Technique</p></section><section class="applicability"><h2>When to Use</h2>
      <p>HTML5</p>
   </section><section class="description"><h2>Description</h2>
      <p>The objective of this technique is to use the HTML5 track element to specify a descriptions timed text track for a video element. Audio description timed text tracks contain textual descriptions of the video component of the media resource, intended for audio synthesis when the visual component is obscured, unavailable, or not usable. The user 