1.2.1 Audio-only and Video-only (Prerecorded)

Updated on October 11, 2025

Goal: Ensure that prerecorded audio-only and video-only content has an alternative for users who cannot hear or see it.

  • Audio-only: Provide a text transcript.
  • Video-only: Provide a descriptive text or alternative content explaining what is visible.

This helps users with hearing impairments access audio content and users with visual impairments access video content.

Examples of Issues & Fixes

Prerecorded Audio (Podcast)

Fail
<div class="flex flex-col items-center justify-center gap-4 p-8">
  <audio controls src="https://webcontentaccessibility.com/wp-content/uploads/2025/10/into.mp3" type="audio/mpeg">
  </audio>
</div>
Pass
<div class="flex flex-col items-center justify-center gap-4 p-8">
  <audio controls src="https://webcontentaccessibility.com/wp-content/uploads/2025/10/into.mp3" type="audio/mpeg">
  </audio>

  <a class="underline" href="https://webcontentaccessibility.com/wp-content/uploads/2025/10/intro-transcript.txt">Read the transcript</a>
</div>

Prerecorded Video without Visual Description

Fail
<div class="flex flex-col items-center justify-center gap-4 p-8">
  <video src="https://assets.webcontentaccessibility.com/2025/10/envato_video_gen_Oct_06_2025_9_21_38.mp4" class="w-full h-auto" controls>
  </video>
</div>
Pass
<div class="flex flex-col items-center justify-start gap-4 p-8">
  <video src="https://assets.webcontentaccessibility.com/2025/10/envato_video_gen_Oct_06_2025_9_21_38.mp4" class="w-full h-auto" controls>
  </video>

  <p class="bg-frost-100 p-4 m-0 text-sm">
    This animation shows a red ball bouncing across a green field from left to right, illustrating motion physics principles.
  </p>
</div>

This animation shows a red ball bouncing across a green field from left to right, illustrating motion physics principles.

Quick Checklist

  • ✅ Provide transcripts for audio-only content.
  • ✅ Provide text descriptions for video-only content.
  • ✅ Ensure alternatives convey the same information.

By implementing these alternatives, prerecorded audio or video content becomes accessible, satisfying WCAG 1.2.1.

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