How AutoCC Works
Discover the technology and processes behind our powerful subtitle creation tools. From simple text conversion to advanced AI transcription.
Text to SRT Converter
Transform plain text into professionally formatted subtitle files
Input Your Text
Type directly or upload a .txt file (up to 1MB)
Configure Settings
Adjust words per subtitle, timing, and gaps
Generate & Download
Instant conversion with download or copy options
AI Video/Audio Converter
AI-powered speech recognition for automatic subtitle generation
Upload Media File
Video or audio files up to 50MB, 2 hours duration
AI Processing
Advanced speech recognition with word-level timing
Download Subtitles
Professional SRT file with precise synchronization
Detailed Process Flow
Text to SRT Conversion Process
Text Input
Text is processed entirely in your browser using JavaScript. No data leaves your device.
Smart Parsing
Advanced algorithms split text into optimal chunks based on sentence structure and readability.
Timing Calculation
Precise timing based on reading speed research, cognitive load studies, and accessibility standards.
SRT Generation
Professional SRT format with proper numbering, timing, and formatting for universal compatibility.
AI Transcription Process
File Upload
Secure upload with validation for format, size, and duration limits.
Audio Extraction
FFmpeg extracts and optimizes audio for speech recognition (16kHz, mono).
AI Transcription
AssemblyAI's advanced models provide word-level timestamps with 95%+ accuracy.
Subtitle Formatting
Intelligent grouping and timing optimization for optimal readability.
Secure Delivery
Professional SRT file delivered securely, original files automatically deleted.
Technology & Standards
Frontend Technology
- • Next.js 15 with App Router for optimal performance
- • TypeScript for type safety and reliability
- • Tailwind CSS for responsive design
- • Client-side processing for privacy
- • Progressive Web App capabilities
AI & Processing
- • AssemblyAI for speech recognition
- • FFmpeg for audio/video processing
- • Advanced timing algorithms
- • Multi-language support
- • Word-level timestamp accuracy
Standards Compliance
- • WCAG 2.1 AA accessibility standards
- • ADA and Section 508 compliance
- • SRT format specification adherence
- • Industry timing best practices
- • Enterprise security standards
Quality Assurance & Accuracy
Text Converter Quality
- • Intelligent sentence boundary detection
- • Optimal reading speed calculations (200-250 WPM)
- • Accessibility-compliant timing (1.5-6 seconds)
- • Proper subtitle formatting and numbering
- • Real-time preview and validation
AI Transcription Quality
- • 95%+ accuracy on clear audio
- • Word-level timestamp precision (±100ms)
- • Multi-accent and language support
- • Noise reduction and audio optimization
- • Continuous model improvements
Ready to Experience AutoCC?
Choose the tool that best fits your subtitle creation needs and start creating professional SRT files today.