Text to speech
Text-to-speech (TTS) softwares are programs used to transform a text into an audio file which can then be played. Such programs are used by blinded people to be able to use computers but can also be used to simply improve computer experience.
Festival is "a general framework for building speech synthesis systems as well as including examples of various modules. As a whole it offers full text to speech."
- free software
- available in the extra repository.
See the detailed article: Festival
mbrola is a non-free phonemes-to-audio program.
See the detailed article: mbrola