✨ LCT (LiveCaptions Translator) = Windows Live Captions + Local AI Translation ✨
A professional real-time speech translation solution that combines Windows' built-in Live Captions with local AI models via Ollama for private, secure, and efficient translation. Developed by Ai-All-You-Need-Platform Pte. Ltd.
🚀 Quick Start: Download from releases and launch instantly!
🔒 Privacy First: All translation happens locally on your device - no data leaves your machine.
- Automatically invokes Windows Live Captions without opening a separate window
- Provides unified experience for real-time audio/speech translation
- Live Captions are hidden by default after first use (configurable in settings)
- Enable Include microphone audio in Windows Live Captions settings for real-time speech translation
- Ollama Engine: Exclusive use of local AI models for translation
- Privacy Focused: All processing happens on your device
- Multiple Models: Support for various language models (qwen2.5:3b default)
- Intel IPEX-LLM: Optimized for Intel hardware acceleration
- No Internet Required: Works completely offline after initial setup
- Clean Fluent UI that matches modern Windows aesthetics
- Automatic light/dark theme switching based on system settings
- Professional branding and user experience
- Multiple viewing modes: standard and compact overlay
- Borderless, transparent floating window for immersive experience
- Perfect for gaming, videos, and live streaming
- Fully customizable appearance: background, text color, font size, transparency
- Can be embedded seamlessly into screen without interfering with other operations
- Adjustable sentence count display
- Window always-on-top functionality
- Convenient translation pause/resume
- One-click text copying for quick sharing
- Comprehensive settings for Ollama configuration
- Records both original and translated text
- Perfect for meetings, lectures, and important discussions
- Export all records to CSV format
- Search and filter capabilities
- Recent transcription records displayed as log cards
- Helps maintain context during conversations
- Configurable card count in settings
| Requirement | Details |
|---|---|
| Windows | Windows 11 (22H2+) with Live Captions support |
| .NET | .NET 8.0+ Runtime (included in installer) |
| Hardware | Intel CPU recommended for IPEX-LLM optimization |
| Memory | 8GB+ RAM for optimal AI model performance |
| Storage | 2GB+ free space for application and models |
⚠️ Important: This tool is based on Windows Live Captions, available since Windows 11 22H2.
⚠️ IMPORTANT: Complete the following setup before running LCT for the first time.For more details, see Microsoft's guide: Using live captions to better understand audio
Ensure Live Captions is available on your system through any of these methods:
- Toggle Live captions in the Quick Settings panel
- Use the keyboard shortcut Win + Ctrl + L
- Navigate to Quick Settings > Accessibility > Live captions
- Access from Start > All apps > Accessibility > Live captions
- Go to Settings > Accessibility > Captions and toggle on Live captions
When you first launch Windows Live Captions, it will:
- Request permission to process voice data locally on your device
- Prompt you to download the necessary language files for on-device speech recognition
After the initial setup, configure the following settings:
- Click the ⚙️ gear icon in Live Captions to open settings
- In Change language, select your source language (the language to be recognized)
- Under Position, select Overlaid on screen
⚠️ Critical: The position setting is required to prevent display issues when Live Captions runs in the background.
To enable real-time translation of your own speech through the microphone:
- In Live Captions, click the ⚙️ gear icon
- Go to Preferences
- Check Include microphone audio
This allows LCT to capture and translate both system audio and your microphone input simultaneously.
After completing the configuration, close Windows Live Captions and start LiveCaptions Translator! 🎉
The application will automatically:
- Download and install Ollama if not present
- Pull the default translation model (qwen2.5:3b)
- Configure optimal settings for your hardware
Customize the following options in the Settings view:
- LiveCaptions: Show/hide original caption text in Home view
- Log Cards: Number of recent translation cards displayed
- Overlay Sentences: Number of sentences shown in overlay mode
- Show Latency: Display translation processing time
- API Endpoint: Local Ollama server URL (default: http://localhost:11434)
- Model Name: AI model for translation (default: qwen2.5:3b)
- System Prompt: Custom instructions for translation behavior
- Temperature: Control translation creativity/consistency
- Max Tokens: Maximum response length
- API Interval: Delay between translation requests (balance speed vs. resource usage)
- Target Language: Destination language for translations
- Model Loading: Automatic model management and optimization
- Translation Engine: Exclusive Ollama integration with Intel IPEX-LLM
- UI Framework: WPF with Fluent UI components
- Data Layer: SQLite for history storage
- System Integration: Windows Live Captions automation
- Model Management: Automatic download and optimization
- Version: 1.0.1 (Build 279)
- Target Framework: .NET 8.0-windows
- Runtime: Self-contained win-x64
- Installer Size: ~97MB
- Configuration: Release with ReadyToRun optimization
✅ Complete Local Processing: All translation happens on your device
✅ No Internet Required: Works offline after initial setup
✅ No Data Collection: Your conversations never leave your machine
✅ Secure by Design: No external API calls or cloud dependencies
✅ Enterprise Ready: Suitable for confidential business communications
Ai-All-You-Need-Platform Pte. Ltd.
Official Website: https://aiallyouneed.dev
- Model Download Fails: Check internet connection during initial setup
- Performance Issues: Ensure adequate RAM and close unnecessary applications
- Live Captions Not Working: Verify Windows version and accessibility settings
- Translation Delays: Adjust API interval in settings for better performance
- Check logs in application data folder
- Verify Ollama service status in Task Manager
- Ensure Windows Live Captions is properly configured
- Visit our official website for documentation and support
- Built with .NET 8.0 and WPF-UI framework
- Uses Intel IPEX-LLM for hardware acceleration
- Supports ARM64 architecture for future compatibility
- Implements SQLite for efficient local data storage
- Features automatic error recovery and model management
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