Line 21 Live Captions

Line 21 Live Captions provides real-time captioning for live and recorded content by combining professional human captioners with AI-driven speech recognition. Its primary purpose is to deliver accurate, readable captions for broadcasts, events, meetings, and online video, ensuring accessibility and compliance with captioning standards. The platform is designed for organizations that need dependable captions for audiences who are deaf or hard of hearing, as well as for situations where clarity and accuracy are critical.

The service supports live captioning for webinars, conferences, streaming events, and broadcast programming, as well as post-production captioning for recorded media. Human captioners work alongside AI to correct errors, handle technical terminology, and adapt to accents or challenging audio environments. Line 21 Live Captions can integrate with common streaming platforms and meeting tools, and can provide captions in standard formats suitable for television, web players, and editing workflows. The combination of human expertise and automation enables faster turnaround while maintaining high quality and consistency.