Line 21 LogoLine 21 LogoDocs
  • Documentation
  • Blog
  • Contact
  • Website

    Line 21 Knowledge Center

    Documentation and insights for accessible live events.

    Product guides, workflows, and best practices for building reliable real‑time captions and translations with Line 21.

    Docs

    Setup, platform concepts, and how to use Line 21 day to day.

    Blog

    Updates, learnings, and opinions from the accessibility world.

    Latest posts

    View all
    Aug 18, 2026 · Victoria Hart
    Line 21 vs Verbit: Which Live Captioning Platform Is Right for Your AV Team?
    Comparing Line 21 and Verbit for live captioning? This guide breaks down pricing, CEA 608/708 support, RTMP delivery, human CART integration, ASR engine flexibility, and virtual encoder capability to help AV teams choose the right platform for their productions.
    Read
    Aug 17, 2026 · Victoria Hart
    5 Tools for Live Captioning at Awards Ceremonies
    Planning live captioning for an awards ceremony? Here are five tools AV and production teams rely on for accuracy, resilience, and compliance across in-room and broadcast delivery.
    Read
    Aug 14, 2026 · Victoria Hart
    5 Tools for Live Translation on Zoom Webinars in 2026
    Comparing the top live translation tools for Zoom webinars in 2026. From AI-powered caption engines to professional human interpretation, here is what AV teams and event producers need to know before their next multilingual session.
    Read