Line 21 is providing state-of-the-art technology to enable you to create, enhance and distribute the best possible live captions for your events. We do this by blending Ai and traditional features and services.
Human Live Captions
Our verbatim captioners are accredited professionals, highly skilled in using specialised software to transcribe speech in real time.
Speech Recognition
Advanced real-time speech-to-text conversion tool, using multiple AI speech recognition engines to support over 100 languages. Each engine is tailored with its unique glossary, enhancing accuracy and context understanding.
Ai Proofreader
Precision Meets Efficiency. Line 21's AI Proofreader guards against goofs - accurate and efficient, revolutionising the way captions are refined. Harness the power of AI to polish every line of text, ensuring quality accessibility, avoiding brand embarrassment, and that your audience only laughs at captions that are meant to have a punchline.
RTMP Caption Encoding
We can encode captions into RTMP straming using 608 / 708 protocols.
Translations
AI-powered translation in over 100 languages. Fast, scalable, and accurate.
Playback
Caption playback and playlists help venues support a mix of pre-recorded and live captions.
HLS Streaming
HLS Streaming is a protocol that allows for the streaming of captions to a wide range of devices. Supports multi-language closed captions.
Support
We offer top event support. Before and during-event support.
Post Production
Download your caption assets in a variety of formats for further editing and distribution.
Integrations
We integrate with a wide range of platforms to ensure that you can use our captions with ease.