ComfyUI-QWEN3_TTS

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ComfyUI-QWEN3_TTS

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# Qwen3-TTS ComfyUI Nodes

Fast and efficient Text-to-Speech nodes for ComfyUI based on [Qwen3-TTS](https://github.com/QwenLM/Qwen3-TTS).

## Features

- 🎙️ **Custom Voice Generation**: 9 premium voices with emotion/style control
- 🎨 **Voice Design**: Create unique voices from text descriptions
- 👥 **Voice Cloning**: Clone any voice from 3+ seconds of audio
- 🌍 **Multilingual**: Supports 10 languages (Chinese, English, Japanese, Korean, German, French, Russian, Portuguese, Spanish, Italian)
- ⚡ **Fast**: Optimized with model caching and flash attention
- 📦 **Batch Processing**: Generate multiple audio clips efficiently

## Installation

### Method 1: Via ComfyUI Manager (Recommended)
1. Open ComfyUI Manager
2. Search for "Qwen3-TTS"
3. Click Install
4. Restart ComfyUI

### Method 2: Manual Installation
1. Navigate to your ComfyUI custom nodes directory:
```bash
cd ComfyUI/custom_nodes/
```

2. Clone this repository:
```bash
git clone https://github.com/yourusername/ComfyUI-Qwen3-TTS
```

3. Install dependencies:
```bash
cd ComfyUI-Qwen3-TTS
pip install qwen-tts soundfile torch
```

4. (Optional) Install FlashAttention for better performance:
```bash
pip install flash-attn --no-build-isolation
```

5. Restart ComfyUI

## Nodes

### 1. Qwen3 TTS Model Loader
Loads and caches Qwen3-TTS models.

**Inputs:**
- `model_name`: Choose from available models (1.7B or 0.6B variants)
- `device`: GPU or CPU selection
- `dtype`: Precision (bfloat16, float16, float32)
- `use_flash_attn`: Enable FlashAttention 2 for speed

**Outputs:**
- `QWEN_TTS_MODEL`: Loaded model instance

### 2. Qwen3 TTS Custom Voice
Generate speech using one of 9 premium voices.

**Available Speakers:**
- **Vivian**: Bright, slightly edgy young female (Chinese)
- **Serena**: Warm, gentle young female (Chinese)
- **Uncle_Fu**: Seasoned male with low, mellow timbre (Chinese)
- **Dylan**: Youthful Beijing male (Chinese - Beijing Dialect)
- **Eric**: Lively Chengdu male (Chinese - Sichuan Dialect)
- **Ryan**: Dynamic male with strong rhythm (English)
- **Aiden**: Sunny American male (English)
- **Ono_Anna**: Playful Japanese female (Japanese)
- **Sohee**: Warm Korean female (Korean)

**Inputs:**
- `model`: Qwen3-TTS model
- `text`: Text to synthesize
- `speaker`: Voice selection
- `language`: Target language (or "Auto")
- `instruct` (optional): Style/emotion instruction (e.g., "Very happy", "Angry tone")

### 3. Qwen3 TTS Voice Design
Create custom voices from text descriptions.

**Inputs:**
- `model`: Qwen3-TTS VoiceDesign model
- `text`: Text to synthesize
- `voice_description`: Describe the desired voice (e.g., "A deep, authoritative male voice with British accent")
- `language`: Target language

**Example Descriptions:**
- "A warm, gentle young female voice with clear pronunciation"
- "Deep masculine voice with slight rasp, confident and commanding"
- "Cheerful teenage girl voice, energetic and playful"
- "Elderly male voice, wise and calm, with slight tremor"

### 4. Qwen3 TTS Voice Clone
Clone a voice from reference audio.

**Inputs:**
- `model`: Qwen3-TTS Base model
- `text`: Text to synthesize
- `ref_audio`: Reference audio (ComfyUI AUDIO format)
- `ref_text`: Transcript of reference audio
- `language`: Target language
- `x_vector_only` (optional): Use only speaker embedding (faster but lower quality)

