AI Services
An overview of the AI in Line 21's live captioning: speech recognition, AI translations, AI Context, the AI Proofreader, and the AI call agent for meetings.
For vendor retention, AI training commitments, EU data residency, and Zero Data Retention options, see Data handling & retention.
Line 21 uses over 12 different AI models in the live captioning process. These are powering 6 different services:
| Service | Status | Description |
|---|---|---|
| Speech Recognition (ASR) | Active | AI speech-to-text models that transcribe the audio to text in real-time. |
| AI Translations | Active | AI models that translate the text to different languages. |
| AI Context | Active | AI models that generate context for the AI Proofreader and ASR Engines. |
| AI Proofreader | Active | AI models that proofread the text and make corrections. |
| AI Call Agent | Active | AI bot that joins a video call and transcribes the audio in real-time. |
| AI Dubbing | Beta | A speech-to-speech model that dubs the speaker into other languages live. |
Supported languages
Every language Line 21 supports, with its human captioning, speech recognition, machine translation and AI dubbing coverage, to check one before your event.
AI Translations
Live machine translation of captions in Line 21: the translation engines, supported languages, switching engines per language, and custom dictionaries.