The files to be remediated are analyzed to assess the complexity level, missing of any pages or files and for any unusual instances. The SME checks and creates Alt text.
The conversion team processes the accessible ePub 3.0 format by integrating the alt text adhering to the mandatory 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). The processed accessible ePub 3.0 gets validated using various validation tools like the latest ePub checker validation, CSS Validation, AMNET Generic validation tool, AMENT Accessibility validation tool, KindleGen validation, ACE checker, Color contrast validation in various stages of production process and in Quality audit. Also, the team has expertise in upgrading the existing ePub 2.0 formats to accessible ePub 3.0 format.
The accessible PDF format is processed adhering to the standards of WCAG 2.0, 2.1 and section 508 complaints 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 in built 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.