Multimedia content (such as videos, audio recordings, and images) that is not accessible can create barriers to accessing and understanding the content for people with disabilities, such as visual or hearing impairments, cognitive disabilities, or mobility impairments.
By making multimedia accessible, you can help ensure that everyone, regardless of their abilities, can access and understand the information presented. Accessible multimedia also helps to promote inclusivity and diversity in the workplace, in education, and in society as a whole.

There are digital formats that are not intended for users to modify the content. There is a wide offer of such kinds of digital formats to implement graphic, audio, video and interactive documents. We focus here on book-like documents such as digital books, comics, class notes and handouts, etc. PDF, EPUB and Web are the most common digital formats in which learning materials of this kind are made available to students.

Accessible presentations benefit all participants, not just those with disabilities. For example, captioning a video presentation benefits not only people who are deaf or hard of hearing, but also people who are not fluent in the language being spoken, or people who are in a noisy environment. Taking accessibility into account when organizing presentations, events, and conferences is essential to ensuring that all participants have equal access to the information and resources being presented.

There are 6 different types of digital content that can be part of learning materials:

In digital distance education, some students may not be able to use all the material provided. Not only for the sake of inclusion but also for the educational effectiveness, we should deliver and create accessible educational material.

Inclusive online education goes beyond simply making educational materials accessible to all students. To provide a truly inclusive experience, it is important to understand and address the individual accessibility needs of each student.