• 39th CSUN Assistive Technology Conference - March 18-22, 2024 at the Anaheim Marriott

    The Premier AT Conference

39th Annual CSUN Assistive Technology Conference Has Concluded

CADET: Free Captioning and Description Tool

Date & Time
Thursday, March 21, 2024 - 11:20 AM PDT  
Orange County 1-2  
Millions of deaf and hard of hearing people cannot access uncaptioned or poorly captioned online videos. Federal regulations and related litigation will continue to dramatically increase the number of online videos that require high-quality captions. While many organizations are working to make their videos accessible, some lack the budget to hire a professional captioning company. Notably, there is no substitute for human-edited captions. Automated speech-to-text captions are not reliable. Though auto-captions have improved in recent years and are acceptable if live captioning cannot be arranged, they are still plagued by spelling errors, missing punctuation, and poor formatting that hinders readability. CADET is a powerful, free, simple tool designed by media access professionals who understand the captioning process. It offers basic features so new users can quickly begin captioning videos and advanced features for experienced caption editors. Additionally, CADET is accessible to users with disabilities. Writers can use CADET's description script features to time out the spaces for inserting descriptions and to estimate how many words will fit the allotted time. The presentation will discuss common workflows for captioning with online or offline video and include a demonstration of CADET.  
  • Higher Education
  • K-12 Education
  • Government
  • Marketing
  • Administration & Business Support
Audience Level
Session Summary (Abstract)
CADET is a powerful, easy-to-use tool designed by media access pros. Use basic and advanced features to caption videos, with or without a transcript. Edit raw auto-captions for the best user experience. Write description scripts, too.  
Primary Topic
Captions & Transcription  
Secondary Topics
  • Blind/Low Vision
  • Deaf and Hard of Hearing
  • Digital Accessibility
  • Video & Live Streaming
Session Type
General Track  


  • Madeleine Rothberg
    National Center for Accessible Media at GBH
  • Beth Decker
    National Center for Accessible Media at GBH
  • Bryan Gould
    National Center for Accessible Media at GBH

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