VinBigData ASR VLSP 2020
100 hours of speech data in Vietnamese provided by VinBigData for the VLSP ASR Challenge 2020
https://vinbigdata.org/events/vinbigdata-chia-se-100-gio-du-lieu-tieng-noi-cho-cong-dong/
VinBigData
A university or research institution
Vietnam
VinBigData
 info@vinbigdata.org
https://product.vinbigdata.org/about/
Yes - it has a direct download link or links
https://drive.google.com/file/d/1vUSxdORDxk-ePUt-bUVDahpoXiqKchMx/view?usp=sharing
Unclear
It is open-source.