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analyze video for flash patterns · PSE · WCAG 2.3.1 · broadcast compliance

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  • Harding PSE Test: >3 flashes/second covering >25% of screen area = fail.
  • WCAG 2.3.1: No more than 3 flashes below general and red flash thresholds in any 1-second period.
  • UK Ofcom / BBC guidelines: Maximum 3Hz flash rate for luminance transitions.
  • This tool performs a simplified heuristic analysis. For broadcast compliance, use certified tools like Harding Flash & Pattern Analyzer.
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