WCAG 2.1·Perceivable·1.2 Time-based Media

1.2.1 Audio-only and Video-only (Prerecorded)

Level A

Prerecorded audio needs a transcript; prerecorded silent video needs an audio or text description of what happens.

Why it matters

Deaf users miss audio-only media; blind users miss visual-only media. Each needs an equivalent in another modality.

Common failure

<audio src="/podcast.mp3" controls></audio>

Accessible version

<audio src="/podcast.mp3" controls></audio>
<a href="/podcast-transcript">Read transcript</a>

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