Success criterion 1.2.4 · Level AA
Captions (Live)
“It's live for everyone else. For me it's a silent movie with a three-day wait for the subtitles.”
Success criterion 1.2.4 · Level AA
Captions (Live)
Captions are provided for all live audio content in synchronized media.
Principle 1: Perceivable · Guideline 1.2: Time-based Media
What each role can do
- Product manager
- Budget for live captioning, by a human captioner or a vetted automatic service, for every live event.
- Designer
- Design the live player with a visible captions toggle and space for captions that does not cover the speaker.
- Developer
- Integrate a real-time caption feed into the live stream and keep the delay as short as possible.
- Tester
- Join a live rehearsal and check caption accuracy, delay and the toggle on several devices.
Once it is fixed
“I laughed at the joke at the same moment as the room. That's what live means!”
Next criterion: 1.2.5 Audio Description (Pre-recorded)