DuoTok: Source-Aware Dual-Track Tokenization for Multi-Track Music Language Modeling

📰 ArXiv cs.AI

DuoTok is a source-aware dual-track tokenizer for multi-track music language modeling that balances reconstruction, predictability, and cross-track correspondence

advanced Published 2 Apr 2026
Action Steps
  1. Pretrain a semantic encoder to learn representations of audio data
  2. Apply staged disentanglement to separate tokens into dual tracks
  3. Evaluate the tokenizer on metrics such as reconstruction loss, perplexity, and cross-track correlation
Who Needs to Know This

AI engineers and researchers working on music language models can benefit from DuoTok's ability to preserve high-fidelity reconstruction and strong predictability, while also considering cross-track correspondence

Key Insight

💡 DuoTok's staged disentanglement approach allows for effective tokenization of multi-track music data while preserving important properties

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🎵 Introducing DuoTok, a dual-track tokenizer for music language models that balances fidelity, predictability, and cross-track correspondence!
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