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---
license: apache-2.0
library_name: torch
base_model:
- microsoft/wavlm-large
pipeline_tag: audio-to-audio
---
# ⚡ FocalCodec
A low-bitrate single-codebook 16 / 24 kHz speech codec based on [focal modulation](https://arxiv.org/abs/2203.11926).
This repository contains the **50 Hz causal checkpoint with a codebook size of 65536** trained on **Libri-Light**, as described in the preprints.
- 📜 **Preprints**:
- [FocalCodec: Low-Bitrate Speech Coding via Focal Modulation Networks](https://arxiv.org/abs/2502.04465)
- [FocalCodec-Stream: Streaming Low-Bitrate Speech Coding via Causal Distillation](https://arxiv.org/abs/2509.16195)
- 🌐 **Project Page**: https://lucadellalib.github.io/focalcodec-web/
- 💾 **GitHub**: https://github.com/lucadellalib/focalcodec
<img src="focalcodec-stream.png" width="700">
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## ▶️ Quickstart
See the readme at: https://github.com/lucadellalib/focalcodec
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## @ Citing
```
@article{dellalibera2025focalcodec,
title = {{FocalCodec}: Low-Bitrate Speech Coding via Focal Modulation Networks},
author = {Luca {Della Libera} and Francesco Paissan and Cem Subakan and Mirco Ravanelli},
journal = {arXiv preprint arXiv:2502.04465},
year = {2025},
}
@article{dellalibera2025focalcodecstream,
title = {{FocalCodec-Stream}: Streaming Low-Bitrate Speech Coding via Causal Distillation},
author = {Luca {Della Libera} and Cem Subakan and Mirco Ravanelli},
journal = {arXiv preprint arXiv:2509.16195},
year = {2025},
}
```
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## 📧 Contact
[luca.dellalib@gmail.com](mailto:luca.dellalib@gmail.com)
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