Install festvox-czech-krb by entering the following commands in the terminal:
sudo apt update sudo apt install festvox-czech-krb
Description:
Czech child male speaker "krb" for Festival
This is a native Festival Czech child male diphone voice "krb", developed by the Free(b)soft project.
Homepage: http://devel.freebsoft.org/festival-czech-diphone-database
Version: 1.0.0-3
Section: universe/sound