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What is Line 21?

Line 21 provides AI-driven live subtitles and captions to guarantee smooth accessibility for digital content, streaming services, and live events. By employing a hybrid model that merges AI automation with human skill, we produce highly accurate subtitles that cater to specific industry jargon, various accents, and niche references. Additionally, our AI Proofreader improves real-time captions, minimizing mistakes and enriching live experiences for audiences. Our offering is tailored for event organizers and broadcasters who need top-notch, scalable captioning solutions. While ASR technologies can often be both inaccurate and prohibitively expensive, traditional human captioning methods tend to be costly and lack scalability. Line 21 effectively closes this gap by delivering real-time AI-enhanced subtitles that effortlessly fit into event technology and streaming workflows, ensuring a more cohesive experience for all participants. By prioritizing both precision and adaptability, we empower content creators to reach wider audiences with confidence.

What is CaptionHub?

The combination of cutting-edge AI text-to-speech technology and our exclusive Natural Captions engine enables the rapid production of perfectly formatted captions that closely resemble those created by skilled human subtitlers, accomplishing tasks in seconds instead of days. Our automated transcription service generates near-flawless text, allowing you to refine it directly through your browser, while intelligent notifications and validated workflows facilitate effortless collaboration with your team or external agencies when needed. Enjoy the benefits of impeccable subtitles delivered at lightning speed. Additionally, our machine translation feature can instantly convert subtitles into 103 different languages with a single click. You also have the option to enlist professional linguists to enhance these translations and manage video splitting for teamwork. If you don’t have access to your own linguists, we can connect you with reliable translation partners to assist you. Say farewell to the cumbersome process of manual downloads and uploads for videos and subtitle files, as you can now directly publish your subtitles from CaptionHub with just one click, thanks to our secure integrations with various video platforms that streamline the entire process. This fully automated system not only saves valuable time but also guarantees a seamless workflow for all your captioning requirements, making it easier than ever to meet your content needs. Ultimately, this innovation empowers you to focus more on creativity rather than the logistical challenges of subtitle management.

Media

Media

Integrations Supported

Deepgram
Facebook
Microsoft Teams
OpenAI
Phrase Localization Platform
Twitch
Videolinq
YouTube
Zoom

Integrations Supported

Deepgram
Facebook
Microsoft Teams
OpenAI
Phrase Localization Platform
Twitch
Videolinq
YouTube
Zoom

API Availability

Has API

API Availability

Has API

Pricing Information

$0.09/min
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Line 21

Date Founded

2023

Company Location

United Kingdom

Company Website

line-21.com

Company Facts

Organization Name

Neon Creative Technology

Date Founded

2015

Company Location

United Kingdom

Company Website

captionhub.com

Categories and Features

Speech Recognition

Audio Capture
Automatic Form Fill
Automatic Transcription
Call Analysis
Concatenated Speech
Continuous Speech
Customizable Macros
Multi-Languages
Specialty Vocabularies
Speech-to-Text Analysis
Variable Frequency
Voice Recognition

Categories and Features

Text to Speech

API
Adjust Speaking Rate / Pitch
Audio Optimization
Custom Lexicons
Different Voice Choices
Multi-Language Support
Synchronize Speech

Transcription

AI / Machine Learning
Annotations
Audio/Video File Upload
Automatic Transcription
Collaboration Tools
File Sharing
For Manual Transcription
Full Text Search
Multi-Language Support
Natural Language Processing (NLP)
Playback Controls
Speech Recognition
Subtitles
Text Editor
Timecoding

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