ITU-T T.701.11 PDF

This Recommendation gives guidance on how to create text alternatives and what information to put in text alternatives.

This Recommendation applies to all static images that are used in any type of electronic document. It also applies to individual images within a slide show.

This Recommendation does not apply to moving images (e.g., movies).

NOTE 1 – While text alternatives can be implemented via various mechanisms in various types of electronic documents, the contents of this Recommendation are not dependent on the choice of implementation mechanism or of electronic document type.

NOTE 2 – Guidance on making moving images accessible is contained in [b-ISO/IEC TS 20071-21], [b-ISO/IEC 20071-23] and [b-ISO/IEC 20071-25].

This Recommendation is a twin text with ISO/IEC 20071-11:2019 "Information technology – User interface component accessibility – Part 11: Guidance on text alternatives for images", prepared by ISO/IEC JTC1 SC35 "User interfaces".