Video Captioning per UI Web Accessibility Policy

Q: Is captioning is required for all web-delivered video according to University of Iowa policy?
A: Yes. 

According to University Web Accessibility Policy (Policy IT-26):

"UI official web resources are to be designed and maintained in accordance with the standards defined in appendix A, UI Accessibility Standards and Resources.  (The initial standard is the World Wide Web Consortium Web Content Accessibility Guidelines 2.0, Level AA.)"  

See: https://itsecurity.uiowa.edu/webaccessibility

UI official web resources

From the same policy document:

"Official UI web resources include all web sites, web applications, and media delivered through the web used to conduct university business or academic activities."

This includes media hosted on University media servers, commercial media servers (e.g., YouTube, Vimeo), and resources provided by a third-party vendor (e.g., Khan Academy, Lynda.com).

Web Content Accessibility Guidelines 2.0, Level AA

Guideline 1.2: Time-Based Media

In Web Content Accessibility Guidelines 2.0, Level AA (WCAG 2.0) media accessibility is explicitly covered by "Guideline 1.2: Time-Based Media".  Captioning requirements are addressed in success criteria 1.2.2 (captioning for recorded media) and 1.2.4 (captioning for live media). Guideline 1.2 also covers requirements for audio description.

1.2.2 Captions (Prerecorded):

Captions are provided for all prerecorded audio content in synchronized media, except when the media is a media alternative for text and is clearly labeled as such. (Level A)

See: Captions (Pre-recorded): Understanding SC 1.2.2 from the World Wide Web Consortium Working Group.

1.2.4 Captions (Live):

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

See: Captions (Live): Understanding SC 1.2.4 from the World Wide Consortium Working Group.