---
title: OpenDialog
canonical_url: "https://www.modelscope.cn/datasets/k2-fsa/OpenDialog"
md_url: "https://www.modelscope.cn/datasets/k2-fsa/OpenDialog.md"
repository: k2-fsa/OpenDialog
last_updated: 2026-04-19
license: cc-by-nc-4.0
storage_size: "95 GB"
downloads: 2893
stars: 1
---

# OpenDialog

> OpenDialog - k2-fsa 在 ModelScope 开源的数据集。OpenDialog is a 6.8k hours spoken dialogue dataset, introduced in the paper ZipVoice-Dialog: Non-Autoregressive Spoken Dialogue Generation with Flow Matching.

k2-fsa/OpenDialog 是 ModelScope 魔搭社区上的数据集，存储大小 95 GB，采用 cc-by-nc-4.0 许可。

- **Repository**: k2-fsa/OpenDialog
- **License**: cc-by-nc-4.0
- **Storage size**: 95 GB
- **Downloads**: 2893
- **Stars**: 1
- **Last updated**: 2026-04-19

Source: https://www.modelscope.cn/datasets/k2-fsa/OpenDialog

---

# OpenDialog

OpenDialog is a 6.8k hours spoken dialogue dataset, introduced in the paper [ZipVoice-Dialog: Non-Autoregressive Spoken Dialogue Generation with Flow Matching](https://arxiv.org/abs/2507.09318). 

- **Paper:** [https://arxiv.org/abs/2507.09318](https://arxiv.org/abs/2507.09318)
- **GitHub:** [https://github.com/k2-fsa/ZipVoice](https://github.com/k2-fsa/ZipVoice)
- **Project Page:** [https://zipvoice-dialog.github.io](https://zipvoice-dialog.github.io)

OpenDialog is the first large-scale (6.8k hours) open-source spoken dialogue dataset derived from in-the-wild speech data. It consists of:
- **English data:** 5074 hours
- **Chinese data:** 1759 hours

This dataset is also available at [ModelScope](https://www.modelscope.cn/datasets/k2-fsa/OpenDialog) (more friendly for users from China mainland).

## Citation

```bibtex
@article{zhu2025zipvoicedialog,
      title={ZipVoice-Dialog: Non-Autoregressive Spoken Dialogue Generation with Flow Matching},
      author={Zhu, Han and Kang, Wei and Guo, Liyong and Yao, Zengwei and Kuang, Fangjun and Zhuang, Weiji and Li, Zhaoqing and Han, Zhifeng and Zhang, Dong and Zhang, Xin and Song, Xingchen and Lin, Long and Povey, Daniel},
      journal={arXiv preprint arXiv:2507.09318},
      year={2025}
}
```