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README.md
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# MiniMax-Speech Technical Implementation
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An unofficial implementation based on the MiniMax-Speech technical report, with core components adapted from [CosyVoice2](https://github.com/FunAudioLLM/CosyVoice).
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## Overview
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This repository provides an implementation of the MiniMax-Speech model, featuring a two-stage training approach for high-quality 24kHz audio generation.
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## Key Features
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- **24kHz Audio Support**: High-quality audio generation at 24kHz sampling rate
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- **Two-Stage Architecture**: Optimized training pipeline with discrete and continuous representations
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- **Modular Design**: Separate components for audio codec and variational autoencoder
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- **CosyVoice2 Integration**: Leverages proven components from the CosyVoice2 framework
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## Architecture
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### Stage 1: Audio to Discrete Tokens
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Converts raw audio into discrete representations using the DAC (Descript Audio Codec) framework.
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### Stage 2: Discrete Tokens to Continuous Latent Space
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Maps discrete tokens to a continuous latent space using a Variational Autoencoder (VAE).
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> **Note**: This implementation uses standard DAC-VAE instead of Flow-VAE.
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## Implementation Pipeline
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### 1. Model Training
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#### DAC Codec
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- Based on the [Descript Audio Codec](https://github.com/descriptinc/descript-audio-codec)
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- Provides efficient audio tokenization
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- Utilizes CosyVoice2's optimized training pipeline
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#### DAC-VAE
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- Train using `train_dac_vae.py`
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- Learns continuous latent representations from discrete tokens
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- Architecture adapted from CosyVoice2's VAE implementation
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### 2. Feature Extraction
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Before training the main model:
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1. Extract discrete tokens using the trained DAC codec
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2. Generate continuous latent representations using the trained DAC-VAE
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### 3. Two-Stage Training
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Train the models sequentially:
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- **Stage 1**: Audio → Discrete token modeling
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- **Stage 2**: Discrete token → Continuous latent space modeling
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## Getting Started
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### Prerequisites
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```bash
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# List your dependencies here
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pip install -r requirements.txt
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```
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### Training Pipeline
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1. **Train DAC Codec** (if not using pretrained)
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```bash
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# Add training command
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```
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2. **Train DAC-VAE**
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```bash
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python train_dac_vae.py --config configs/dac_vae.yaml
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```
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3. **Extract Features**
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```bash
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# Add feature extraction commands
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```
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4. **Train MiniMax-Speech**
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```bash
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# Add main training command
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```
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## Project Structure
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```
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minimax-speech/
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├── assets/
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│ └── image.png
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├── configs/
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│ └── dac_vae.yaml
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├── models/
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│ ├── dac_codec/
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│ └── dac_vae/
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├── cosyvoice/ # Components from CosyVoice2
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│ ├── flow/
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│ ├── transformer/
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│ └── utils/
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├── train_dac_vae.py
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└── README.md
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```
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## Related Projects
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This implementation builds upon several key projects:
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- **[CosyVoice2](https://github.com/FunAudioLLM/CosyVoice)**: Core model architectures and training pipelines
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- **[Descript Audio Codec](https://github.com/descriptinc/descript-audio-codec)**: Audio tokenization framework
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- **MiniMax-Speech**: Original technical report and methodology
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## Citation
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If you use this code in your research, please cite:
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```bibtex
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@article{minimax-speech,
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title={MiniMax-Speech},
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author={[MiniMax team]},
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year={[2025]}
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url={https://arxiv.org/pdf/2505.07916}
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}
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@misc{cosyvoice2,
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title={CosyVoice: A Scalable Multilingual Zero-shot Text-to-speech Synthesizer based on Supervised Semantic Tokens},
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author={[FunAudioLLM Team, SpeechLab@Tongyi, Alibaba Group]},
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year={2024},
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url={https://github.com/FunAudioLLM/CosyVoice}
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}
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```
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## License
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This project follows the licensing terms of its dependencies:
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- CosyVoice2 components: [Check CosyVoice2 License](https://github.com/FunAudioLLM/CosyVoice/blob/main/LICENSE)
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- DAC components: [Apache 2.0 License](https://github.com/descriptinc/descript-audio-codec/blob/main/LICENSE)
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- Original contributions: [Specify your license here]
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## Acknowledgments
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- **[CosyVoice2](https://github.com/FunAudioLLM/CosyVoice)**: This implementation extensively uses code and architectures from CosyVoice2
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- **[Descript Audio Codec](https://github.com/descriptinc/descript-audio-codec)**: For the DAC implementation
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- **MiniMax team**: For the technical report and methodology
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- **FunAudioLLM team**: For the excellent CosyVoice2 codebase
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## Contributing
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Contributions are welcome! Please feel free to submit a Pull Request.
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## Contact
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[Your contact information or links to issues/discussions]
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assets/image.png
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