---
license: apache-2.0
language:
- zh
task_categories:
- text-to-speech
tags:
- aishell
- aishell-3
- mandarin
- chinese
- speech
- text-to-speech
- tts
- multi-speaker-tts
- multi-speaker-speech
- speech-synthesis
pretty_name: AISHELL-3
size_categories:
- 10K<n<100K
---

# AISHELL-3

## Dataset Description

AISHELL-3 is a large-scale and high-fidelity multi-speaker Mandarin speech corpus published by Beijing Shell Shell Technology Co., Ltd.

The dataset is designed for training multi-speaker Text-to-Speech (TTS) systems. It contains roughly **85 hours** of emotion-neutral recordings spoken by **218 native Mandarin Chinese speakers**, with a total of **88,035 utterances**.

Auxiliary speaker attributes, including **gender**, **age group**, and **native accents**, are explicitly marked and provided in the corpus.

Transcripts are provided at both:

- Chinese character level
- Pinyin level

The word and tone transcription accuracy rate is above **98%**, based on professional speech annotation and strict quality inspection for tone and prosody.

## Dataset Source

- OpenSLR: http://openslr.org/93/
- External URL: http://www.aishelltech.com/aishell_3

## Dataset Download

The dataset is available from OpenSLR.

| File | Size | Description |
|---|---:|---|
| `data_aishell3.tgz` | 19 GB | Speech data and transcripts |

## Dataset Information

| Item | Description |
|---|---|
| Identifier | SLR93 |
| Category | Speech |
| Language | Mandarin Chinese |
| Publisher | Beijing Shell Shell Technology Co., Ltd. |
| Duration | Roughly 85 hours |
| Number of speakers | 218 |
| Number of utterances | 88,035 |
| Speech style | Emotion-neutral |
| Transcript type | Chinese character-level and pinyin-level transcripts |
| License | Apache License v2.0 |

## Intended Uses

AISHELL-3 can be used for research and development of:

- Multi-speaker Text-to-Speech systems
- Mandarin speech synthesis
- Speaker-conditioned speech generation
- Speech corpus analysis for Mandarin TTS

## License

This dataset is released under the **Apache License v2.0**.

## Citation

If you use this dataset, please cite the following reference:

```bibtex
@inproceedings{AISHELL-3_2020,
  title={AISHELL-3: A Multi-speaker Mandarin TTS Corpus and the Baselines},
  author={Yao Shi, Hui Bu, Xin Xu, Shaoji Zhang, Ming Li},
  year={2015},
  url={https://arxiv.org/abs/2010.11567}
}