Add captions to your videos to engage all learners. Captioning videos creates accessible content for individuals who are deaf or hearing impaired. Captions can also help students who have cognitive challenges who consume the video content. The uses for captions are limitless.
The Linscheid Library has a libguide on accessibility that you can find here: https://ecok.libguides.com/accessibility/
It is regularly updated by the librarians, and contains a lot of great information on making your classroom and course shells accessible.