FreeTTS

FreeTTS is a text-to-speech engine written in Java, available from http://freetts.sf.net/.

Reading text into a WAV file

The following command reads src.txt into dst.wav. For decoding purposes, it may be important to note that the produced file (on my system, anyway) is PCM, 16000Hz, mono, 16-bit.

java -jar (installdir)/lib/freetts.jar -dumpAudio dst.wav -file src.txt