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voculinux/README.md
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Jatin K MalikandGitHub 7a6d0d4e2b feat: flexible Whisper installation options for different system configurations (#63)
* fix: VOSK-only install and CLI arg handling for low-memory systems

Fixes several issues reported by users on low-memory systems (8GB RAM):

1. Install script: Don't auto-install Whisper in non-interactive mode
   - Previously, running 'curl | bash' would install Whisper by default
   - Now requires explicit --with-whisper flag to install Whisper
   - Prevents OOM errors on systems with limited RAM

2. CLI arguments: Command-line flags now properly override saved config
   - --engine vosk now works even if config file has whisper set
   - --model flag also properly overrides saved model setting
   - Checks sys.argv to detect if user explicitly provided arguments

3. Default engine: Changed from 'whisper' to 'vosk'
   - VOSK works on low-memory systems without OOM issues
   - Users can still install and use Whisper with --with-whisper flag
   - Existing configs with 'whisper' engine are still respected

Reported issues:
- OOM during installation on 8GB RAM system
- vocalinux --engine vosk being ignored
- Config file not respected when trying to force VOSK

* fix: keep whisper as default engine, improve test robustness

- Reverted default engine back to 'whisper' for better accuracy
- Install script still defaults to VOSK-only install (--with-whisper for Whisper)
- CLI args still properly override saved config
- Improved test_config_manager tests to handle module caching issues

* fix: default to Whisper install, --no-whisper for VOSK-only on low-RAM systems

Updated install behavior:
- Default (curl|bash): Installs Whisper for best experience
- --no-whisper flag: Skips Whisper AND creates config with VOSK as default engine

This allows low-RAM users (8GB) to run:
  curl -fsSL .../install.sh | bash -s -- --no-whisper

Which will:
1. Skip installing torch/whisper (avoids OOM)
2. Create ~/.config/vocalinux/config.json with engine='vosk'
3. App will use VOSK by default without needing CLI flags

* docs: clarify --no-whisper is for low-RAM systems (8GB or less)

Updated README and website to explain that --no-whisper flag:
- Is intended for systems with 8GB RAM or less
- Avoids out-of-memory errors during installation
- Configures VOSK as the default speech recognition engine

* feat: add --whisper-cpu flag for CPU-only PyTorch installation

New installation option for users without NVIDIA GPU or with limited RAM:

Install script changes:
- Added --whisper-cpu flag: Installs CPU-only PyTorch (~200MB vs ~2.3GB)
- Uses https://download.pytorch.org/whl/cpu index for smaller torch package
- Interactive mode now offers 3 options: GPU, CPU-only, or skip Whisper
- Updated help text to explain all Whisper installation options

Documentation updates:
- README: Added --whisper-cpu example with explanation
- Website: Added new 'Whisper CPU-only' install option section

Installation options summary:
- Default (curl|bash): Whisper + GPU/CUDA support (~2.3GB, 5-10 min)
- --whisper-cpu: Whisper + CPU-only PyTorch (~200MB, 3-4 min)
- --no-whisper: VOSK only, no Whisper (~2-3 min)
2026-01-20 19:19:09 -08:00

