The description summarizes any visual information, including action, settings, and characters that are necessary to understand the video. The description of the video should be made available in text and audio form. It can be both subjective and artistic, depending on the intentions of the author. If the product is to be used by or sold to the U.S. governement, the description must be synchronized with the presentation. Testing Test the software to ensure that it complies with accessibility requirements.
Several techniques are available to verify that the audio and video information is accessible.
Test the portion of the software which provides audio and video output. Verify the information in the audio is available as text transcript or captions with the audio. Verify the information in the video is accessible with a text or audio description of the video.