1.2.3 Audio Description or Media Alternative (Prerecorded) Level A

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Conformance Levels

Description

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

[View on W3C.org]

Questions & Answers

How should I approach audio descriptions for slideshow presentations?

I want to add audio description to a slideshow that presents a photo and text exhibition. In the slideshow, images and text alternate. The audio until now only contains music. The images show people and the text gives more background about the people. When describing...

  • audio descriptions

What Is Synchronized Media?

What is synchronized media (1.2)? Is a video with audio considered synchronized?

  • audio
  • audio descriptions
  • captions
  • prerecorded video
  • video

What is an audio description?

I've been told that I need to add an audio description to my videos, what does that mean? Will I need to have two different versions of the video?

  • audio
  • audio descriptions
  • prerecorded video
  • video
  • visual media

Do all videos need a transcript?

I'm working on some new blog posts and I want to include videos. Do all videos need a transcript to be accessible?

  • transcript
  • video

Do all videos need audio descriptions?

I'm going to add some videos to my website and I've heard that videos need audio descriptions. Is that true? Do all videos need audio descriptions?

  • audio descriptions
  • video

What is Time-based media?

I see that one of the web accessibility guidelines is 'Time-based Media'. What is that?

  • flashes
  • images
  • video
  • youtube