### 5. Qwen3 TTS Voice Clone (File)
Clone voice from file path or URL.

**Inputs:**
- `ref_audio_path`: Local file path or URL
- Other inputs same as Voice Clone

**Example URLs:**
```
https://qianwen-res.oss-cn-beijing.aliyuncs.com/Qwen3-TTS-Repo/clone.wav
```

### 6. Qwen3 TTS Create Clone Prompt
Create reusable clone prompt for batch generation (optimization).

**Inputs:**
- `model`: Qwen3-TTS Base model
- `ref_audio`: Reference audio
- `ref_text`: Transcript

**Outputs:**
- `QWEN_CLONE_PROMPT`: Reusable prompt for faster generation

### 7. Qwen3 TTS Clone with Prompt
Generate speech using pre-created clone prompt.

**Inputs:**
- `model`: Qwen3-TTS Base model
- `text`: Text to synthesize
- `clone_prompt`: From "Create Clone Prompt" node
- `language`: Target language

### 8. Qwen3 TTS Batch Generate
Generate multiple audio clips from a list of texts.

**Inputs:**
- `model`: Qwen3-TTS model
- `text_list`: Multiple texts separated by delimiter
- `separator`: Text delimiter (default: "\n")
- `speaker` (optional): For custom voice mode
- `language`: Target language
- `clone_prompt` (optional): For voice cloning mode

## Workflow Examples

### Basic Custom Voice Generation
```
Model Loader → Custom Voice → Preview Audio → Save Audio
```

### Voice Design
```
Model Loader (VoiceDesign) → Voice Design → Preview Audio
```

### Voice Cloning
```
Load Audio → Model Loader (Base) → Voice Clone → Preview Audio
```

### Optimized Batch Cloning
```
Load Audio → Model Loader (Base) → Create Clone Prompt → Clone with Prompt (×3) → Batch → Save
```

## Performance Tips

1. **Use Model Caching**: The Model Loader caches models, so load once and reuse
2. **Enable FlashAttention**: Set `use_flash_attn=True` for 2-3x speed improvement
3. **Use bfloat16**: Best balance of speed and quality
4. **Batch Processing**: Use the Batch node or Clone with Prompt for multiple generations
5. **GPU Selection**: Use `cuda:0` for best performance

## Models

Models auto-download on first use from Hugging Face. You can also pre-download:

```bash
# Via ModelScope (faster in China)
pip install modelscope
modelscope download --model Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice --local_dir ./models/Qwen3-TTS-12Hz-1.7B-CustomVoice

# Via Hugging Face
pip install huggingface_hub[cli]
huggingface-cli download Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice --local-dir ./models/Qwen3-TTS-12Hz-1.7B-CustomVoice
```

**Available Models:**
- `Qwen3-TTS-12Hz-1.7B-CustomVoice` (9 premium voices)
- `Qwen3-TTS-12Hz-1.7B-VoiceDesign` (voice design)
- `Qwen3-TTS-12Hz-1.7B-Base` (voice cloning)
- `Qwen3-TTS-12Hz-0.6B-CustomVoice` (smaller, faster)
- `Qwen3-TTS-12Hz-0.6B-Base` (smaller, faster)

## Requirements

- Python 3.8+
- PyTorch 2.0+
- qwen-tts
- soundfile
- CUDA-capable GPU recommended (CPU works but slower)

## Troubleshooting

**Model download fails:**
- Set environment variable: `export HF_ENDPOINT=https://hf-mirror.com` (China users)
- Or manually download models as shown above

**Flash Attention not available:**
- Install with: `pip install flash-attn --no-build-isolation`
- Or disable in Model Loader settings

**Out of memory:**
- Use 0.6B model instead of 1.7B
- Use float16 or reduce batch size
- Close other applications

**Poor voice quality:**
- Use bfloat16 instead of float16
- Ensure reference audio is clean (for cloning)
- Provide accurate transcript for reference audio

## License

Apache 2.0 (same as Qwen3-TTS)

## Credits

Based on [Qwen3-TTS](https://github.com/QwenLM/Qwen3-TTS) by Alibaba Cloud Qwen Team.

## Support

- Report issues: [GitHub Issues](https://github.com/yourusername/ComfyUI-Qwen3-TTS/issues)
- Qwen3-TTS docs: [Official Repository](https://github.com/QwenLM/Qwen3-TTS)

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