DRM-Locked Player That Blocks Captions From Displaying

1.2.2 — Captions (Prerecorded)

Scenario

A survey tool's question builder

DRM/player configuration that blocks user caption rendering entirely.

<video src="demo.mp4"></video>

Deaf and hard-of-hearing viewers, and anyone watching video without sound.

Try turning captions on in the player: if DRM or player settings prevent the caption control from working at all, it fails.

Synchronized captions must be provided covering all dialogue, speaker identification, and important sounds.

<video src="demo.mp4">

  <track kind="captions" src="captions-en.vtt" srclang="en" label="English">

</video>

A <track> element with kind="captions" surfaces synchronized text for dialogue and important sounds.

On a survey tool's question builder, this barrier is gone for deaf and hard-of-hearing viewers — they get the same result as anyone else here.

Deaf and hard-of-hearing viewers, and anyone watching video without sound.