30 checks in Multimodal Content & Media. Automated Its subsection has a live automated checker in the engine.
| ID | Check | Passes when |
|---|---|---|
| 8.3.01 | Validate transcript exists for every video | Present |
| 8.3.02 | Validate transcript includes full spoken content | Complete |
| 8.3.03 | Validate transcript matches audio accurately | Accurate |
| 8.3.04 | Validate timestamps or cues (if provided) are correct | Correct |
| 8.3.05 | Validate transcript includes speaker identification when needed | Identified |
| 8.3.06 | Detect missing sections, dropped phrases or summarization | None |
| 8.3.07 | Validate transcript includes relevant contextual text | Included |
| 8.3.08 | Detect transcription artifacts (nonsense text, AI errors) | None |
| 8.3.09 | Validate transcript formatting readable | Readable |
| 8.3.10 | Validate transcript accessible to both humans and AI | Accessible |
| ID | Check | Passes when |
|---|---|---|
| 8.3.11 | Validate transcript clearly expresses main ideas | Clear |
| 8.3.12 | Validate transcripts improve AI multimodal comprehension | Improved |
| 8.3.13 | Validate transcript entities align with video subject matter | Aligned |
| 8.3.14 | Detect ambiguous phrasing hindering NLP interpretation | None |
| 8.3.15 | Validate transcript includes key terms relevant to topic | Present |
| 8.3.16 | Validate transcripts enable vector embedding consistency | Consistent |
| 8.3.17 | Validate transcript aligns with page text for topic reinforcement | Reinforcing |
| 8.3.18 | Detect hallucination-risk text in auto-generated transcripts | None |
| 8.3.19 | Validate transcript supports schema (VideoObject) metadata | Supportive |
| 8.3.20 | Compute Transcript NLP/AI Interpretability Score | Finalized |
| ID | Check | Passes when |
|---|---|---|
| 8.3.21 | Validate transcripts meet accessibility requirements (WCAG) | Compliant |
| 8.3.22 | Validate caption files (SRT/VTT) available when required | Available |
| 8.3.23 | Validate transcript formatting supports screen readers | Supportive |
| 8.3.24 | Validate transcript language matches video | Matching |
| 8.3.25 | Detect accessibility blockers (images in transcripts, etc.) | None |
| 8.3.26 | Validate transcripts for multi-language videos | Present |
| 8.3.27 | Validate transcripts for user-uploaded video content | Present |
| 8.3.28 | Validate transcripts support AI accessibility tools | Supportive |
| 8.3.29 | Validate transcripts available even behind interactive elements | Accessible |
| 8.3.30 | Compute Full Transcript Accessibility Score | Finalized |
← 8.2 Image Topic Alignment & AI Multimodal Relevance8.4 Audio Transcript Availability & Multimodal Accessibility →
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See plansMachine-readable: catalog totals and the full catalog as JSON (IDs, section, weight, status).