Audio description communicates important visual information through spoken narration so a viewer can understand events that the ordinary soundtrack does not explain. It may describe actions, expressions, scene changes or on-screen text, usually fitting around dialogue where possible. It differs from captions, which convey audio information visually, and from a screen reader, which announces interface information. A described presentation can be supplied as an alternate soundtrack or another supported delivery arrangement. Availability varies by programme and language, and a player cannot create a complete authored description merely by selecting an accessibility preference.
Audio description and TalkBack
TalkBack describes interface elements. Audio description conveys visual events within the programme.
Narrating what sound does not reveal
A silent exchange of a note or an unspoken reaction may carry essential story information. Description adds that context without needing to narrate every visible detail. Its timing and editorial choices must preserve dialogue and other meaningful sound. Some content integrates visual explanation naturally into its main narration, while other material benefits from a distinct described version.
Content access differs from menu access
A screen reader can announce a play button or programme title but does not ordinarily explain the video’s unfolding visual action. Audio description serves that content-level need. A viewer may use both together: one to navigate the app and another to follow the programme. Turning one feature off therefore does not necessarily change the other kind of spoken output.
Find and verify the track
Look for a described-audio label or accessibility role in the audio menu, checking language as well as the label. Listen to a passage with important silent action, because description may be absent during continuous dialogue. If unwanted narration occurs only during a programme, inspect the selected soundtrack before changing device-wide speech services. The described version may also have a different channel layout.
An illustrative example
A character silently hides a key while the main soundtrack contains only music. The described audio adds a brief explanation of the action. A screen reader announcing the title and playback controls would still leave that plot event unexplained, showing why interface speech and programme description are separate accessibility services.
Practical actions
- Select the described track in the intended language.
- Verify description during meaningful silent action.
- Distinguish programme narration from spoken interface controls.