Package festival

Speech synthesis and text-to-speech system

http://www.cstr.ed.ac.uk/projects/festival/

Festival is a general multi-lingual speech synthesis system developed
at CSTR. It offers a full text to speech system with various APIs, as
well as an environment for development and research of speech synthesis
techniques. It is written in C++ with a Scheme-based command interpreter
for general control.

General Commands (Section 1)
festival
Festival is a general purpose text-to-speech system. As well as simply rendering text as speech it can be used in an interactive command mode for testing and...
festival_client
Allows sending commands and/or test to a festival test-to-speech server. Festival may be started in server mode using the option --server festival-clinet allows...