agent makes the cues available to the user in a non-visual fashion, for instance, by synthesizing them into speech.</p>
		<p>The src attribute of the track element is an URL providing the text track data.</p>
		<p>The audio description cues must fit into the gaps available in the audio component of the media resource. If there is not enough time to synthesize the description text in the track cue's time interval, user agents may truncate the speech. This limits the amount of supplementary information that c