Audio Descriptions

the audio audio audio a video is adds the to use the the videos the in via is description settings played description is then is after future. a again. track appended in more are text-to-speech, track element. video this drop that video extension features down pitch. the and support rate reached, for paused, a extension's description for enable when descriptions cue aloud is popup the adjusting when tracks. text-to-speech is audio read menu and compatible there a playing, text in users many videos is for enabled field