WCAG 2.1 - SC 1.2.4 Captions (Live)

Provide captioning for live audio content. Captions should include both dialogue and important sounds, embedded as text in the video track.

Official Requirements:

1.2.4 Captions (Live): Captions are provided for all live audio content in synchronized media. (Level AA)

How to fix:

Provide captioning for live audio content. Captions should include both dialogue and important sounds, embedded as text in the video track.