Ejemplos

In Expanded Description, the video will "freeze" briefly, allowing additional time to thoroughly describe a scene. Without being limited by the length and location of pauses in the program audio, the audio describer is able to provide more extensive narration. Graphs, diagrams, and full-screen text, in particular, can benefit from Expanded Description. In this sample and in many ET programs, all of the audio description is subtitled for the benefit of visual learners. These subtitles are italicized and placed in the upper right corner of the screen to distinguish them from standard subtitles. The green text "Expanded Description" in this sample is for illustrative purposes only and doesn't appear in actual programs.

This video illustrates how a user can click on a subtitle to pull up additional information about the topic, such as the definition of a key vocabulary word or a grade-appropriate study question. The user is prompted by an audio indicator - in this case a chime - and by a visual highlight in the subtitle. After the information is displayed and read aloud, the user is smoothly returned to the video at the beginning of the interrupted sentence. This sample shows how an inexperienced user might have a slightly delayed reaction when first encountering an annotation button but is able to activate the second button more quickly. The buttons are designed to compensate for slower reaction times.

A video mock-up of a spoken menu. Note how the user can move through menu options using only the up or down key and the Enter or Select button.

Simple backgrounds, high color contrast, and clear button highlights benefit low-vision users.