Re: Gnopernicus and FreeTTS

Hi Ken,

Is the free tts a better speech synth than the Festival?

In many respects, yet. Some think the voice quality is slightly better. There is more active development happening in the FreeTTS project. But perhaps most importantly FreeTTS supports end-of-speech markers. Gnopernicus uses these in a number of places: to know when text should and should not be interrupted, to better concatenate speech, and to sequence speech in different voices.

One issue with FreeTTS is that it feels sluggish (something that is being worked on).

All that said, if you a blind user depending upon Gnopernicus for hours a day, you will be better served with a commercial TTS engine such as DECtalk or Cepstral, both of which work with gnome-speech and Gnopernicus.


Peter Korn
Sun Accessibility team

KenOn Fri, 9 Jan 2004, Thomas Ward wrote:

Hi, to get FreeTTS working with gnopernicus here is what you do.

1. Download the freetts tarball from
2. Download the j2sdk 1.4.2 from
3. Get a copy of the gnome-speech sources.
4. Install the j2sdk rpm.
5. Extract the freetts tarball to ashared location such as
6. Copy the file from the freetts directory into your home directories.
7. Extract the gnome-speech sources.
8. Run configure passing the --prefix option to the pace where your gnome binaries are, and tell it the freetts directory is so it can link with freetts. 9. Assuming everything was correctlydone in steps 1-8 all you need to do is run make and make install to get gnome-speech installed. 10. Last, from gnopernicus go to preferences, speech, voices, absolute voices, to change the freetts driver and voice.
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