Understanding Success Criterion 1.2.9 Audio-only (Live)

Understanding Success Criterion 1.2.9 Audio-only (Live)

A text alternative should be provided for live audio, such as video conferencing, live speeches, and radio Webcasts to make it accessible to people with hearing impairments. 

Official Requirements

 1.2.9 Audio-only (Live): An alternative for time-based media that presents equivalent information for live audio-only content is provided. (Level AAA)

Why is it required?

Alternatives for live audio help to convey information to people with hearing impairments as they use Assistive Technology to access the audio. 

For example:

A CEO is to give a press release over the telephone in response to the breaking news story regarding their company. However, due to lack of time, instant delivery of live captions is not possible. As a press release is a statement prepared by the company executives, the company can simultaneously release the transcript. 

How do we fix it?

  • Provide a transcript if the live audio is following a script or a prepared statement
  • Providing live captions via a trained human operator who listens to the audio and enters text with a small delay

Reference

Understanding Success Criterion 1.2.9 Audio-only (Live)

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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