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You are here: Home / Web Accessibility / WCAG / Understanding SC 1.2.1 Audio-only and Video-only (Prerecorded)

Understanding SC 1.2.1 Audio-only and Video-only (Prerecorded)

Last Modified: December 26, 2019 by Raghavendra Satish Peri Leave a Comment

1.2.1 Audio-only and Video-only (Prerecorded): For prerecorded audio-only and prerecorded video-only media, the following are true, except when the audio or video is a media alternative for text and is clearly labeled as such: (Level A)

  • Prerecorded Audio-only: An alternative for time-based media is provided that presents equivalent information for prerecorded audio-only content.
  • Prerecorded Video-only: Either an alternative for time-based media or an audio track is provided that presents equivalent information for prerecorded video-only content.

This success criterion requires that audio-only & video-only content are provided with alternative method of conveying information. A text transcript can be provided for audio track & text transcript or audio track can be provided for a video that doesn’t have an audio. Transcripts help all kind of users like blind, hard of hearing, deaf & deaf blind to perceive content & understand it easily.
An example of audio-only content is podcast. A video-only content is a video that is silent.

Points to Remember

  • Provide text transcripts for audio tracks.
  • Provide either text transcript or an audio track for a silent video.
  • If an audio is provided for video then text transcript is not required. (Exception)

References

Understanding Success Criterion 1.2.1

See Also

  • Guideline 1.2.2 – Captions (Pre-recorded)
  • Guideline 1.2.3 – Audio-description or Media Alternative (Pre-recorded)
  • Guideline 1.2.5 – Audio-description (Pre-recorded)

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Filed Under: WCAG

About Raghavendra Satish Peri

Raghavendra Satish Peri is a digital accessibility evangelist working at Deque Systems as Senior Accessibility Consultant breaking web accessibility & mobile accessibility challenges. He authors an Accessibility Blog & is galvanizing the adoption of accessibility by inspiring the local tech community with meetups and mentorship. He propelled this thought by founding HelloA11y, a community of accessibility professionals, developers and enthusiasts. When away from his computer, Raghava can be found at local cafes & restaurants sampling cuisines, attending local meetups, listening to audio books or writing on his Personal Blog. Raghavendra Satish Peri also helps small business & individuals with Digital Marketing Trainings & SEO consulting… He has been building websites & doing SEO Consulting for more than 14years.

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