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README.md
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---
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language:
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- en
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tags:
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- audio
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- music
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- codec
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- neural-audio
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- audio-compression
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license: apache-2.0
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pipeline_tag: audio-to-audio
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inference: false
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---
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# XCodec Mini - Neural Audio Codec
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## Model Description
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XCodec Mini is a state-of-the-art neural audio codec designed for high-quality music compression and reconstruction. It combines semantic and acoustic encoding approaches to achieve efficient compression while maintaining audio quality.
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### Key Features
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- **Dual Encoding Architecture**
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- Semantic encoder for high-level musical features
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- Acoustic encoder for detailed sound information
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- Multi-scale processing for efficient compression
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- **Advanced Compression**
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- Multiple codebooks for flexible quality/size tradeoff
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- Support for 44.1kHz high-fidelity audio
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- Separate processing paths for vocals and instrumentals
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- **Technical Specifications**
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- Input: Raw audio at 44.1kHz
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- Output: Compressed representations and reconstructed audio
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- Model Size: [Add total size]
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- Compression Ratio: [Add typical ratio]
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## Intended Uses
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- High-quality music compression
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- Audio archival and storage
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- Music streaming applications
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- Audio processing pipelines
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## Training Data
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The model was trained on a diverse dataset of music, including:
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- Various genres and styles
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- Vocal and instrumental tracks
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- High-quality studio recordings
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## Performance and Limitations
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### Strengths
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- High-quality audio reconstruction
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- Efficient compression ratios
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- Separate handling of vocals and instrumentals
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- Support for high sample rates
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### Limitations
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- Computationally intensive for real-time applications
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- Requires significant GPU memory
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- Best suited for offline processing
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- May introduce artifacts in extreme compression settings
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## Technical Specifications
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### Model Architecture
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1. **Semantic Encoder**
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- Based on HuBERT architecture
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- Captures high-level musical features
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- Outputs semantic tokens
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2. **Acoustic Encoder**
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- Multi-scale convolutional architecture
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- Processes detailed sound information
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- Generates acoustic tokens
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3. **Dual Decoders**
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- Separate decoders for vocals and instrumentals
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- Multi-stage reconstruction process
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- Quality-focused design
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### Input Requirements
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- Audio Format: WAV/MP3
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- Sample Rate: 44.1kHz
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- Channels: Mono/Stereo
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- Bit Depth: 16-bit
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### Output Format
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- Reconstructed Audio: 44.1kHz WAV
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- Intermediate Representations: Compressed tokens
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## Usage Guidelines
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### Hardware Requirements
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- GPU: NVIDIA GPU with 8GB+ VRAM
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- RAM: 16GB+ recommended
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- Storage: SSD recommended for faster processing
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### Software Requirements
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- Python 3.8+
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- PyTorch 2.0+
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- CUDA 11.0+
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- Additional dependencies listed in installation guide
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## Ethical Considerations
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- **Copyright**: Users should ensure they have proper rights to process copyrighted material
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- **Attribution**: Proper attribution should be given when using this model
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- **Data Privacy**: Consider data privacy implications when processing sensitive audio
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## Additional Information
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### Model Weights
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The model requires several checkpoint files:
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- Semantic Encoder: `semantic_ckpts/hf_1_325000/pytorch_model.bin`
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- Vocal Decoder: `decoders/decoder_131000.pth`
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- Instrumental Decoder: `decoders/decoder_151000.pth`
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- Final Checkpoint: `final_ckpt/ckpt_00360000.pth`
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### Contact
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For issues and questions, please use the GitHub repository's issue tracker.
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