Accessibility Wiki

Remove deprecated annotation types

PDF/UA check ANNOT_DEPRECATED_TYPE · Annotations · severity High · PDF/UA 8.9.1 General

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Why it matters

These annotation types were removed from PDF 2.0 because they lack accessibility support. Their presence indicates the document uses outdated, inaccessible multimedia techniques.

What you will see

The document contains Sound, Movie or TrapNetwork annotations, all removed in PDF 2.0.

How to fix

Remove Sound, Movie, and TrapNet annotations from the document. Re-add audio or video using a Screen or RichMedia annotation with a Contents description; trap networks have no replacement and must simply be deleted.

Step-by-step guide

  1. Use the subtype and page details in the EQChecker report to locate each Sound, Movie, or TrapNet annotation.
  2. Try deleting the media rectangle directly in Acrobat Pro: select it with the Select Object tool (available in the form editing and rich media tool groups) and press Delete.
  3. If Acrobat cannot select the legacy annotation, re-export the document from the source file without the legacy media.
  4. Where the audio or video is still needed, re-add it with Acrobat's rich media tools (classic Tools > Rich Media > Add Video / Add Sound), which create RichMedia annotations based on the PDF 2.0 multimedia features.
  5. Give each replacement annotation a Contents description (see MULTIMEDIA_ALT_DESCRIPTION) and confirm its media clip data carries CT and Alt entries (MEDIA_CLIP_CT, MEDIA_CLIP_ALT).
  6. TrapNet annotations have no replacement (8.9.2.4.15): delete them, and regenerate trapping in the prepress workflow if it is still needed for print production.

Verify: Re-run the EQChecker scan; ANNOT_DEPRECATED_TYPE should report zero errors.

Note: Sound and Movie are prohibited under PDF/UA-2 (8.9.2.4.11, deprecated in PDF 2.0); a PDF/UA-1 profile prohibits only TrapNet, and EQChecker applies the matching subtype set for the selected standard. Their functions were replaced by the multimedia features of ISO 32000-2 Clause 13.

WCAG success criteria

No WCAG success criterion maps cleanly to this check — it is a PDF/UA structural requirement. The PDF/UA clause above is the normative reference.

Standards

This check contributes to the following standards:

PDF/UA

Standard Criteria
PDF/UA-2 (ISO 14289-2:2024) 8.9.1 General