$ sudo apt-get update
$ sudo apt-get install espeak-data-udeb 

espeak-data-udeb is installed in your system.

Make ensure the espeak-data-udeb package were installed using the commands given below,

$ sudo dpkg-query -l | grep espeak-data-udeb *

You will get with espeak-data-udeb package name, version, architecture and description in a table

espeak-data-udeb package basic information: