1.2.4
Captions (Live)

Provide Captions for Live Audio Content

Ensure that all live audio content in videos includes captions so that people who are deaf or hard of hearing can follow along in real time.

Acceptance Criteria

Live Captions: Provide real-time captions for all live audio content in synchronized media.

Scope: Captions should be available for all live audio broadcasts, including webcasts and live streams.

Examples

Good: A live news broadcast includes captions that display the spoken dialogue and important sounds in real time.

Bad: A live webinar that lacks captions, making it difficult for viewers who are deaf or hard of hearing to understand the content.

Exceptions

Tips

• Use reliable captioning services or tools to ensure accuracy and timeliness.

• Ensure captions are synchronized with the audio and reflect the spoken content accurately.

• Provide a way for users to request captions if they are not automatically available.

How to test?

1. Live Check: Monitor a live broadcast or stream to ensure that captions appear in real time and are synchronized with the audio.

2. Accuracy Check: Verify that captions accurately reflect spoken content and important sounds.

3. Accessibility Check: Confirm that captions are visible and legible on different devices and screen sizes.