Closed Video Captioning
Professional closed captioning solution powered by AI technology. Featuring frame-accurate synchronization, accessibility compliance, and comprehensive format support with 99.8% accuracy across 100+ languages.
Start Free Trial6,358,298
Hours Processed
100+
Languages Available
99.8%
Accuracy Rate
Advanced Captioning Features
Accessibility Compliance
Full compliance with accessibility standards including ADA, WCAG, and FCC requirements.
- ADA compliance
- WCAG 2.1 standards
- FCC requirements
- Screen reader support
- High contrast options
Perfect Synchronization
Frame-accurate caption timing with advanced audio analysis and visual sync tools.
- Frame-level accuracy
- Automated sync
- Visual timeline
- Waveform display
- Manual fine-tuning
Professional Formatting
Comprehensive caption formatting tools meeting broadcast standards.
- Multiple styles
- Position control
- Color options
- Font selection
- Effect support
Quality Assurance
Advanced QA tools ensuring perfect caption accuracy and compliance.
- Automated checks
- Reading speed
- Line length
- Format validation
- Error detection
Multi-language Support
Professional translation and localization for global accessibility.
- 100+ languages
- Cultural adaptation
- Regional compliance
- Dialect support
- Term consistency
Format Support
Comprehensive format support for all major platforms and standards.
- Broadcast formats
- Streaming platforms
- Web standards
- Mobile support
- Custom formats
Compliance Standards
Meeting all major accessibility and broadcast standards
Accessibility Standards
Full compliance with international accessibility requirements.
- ADA compliance
- WCAG 2.1 Level AAA
- Section 508
- EN 301 549
- AODA standards
Broadcast Standards
Professional broadcast caption requirements and specifications.
- CEA-608/708
- EBU standards
- SMPTE-TT
- Netflix standards
- BBC guidelines
Web Standards
Complete web accessibility and streaming platform support.
- WebVTT format
- TTML support
- HTML5 compliance
- ARIA integration
- Platform SDKs
Trusted by Industry Leaders
What Professionals Say
Sarah Chen
Accessibility Director
The compliance features and quality assurance tools ensure our content meets all accessibility requirements perfectly.
Michael Rodriguez
Broadcast Operations Manager
The broadcast-ready output and standards compliance make this platform essential for our operations.
Emma Thompson
Content Production Lead
The automated features and quality checks have significantly improved our caption production workflow.
David Kim
Technical Director
The format support and integration capabilities make it perfect for our complex broadcast requirements.
Sophie Laurent
Caption Editor
The visual editing tools and synchronization features make precise caption timing effortless.
James Wilson
Quality Control Manager
The comprehensive QA tools ensure our captions meet all regulatory requirements consistently.
Maria Garcia
Localization Director
The multi-language support and cultural adaptation features have streamlined our global operations.
Thomas Brown
Production Manager
Batch processing and automated workflows have significantly reduced our production time.
Anna Kowalski
Standards Compliance Lead
The platform's compliance tools ensure we meet all accessibility and broadcast standards.
Jean-Pierre Dubois
International Operations Director
The multi-language capabilities and regional compliance features are invaluable for global distribution.
Yuki Tanaka
Asian Market Director
The platform handles Asian languages and character sets perfectly, with excellent timing control.
Carlos Mendoza
Streaming Platform Manager
The integration with major streaming platforms and format support has simplified our distribution process.
Powered by Advanced AI Technology
Our platform leverages OpenAI's cutting-edge Whisper technology combined with proprietary neural networks to deliver unmatched accuracy in closed caption generation and processing.
Speech Recognition
Advanced neural networks trained specifically on broadcast content for superior accuracy and timing.
Smart Synchronization
AI-powered tools ensuring frame-accurate caption timing and placement.
Quality Intelligence
Machine learning systems that continuously improve caption quality and compliance.
Frequently Asked Questions
What caption formats do you support?
We support all major caption formats including CEA-608/708, WebVTT, TTML, and platform-specific formats for streaming services.
How do you ensure accessibility compliance?
Our platform includes comprehensive compliance tools for ADA, WCAG 2.1, and other international standards.
What about broadcast standards?
We support all major broadcast standards including CEA-608/708, EBU-TT, and SMPTE-TT.
How accurate is the timing?
Our system provides frame-accurate timing with visual waveform display for precise adjustments.
Can I process multiple files at once?
Yes, our platform supports batch processing for efficient handling of multiple video files.
What about translation quality?
Our AI-driven system achieves 99.8% accuracy across 100+ languages, with context awareness and cultural adaptation.
How do you handle quality control?
We provide comprehensive QA tools including automated checks, format validation, and reading speed verification.
What about streaming platforms?
We support all major streaming platforms with format-specific output and compliance validation.
Can I customize the captions?
Yes, we offer extensive customization options for fonts, colors, positions, and effects.
What technical support is available?
We provide 24/7 technical support, comprehensive documentation, and dedicated account management.
Transform Your Closed Captioning Today
Join leading broadcasters and content creators who trust our platform for professional closed captioning services.
Start Free Trial