Unlike "open captions", which are always visible, "closed captions" are enabled by the user on request. They are visible only when needed and can be disabled by people who are not deaf and do not wish to view them. Closed captions require media players to have a control that allows the user to enable or disable them, as well as instructions on how to do this.
Closed captions can be added to audio and video content after the content has been created. Check that the captions are only visible when the option to view them is selected and that they document all dialogue, commentary and important sounds.
To add various kinds of audio descriptions or captioning of audio and video content, HTML5 has introduced a new element called the
Another way of creating captions is to use the JavaScript library, Captionator.
No example is available.