festival

Speak text

$ echo "[Hello world]" | festival --tts

$ festival --tts [file.txt]

$ festival

$ echo "[text]" | festival --tts --voice [voice_name]

$ echo "[Hello]" | text2wave -o [output.wav]

$ festival -b "(voice.list)"

festival [options] [file]

festival is a general-purpose speech synthesis system. It converts text to speech using various synthesis techniques and can be controlled interactively or through scripts.
The system supports multiple languages and voices, and can be extended with new voices. It's used for accessibility, voice interfaces, and audio content generation.

--tts

Text-to-speech mode (read from stdin).

Evaluate Scheme expression.

Interactive mode.

Select voice.

Output type (riff, aiff, etc.).

Run as server.

Heap size in bytes.

Display help.

text2wave: Convert text to audio file
festival_client: Connect to server

Voice quality varies. Large texts may be slow. Some voices require additional downloads. Scheme knowledge helpful for customization.

Festival was developed at the Centre for Speech Technology Research at the University of Edinburgh by Alan Black and Paul Taylor starting in the 1990s. It became a widely-used open source TTS system.

espeak(1), pico2wave(1), say(1), flite(1)