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MarComm ToolboxResources for the Campus Community


Provide closed captioning and audio description for pre-recorded video content.

Provide closed captioning for live video content.

Deaf or hearing impaired users use captions so spoken words or other audio from a video are accessible.

Blind or low vision users utilize audio descriptions to make spoken audio, on-screen text and other important visual information accessible.


Where all of the video information is already provided in existing audio, no additional audio description is necessary. 

Use YouTube to host videos. YouTube allows for closed captioning to be added to videos. 

Closed captions can be created manually or by working with an outside vendor.

Captions should be thoroughly reviewed to ensure accuracy, especially when generated automatically.  

Include links to audio descriptions and/or transcripts in the video's description on YouTube and next to your video on the page where it is embedded.

While not required at WCAG 2.0 Level AA, for optimal accessibility consider providing a transcript in addition to audio descriptions. Transcripts for video should include spoken audio, on-screen text and descriptions of important visual information.

Adding closed captioning to your video

How to add your own subtitles & closed captions to YouTube videos


The entities listed here are examples of vendors that provide the type of services necessary for video accessibility. These vendors have not been evaluated by the university and their inclusion here is not intended as an endorsement of their services.  

3Play Media – Audio description, captioning and other services

American Council of the Blind - List of Services for Producing Audio Description

Rev – Captioning and Transcription Service

Additional Resources

WebAIM Article on Captions, Transcripts and Audio Descriptions

WebAIM Article on Real-Time Captioning

WCAG Success Criterion 1.2.1 Prerecorded Audio-only and Video-only

WCAG Success Criterion 1.2.2 Captions (Prerecorded)

WCAG Success Criterion 1.2.4 Captions (Live)

WCAG Success Criterion 1.2.5 Audio Description (Prerecorded)