The files to be remediated are analyzed to assess the complexity level, identify any missing pages or files, and check for any unusual instances. The SME checks and creates the alt text.
The file is converted to EPUB 3.0.
Alt text is integrated into the EPUB according to industry standards. The conversion team processes the accessible EPUB 3.0 format by integrating the alt text, adhering to industry standards (WCAG 2.0, 2.1 Level A, AA conformance, IDPF’s EPUB Accessibility 1.0, IDPF’s EPUB 3.1, Apple’s iBook store Asset Guide, Amazon Publishing Guide, and customer specifications). Once the alt text is added, the processed accessible EPUB 3.0 is validated with tools like the latest EPUB checker, CSS validation, AMNET’s generic validation tool, AMNET’s accessibility validation tool, KindleGen validator, ACE checker, color contrast validation.
The accessible PDF format is processed adhering to the standards of WCAG 2.0, 2.1 and Section 508 compliance by integrating the Alt text. The accessible PDF is processed using Adobe Acrobat Pro DC using auto-tagging, changing the tag order manually and ensuring logical reading structure. The accessible PDF gets validated using in-built Adobe Acrobat accessibility checker and PDF accessibility checker (PAC).
The processed and converted accessible MS-Word and PowerPoint are validated using inbuilt accessibility checker in MS-Office.
End user/Assistive Technology testing (AT testing) – All the converted accessible ePub 3.0, PDF, MS-Word and PowerPoint passes through end user testing by visually impaired people using various assistive technologies like NVDA and JAWS in Windows and VitalSource Bookshelf through voice over in iOS to ensure logical verbalization of the content, web links, table structure, cross-references and images with alternative text descriptions.