First of all thanks for sharing this nice work. But while I was trying to download utils_fine_tune.zip
data_ctc.zip , I could not find . I have went this link
https://drive.google.com/drive/folders/1iEEMr2DYofulK2F5pSErOPf5ggrEqtJt , but those two zips are not there. @jeniyat It would be great if you please provide those files.