Understanding SC 1.2.5 Audio Description (Prerecorded)

Avatar for Raghavendra Satish PeriAuthored By :Raghavendra Satish Peri Last Updated : WCAG

1.2.5 Audio Description (Prerecorded): Audio description is provided for all prerecorded video content in synchronized media. (Level AA)

The intent of this success criterion is to provide audio descriptions to the videos so as to aid blind & visually impaired users understand the visual aspect of the video content. Videos often contain a lot of content that need sight to understand! If audio descriptions are provided, then the same content can be explained to non-sighted users & they will not lose any aspect of the video. This helps both sighted & non-sighted users to have similar experience. Audio descriptions also help people with cognitive difficulties to understand the video well.

Example of an Audio Described Video

Points to Ponder

  • Provide audio descriptions where visual aspect is not explained in the dialog of the video
  • The audio description can either be separate from the original video or be an integral part of the video
  • Audio description must include scene changes, settings, actions that are described in dialogues and any other visual information that is not conveyed via a speech or dialog
  • Use media players that support audio descriptions.

Related WCAG Articles

References

Notes: If audio description is provided as part of the SC 1.2.3 then you are satisfying SC1.2.5 by default. Checkpoints 1.2.3, 1.2.5 & 1.2.8 are similar & overlap with each other. It depends on what kind of conformance the application would like to achieve.

Avatar for Raghavendra Satish Peri

Raghavendra Satish Peri is a digital Transformation specialist working with small & large enterprises in the areas of digital accessibility & digital marketing. He authors an Accessibility Blog at DigitalA11Y.com & is galvanizing the adoption of accessibility by inspiring the local tech community with meetups and mentorship. He propelled this thought by founding HelloA11y.com, a community of accessibility professionals, developers, and enthusiasts. When away from his computer, Raghava can be found at local cafes & restaurants sampling cuisines, attending local meetups, listening to audio books, or writing on his Personal Blog at raghava.in.

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