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Markdown

# <img src="https://github.com/user-attachments/assets/56dabe5c-5c65-44d5-a36a-429c9fea0719" width="30" height="30"> Vocalinux
#### Voice-to-text for Linux, finally done right!
<!-- Project Status -->
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![Vocalinux Users](https://github.com/user-attachments/assets/e3d8dd16-3d4f-408c-b899-93d85e98b107)
**A seamless free open-source private voice dictation system for Linux**, comparable to the built-in solutions on macOS and Windows.
> 🎉 **Alpha Release!**
>
> We're excited to share Vocalinux with the community.
> Try it out and [let us know what you think](https://github.com/jatinkrmalik/vocalinux/issues)!
---
## ✨ Features
- 🎤 **Double-tap Ctrl** to start/stop voice dictation
- ⚡ **Real-time transcription** with minimal latency
- 🌎 **Universal compatibility** across all Linux applications
- 🔒 **Offline operation** for privacy and reliability (with VOSK)
- 🤖 **Optional Whisper AI** support for enhanced accuracy
- 🎨 **System tray integration** with visual status indicators
- 🔊 **Audio feedback** for recording status
- ⚙️ **Graphical settings** dialog for easy configuration
## 🚀 Quick Install
### One-liner Installation (Recommended)
```bash
curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/install.sh | bash
```
This will:
- Clone the repository to `~/.local/share/vocalinux-install`
- Install all system dependencies
- Set up a virtual environment in `~/.local/share/vocalinux/venv`
- Install **both VOSK and Whisper AI** speech engines
- Create a symlink at `~/.local/bin/vocalinux`
- Download the default **Whisper tiny** speech model (~75MB)
> ⏱️ **Note**: Installation takes ~5-10 minutes due to Whisper AI dependencies (PyTorch with CUDA support, ~2.3GB).
**Whisper with CPU-only PyTorch (no NVIDIA GPU needed):**
```bash
curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/install.sh | bash -s -- --whisper-cpu
```
This installs Whisper with CPU-only PyTorch (~200MB instead of ~2.3GB). Works great for systems without NVIDIA GPU.
**For low-RAM systems (8GB or less) - VOSK only:**
```bash
curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/install.sh | bash -s -- --no-whisper
```
This skips Whisper installation entirely and configures VOSK as the default engine.
### Alternative: Install from Source
```bash
# Clone the repository
git clone https://github.com/jatinkrmalik/vocalinux.git
cd vocalinux
# Run the installer (will prompt for Whisper)
./install.sh
# Or with Whisper support
./install.sh --with-whisper
```
The installer handles everything: system dependencies, Python environment, speech models, and desktop integration.
### After Installation
```bash
# If ~/.local/bin is in your PATH (recommended):
vocalinux
# Or activate the virtual environment first:
source ~/.local/bin/activate-vocalinux.sh
vocalinux
# Or run directly:
~/.local/share/vocalinux/venv/bin/vocalinux
```
Or launch it from your application menu!
### Uninstall
```bash
# If installed via curl:
curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/uninstall.sh | bash
# If installed from source:
./uninstall.sh
```
## 📋 Requirements
- **OS**: Ubuntu 22.04+ (other Linux distros may work)
- **Python**: 3.8 or newer
- **Display**: X11 or Wayland
- **Hardware**: Microphone for voice input
## 🎙️ Usage
### Voice Dictation
1. **Double-tap Ctrl** to start recording
2. Speak clearly into your microphone
3. **Double-tap Ctrl** again (or pause speaking) to stop
### Voice Commands
| Command | Action |
|---------|--------|
| "new line" | Inserts a line break |
| "period" / "full stop" | Types a period (.) |
| "comma" | Types a comma (,) |
| "question mark" | Types a question mark (?) |
| "exclamation mark" | Types an exclamation mark (!) |
| "delete that" | Deletes the last sentence |
| "capitalize" | Capitalizes the next word |
### Command Line Options
```bash
vocalinux --help # Show all options
vocalinux --debug # Enable debug logging
vocalinux --engine whisper # Use Whisper AI engine
vocalinux --model medium # Use medium-sized model
vocalinux --wayland # Force Wayland mode
```
## ⚙️ Configuration
Configuration is stored in `~/.config/vocalinux/config.json`:
```json
{
"speech_recognition": {
"engine": "vosk",
"model_size": "small",
"vad_sensitivity": 3,
"silence_timeout": 2.0
}
}
```
You can also configure settings through the graphical Settings dialog (right-click the tray icon).
## 🔧 Development Setup
```bash
# Clone and install in dev mode
git clone https://github.com/jatinkrmalik/vocalinux.git
cd vocalinux
./install.sh --dev
# Activate environment
source venv/bin/activate
# Run tests
pytest
# Run from source with debug
python -m vocalinux.main --debug
```
## 📁 Project Structure
```
vocalinux/
├── src/vocalinux/ # Main application code
│ ├── speech_recognition/ # Speech recognition engines
│ ├── text_injection/ # Text injection (X11/Wayland)
│ ├── ui/ # GTK UI components
│ └── utils/ # Utility functions
├── tests/ # Test suite
├── resources/ # Icons and sounds
├── docs/ # Documentation
└── web/ # Website source
```
## 📖 Documentation
- [Installation Guide](docs/INSTALL.md) - Detailed installation instructions
- [User Guide](docs/USER_GUIDE.md) - Complete user documentation
- [Contributing](CONTRIBUTING.md) - Development setup and contribution guidelines
## 🗺️ Roadmap
- [x] ~~Custom icon design~~ ✅
- [x] ~~Graphical settings dialog~~ ✅
- [x] ~~Whisper AI support~~ ✅
- [ ] Multi-language support
- [ ] Application-specific commands
- [ ] Debian/Ubuntu package (.deb)
- [ ] Improved Wayland support
- [ ] Voice command customization
## 🤝 Contributing
We welcome contributions! Whether it's bug reports, feature requests, or code contributions, please check out our [Contributing Guide](CONTRIBUTING.md).
### Quick Links
- 🐛 [Report a Bug](https://github.com/jatinkrmalik/vocalinux/issues/new?template=bug_report.md)
- 💡 [Request a Feature](https://github.com/jatinkrmalik/vocalinux/issues/new?template=feature_request.md)
- 💬 [Discussions](https://github.com/jatinkrmalik/vocalinux/discussions)
## ⭐ Support
If you find Vocalinux useful, please consider:
- ⭐ Starring this repository
- 🐛 Reporting bugs you encounter
- 📖 Improving documentation
- 🔀 Contributing code
## 📜 License
This project is licensed under the **GNU General Public License v3.0** - see the [LICENSE](LICENSE) file for details.
---
<p align="center">
Made with ❤️ for the Linux community
</p>