jovie software package provides text-to-speech system, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install jovie
jovie is installed in your system.
Make ensure the jovie package were installed using the commands given below,
$ sudo dpkg-query -l | grep jovie *
You will get with jovie package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | jovie |
| Version | 4:4.8.4-2 |
| Description | text-to-speech system |
| Sub Section | Utils |