Understanding Success Criterion 1.2.6: Sign Language (Prerecorded)

Understanding Success Criterion 1.2.6 Sign Language (Prerecorded)

Pre Recorded videos should provide the sign language interpretation to convey information of the audio content to people who are deaf or hard of hearing. People who communicate through sign language can understand the content faster and more accurately in sign language rather than the captions. 

Official Requirements

Success Criterion 1.2.6 Sign Language (Prerecorded) (Level AAA): Sign language interpretation is provided for all prerecorded audio content in synchronized media.

Why is it required?

People with hearing impairments require alternate means to understand the audio part of the video. For people who predominantly communicate through sign language, it naturally becomes their first language and written text becomes their second language. Furthermore, sign language also provides intonation, emotion, and other interpretations of text which may not be perfectly communicated through written text. 

How do we fix it?

  • Provide a sign language interpreter in your videos
  • Provide a synchronized video of the sign interpreter which can be displayed in a different viewport or can be overlaid on the image by the player

Mistakes to avoid

  • The sign interpretation is not synchronized with the audio
  • Choosing the media player that doesn’t support resizing of the interpreter portion of the video


Understanding Success Criterion 1.2.6: Sign Language (Prerecorded)

Picture of Aditya Bikkani

Aditya Bikkani

Aditya is the COO of AELData, a growing technology company in the Digital Publishing and Education sectors. He is also an entrepreneur and founder of an accessibility tool called LERA. A W3C COGA (Cognitive and Learning Disabilities Accessibility) Community Member Aditya contributes to researching methodologies to improve web accessibility and usability for people with cognitive and learning disabilities.

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