KsponSpeech

~969 h of Korean spontaneous open-domain dialogue from ~2,000 native speakers, with dual orthographic + pronunciation transcription.

• Task: asr
• Languages: ko
• Hours: 969
• Domain: conversational
• License: see source terms
• Homepage: https://aihub.or.kr/aidata/105
• Paper: https://www.mdpi.com/2076-3417/10/19/6936

Recommendation

The standard large-scale corpus for Korean spontaneous-speech ASR and the reference for Korean ASR toolkits. Distributed via the Korean government AIHub portal under custom terms requiring registration/approval, which can be a barrier for non-Korean users.

Getting the data

Obtain from the dataset homepage.

Requires an AIHub account and agreement to AIHub usage terms; not a standard open license.

Suggested processing

A recommended VoxKitchen pipeline ships in the repository at voxkitchen/templates/pipelines/asr-training-data.yaml — run it with vkit docker run.