Line 21 is a state-of-the-art caption delivery software that creates, enhances, translates, and delivers live captions to clients. It combines human expertise with AI services for optimal results.

The platform supports captioning in over 100 languages, working with a global network of captioners and agencies. Line 21 offers features like an AI proofreader, automatic translation, and low-latency delivery to multiple destinations, including browser links, subtitle overlays, video encoding, and API integration.

Live Captions offers an AI-based system for generating live captions and interactive transcripts. This service enhances accessibility for meetings and conferences by providing real-time captions alongside RTMP streams, such as those from WOWZA.

The platform supports a wide range of languages, close to 140 languages and dialects, including English, German, French, and Spanish. It's designed for easy integration into your existing services and requires no programming for basic usage. Live Captions also supports generating captions for recorded media.