---
license: other
datasets:
- reazon-research/reazonspeech
task_categories:
- automatic-speech-recognition
language:
- ja
pretty_name: ReazonSpeech
size_categories:
- 10M<n<100M
---

# Reazon Speech v2 dataset mirror

## Original Dataset Source

- Hugging Face Dataset Page: [reazon-research/reazonspeech](https://huggingface.co/datasets/reazon-research/reazonspeech)
- Project Page: [Reazon Research](https://research.reazon.jp/projects/ReazonSpeech/index.html)

## License

This dataset is a mirror of the original Reazon Speech v2 dataset, but on 🤗 server (so may be faster). This dataset is licensed under the [CDLA-Sharing-1.0](https://cdla.dev/sharing-1-0/). The original dataset comes with the following restriction: 

> TO USE THIS DATASET, YOU MUST AGREE THAT YOU WILL USE THE DATASET SOLELY FOR THE PURPOSE OF JAPANESE COPYRIGHT ACT ARTICLE 30-4.

This mirrored dataset is redistributed under the same CDLA-Sharing-1.0 license and the restriction.

## Disclaimer

**TO USE THIS DATASET, YOU MUST AGREE THAT YOU WILL USE THE DATASET SOLELY FOR THE PURPOSE OF JAPANESE COPYRIGHT ACT ARTICLE 30-4.** 

### Notes

- No modifications have been made to the original dataset in this mirror.
- All credits for the dataset creation go to the original creators at Reazon Research.


## Dataset Format

Audio files are available in FLAC format, sampled at 16000 hz.

- `all.tsv`: TSV file containing the audio file paths and their transcriptions, with the following format:
```tsv
000/0123456abcdef.flac    書き起こしをお伝えします。
01f/987654321fdeb.flac    これは音声データです。
...
```
- `metadata.csv`: CSV file containing the same info as `all.tsv`:
```csv
file_name,transcription
data/000/0123456abcdef.flac,書き起こしをお伝えします。
data/01f/987654321fedc.flac,これは音声データです。
...
```
- `data/`: Directory containing the audio files. There are 4096 tar files `data/001.tar` -- `data/fff.tar` containing the audio files.

Structure of the repository:
```
.
├── all.tsv
├── metadata.csv
└── data
    ├── 001.tar
    ├── 002.tar
    ├── 003.tar
    ├── ...
    └── fff.tar
```