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Best Practice 1.12 – Provide alternatives for audio-only information (Advanced level)


Make prerecorded audio accessible by providing alternatives that present essentially the same information to people who cannot access the original piece. For example, persons with hearing impairment cannot hear audio and need a way to get the same information.

 

Before Rectification
A sample mobile application page playing an audio.
The above example provides an audio function alone which is not accessible to persons with hearing impairment.
After Rectification
A sample mobile application page playing an audio with transcript added.
In addition to the audio function, a transcript of this audio is also provided to allow persons with hearing impairment to read the audio contents.

 

W3C WCAG Reference: 1.2.3 Audio Description or Media Alternative (Prerecorded)