To claim Single A conformance, all of your pages and documents must meet all Single A requirements
To claim Double A, all of your pages and documents must meet all Single A and all Double A requirements
To claim Triple A, all of your pages and documents must meet all Single A, Double A and Triple A requirements
Video or animation can be a stand-alone file, with or without audio or user interaction. Making pre-recorded video accessible can benefit people with visual, cognitive or seizure-related disabilties. Accessible video can also benefit people using certain technologies, which might not support video. For example, some mobile devices have limited FLASH support.
Starting with 'shooting' with a camera or capturing video via a software package such as Captivate, or creating an animation, make sure that:
An alternative to video can be a document that describes the intent and purpose of the video, or an audio file that describes the video immediately before or after the video.
Because a video-only file is not text, it cannot be 'read' by a screen reader. Therefore, it must have a text alternative that serves the same purpose. This alternative must also be identified so people know it is non-text content. This alternative can be
Or, a brief description of the video, or a descriptive label of the video and:
People must be able to operate the video by any input device. Therefore, just providing functionality for the mouse is not enough, although the mouse should be able to access any content on the page. The keyboard must be able to operate the all functionality of the video
Also,
No specific requirements relating to pre-recorded video production. Although if any text is included in the video, as screens or information added to preceed the viewing of the video, such as credits or advertisements
The controls to operate the video should be accessible with a keyboard, and should be visible (highlighted) when they receive focus. Therefore it is best to keep it simple, so