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Accessibility/IA2 1.3: Difference between revisions
→Text Descriptions and Subtitles for Video and Audio [Silvia description]
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===Text Descriptions and Subtitles for Video and Audio [Silvia description]=== | ===Text Descriptions and Subtitles for Video and Audio [Silvia description]=== | ||
The <track> element in HTML5 exposes captions, subtitles | The <track> element in HTML5 exposes captions, subtitles, text descriptions, and chapters for navigation to a HTML5 video player. | ||
See the [http://www.w3.org/TR/html5/the-iframe-element.html#the-track-element HTML5 track element] for the specification. | See the [http://www.w3.org/TR/html5/the-iframe-element.html#the-track-element HTML5 track element] for the specification. | ||
The captions have a visual presentation, but are probably not relevant to be exposed to screen readers, because they repeat what is already available in the audio. | The subtitles and captions have a visual presentation, but are probably not relevant to be exposed to screen readers, because they repeat what is already available in the audio. They may still be relevant to screen magnifiers though. They could be made available as an alternative to the video's native audio track. | ||
The | The chapters represent navigation markers and are supposed to have a visual presentation, but it's not quite solved yet. | ||
The text descriptions have no visual presentation, but are supposed to be exposed to screen readers. | The text descriptions have no visual presentation, but are supposed to be exposed to screen readers. | ||