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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 CaptioningStar?

Open captions are a continuous text representation of spoken words and significant sound effects that appear directly on the screen, as they are embedded within the video content. Unlike closed captions, which viewers can choose to enable or disable, open captions are a permanent aspect of the visual presentation. At CaptioningStar, we focus on providing open captions that comply with FCC, CVAA, and ADA regulations for an array of video genres. Our committed team of proficient captioners and experienced translators is dedicated to improving your videos through accurate captioning services. The placement of these captions, either at the top or bottom of the display, is designed to avoid obstructing crucial visual details while allowing for seamless transitions between text. With meticulous timing, the captions correspond perfectly with each frame of the video. This format is especially advantageous for those who are hard of hearing, as it ensures they receive clear information without needing to adjust any settings. To maintain clarity and readability, it is advisable to keep the text limited to one to three lines for around 3 to 6 seconds before moving on to the next caption. This careful strategy not only aids in viewer comprehension but also keeps the audience engaged without the distraction of overwhelming text. Ultimately, the use of thoughtfully crafted open captions enhances the overall viewing experience for everyone.

Media

Media

Integrations Supported

Deepgram
Facebook
Microsoft Teams
OpenAI
Twitch
Videolinq
YouTube
Zoom

Integrations Supported

Deepgram
Facebook
Microsoft Teams
OpenAI
Twitch
Videolinq
YouTube
Zoom

API Availability

Has API

API Availability

Has API

Pricing Information

$0.09/min
Free Trial Offered?
Free Version

Pricing Information

$1 per transcription
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

CaptioningStar

Date Founded

2006

Company Location

United States

Company Website

www.captioningstar.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

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