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--- |
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title: sub200 |
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emoji: 🎙️ |
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colorFrom: purple |
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colorTo: blue |
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sdk: gradio |
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sdk_version: 4.44.0 |
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app_file: app.py |
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pinned: false |
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license: mit |
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hardware: zero-gpu-h200 |
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--- |
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# sub200 - Ultra Low Latency TTS Hosting |
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sub200 allows you to host different open source TTS (Text-to-Speech) engines with ultra low latency. |
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## Features |
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- 🚀 **Ultra Low Latency** - Optimized for real-time speech synthesis |
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- 🎯 **Multiple Engines** - Support for Piper, Coqui TTS, Edge TTS, eSpeak, gTTS, and pyttsx3 |
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- 🌐 **Web UI** - Simple, modern Gradio interface |
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- ⚡ **Fast** - Built with Gradio for high performance |
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- 🎮 **GPU Support** - Optimized for GPU acceleration with Coqui TTS (H200 dynamic allocation) |
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## Available TTS Engines |
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1. **Piper TTS** - Ultra low latency, offline |
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2. **Coqui TTS** - High quality neural TTS (GPU accelerated) |
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3. **Edge TTS** - Microsoft Edge TTS (free, online) |
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4. **eSpeak** - Fast, lightweight, offline |
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5. **Google TTS (gTTS)** - Online, requires internet |
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6. **pyttsx3** - Offline, uses system voices |
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## Usage |
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1. Enter your text in the text box |
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2. Select a TTS engine from the dropdown |
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3. Adjust speed if needed (0.5x to 2.0x) |
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4. Click "Generate Speech" |
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5. Audio will auto-play when ready! |
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## GPU Support |
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This Space is configured for **zero GPU** (H200 dynamic allocation): |
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- GPU is allocated automatically when Coqui TTS is used |
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- No GPU needed for other engines (Piper, Edge TTS, eSpeak, etc.) |
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- Efficient resource usage with dynamic allocation |
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## Model Files |
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### Piper Models |
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- Models are downloaded automatically at runtime if not present |
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- Or you can include them in the repository (they're ~60MB each) |
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### Coqui Models |
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- Models are downloaded automatically on first use |
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- They're cached in the Space's storage |
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## Local Development |
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```bash |
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# Install dependencies |
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pip install -r requirements.txt |
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# Run server |
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python app.py |
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``` |
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Then open http://localhost:7860 |
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## Performance Tips |
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1. **Use GPU** - Coqui TTS benefits significantly from GPU acceleration |
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2. **Choose Right Engine**: |
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- **Piper** - Fastest, lowest latency, offline |
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- **Edge TTS** - Best quality, requires internet |
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- **Coqui** - High quality, GPU accelerated |
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- **eSpeak** - Fastest, basic quality, offline |
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## Troubleshooting |
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- **No audio generated**: Check engine status in the accordion |
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- **GPU not working**: Ensure zero GPU is enabled in Space settings |
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- **Model download fails**: Check internet connection for online engines |
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