Line 21 favicon Line 21 vs Live Captions favicon Live Captions

Line 21

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

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.

Line 21

Pricing

Usage Based

Live Captions

Pricing

Other

Line 21

Features

  • AI Proofreader: An innovative dynamic safeguard for caption accuracy.
  • AI Translations: Automatically translate captions in 100+ languages.
  • Caption Encoding: Use CEA-x08 to encode captions into video streams.
  • Fast Delivery: It takes ~144ms for captions to be delivered to viewers.
  • Multiple Destinations: Distribute captions to a wide range or destination, from YouTube, Facebook, Zoom and Team to custom RTMP, web link and overlay app.

Live Captions

Features

  • Quick Integration: Integrate live captions and interactive transcript into your service without any programming required for basic usage.
  • Real-Time Processing: Provides live captions/interactive transcript alongside RTMP streams in real-time.
  • Multi-Lingual Support: Offers support for close to 140 languages and dialects.
  • Automated Service: Automate your service using our programmatic Api.

Line 21

Use cases

  • Live broadcast captioning and translation
  • Captioning for corporate events and webinars
  • Providing accessibility for online meetings and conferences
  • International content distribution with multilingual captions
  • Real-time captioning for concerts and screenings

Live Captions

Use cases

  • Adding live captions to online meetings
  • Providing real-time transcripts for conferences
  • Generating captions for recorded media
  • Enhancing accessibility for video content
  • Integrating live captions into streaming services
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