Open-source Dataset

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Japanese Read Speech Recognition Corpus

Japnese, Read Speech, Smartphone

Japanese Read Speech Recognition Corpus was developed by MAGICDATA TECHNOLOGY Co., Ltd. with a significant volume of 1500 hours. A subset of 30-hour scripted read speech data was developed and freely published for non-commercial use. 37 native speakers are from different areas, including Tokyo, Osaka, Hokkaido, etc. The corpus is a test set, recorded indoors and the output is PCM formatted. The recording texts are from daily conversation.

Data Specification



Recording Environment

Quiet Indoors

Audio duration

30 Hours

Data Content

Common sentence in daily life

Transcription Accuracy


Speakers Intro

37 speakers from different areas (including Tokyo, Osaka, Hokkaido, etc) in Japan

Application Fields

Speech Recognition

Sensitive Items


Copyright Ownership

Magic Data

Samples Download

This work is licensed under the Creative Commons Attribution-Noncommercial-Prohibited Acting 4.0 International License Agreement.

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