of the multimedia, such as credits or advertisements

Making the purpose of your multimedia clear

Captions must be added to the audio in live multimedia to help people with hearing or cognitive impairments understand the content. They also help people understand content if the language of the captions is unfamiliar. Captions must be

  • Synchronised with the audio and video displaying information that applies to the timeline
  • Contain enough information to provide an alternative to the combined content of the video and audio
  • Operable by the user (if closed)

Captions can be

If the multimedia is clearly identified as a media equivalent to text content, captions are not required.

Operating the multimedia in a webpage

The controls to operate the multimedia should be accessible with a keyboard, and should be visible (highlighted) when they receive focus. Therefore it is best to keep it simple, so developers should keep the default 'focus' functionality of the browser, assistive technology or operating system.

Triple A

Making the multimedia
Making the purpose of your multimedia clear