Writing & StyleStyle guide

Writing On-Screen Text in Audio Descriptions

Writing On-Screen Text in Audio Descriptions records a distinct W3C-supported accessibility writing task while keeping implementation mechanics outside the writing guidance.

Quick answer

Include the information from important on-screen text in the main audio or description when viewers need that text to understand the video.

Key details

Core IssueW3C WAI says text shown in video that is needed for understanding should be available in the main audio or separate description.
Registerweb accessibility and interface content

Important caveats

Scope Boundary

The wording does not always need to be verbatim, but it must preserve the information conveyed by the text; do not read incidental text that is irrelevant to understanding.

Further guidance

Content

Include the information conveyed by important on-screen titles, names, links, addresses, labels, or presentation text when the existing audio does not already communicate it.

Practical Application

Include important on-screen words when viewers need them to follow the story, instruction, identity, location, or argument; prioritize text that carries meaning rather than reading every decorative or redundant word.

Purpose

Making necessary on-screen text available in audio prevents essential written information from being lost to people who cannot see the video.

Reader Check

Would missing this on-screen text cause an audio-only listener to lose information needed to understand what happens next?

Worked Example

If a silent title card reads “Three months later,” include that wording in the description; a decorative brand word already spoken in dialogue may not need separate repetition.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Description of Visual Information (opens in a new tab)World Wide Web Consortium (W3C) · W3C WAI guidance for writing descriptions of visual information needed to understand video.

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