Accessible online audio and video

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Accessibility can be achieved without compromising multimedia content. In fact, making audio and video content accessible enhances user experience generally and even boosts SEO.

WCAG 2.0 provides guidance on how to make time-based media, (audio and video content) accessible to people with disabilities. By following these guidelines, content producers provide alternatives which present equivalent information for disabled users.

For example, transcripts enable people who are Deaf and hearing impaired to access audio only content like podcasts whereas audio description will enable people who are blind or vision impaired to access your videos.

Our quick reference to accessibility requirements for online audio and video provides an easy to use lookup table that will help you work out which alternative formats are needed to make your time-based media comply with WCAG 2.0.


Captioning is the text version of speech and other sound that can be provided on video content.

Learn more about:

Audio description

Audio description is the auditory narration of visual representations such as television programs, films and live performances.

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