• Completely in C (no C++ or Scheme) for portability, size and speed • Reimplentation of the core parts of the Festival architecture (HRG) allowing close compabilility between voices built for each system. • Support for compiling FestVox voices into Flite voices. •Thread safe •Scalable voice size with all data const so it can be in ROM •Target architectures, ipaq (Linux/WinCE), Palm OS (treo) and smaller

* Includes different Voices, whose characteristics can be altered. * Can produce speech output as a WAV file. * SSML (Speech Synthesis Markup Language) is supported (not complete), and also HTML. * Compact size. The program and its data, including many languages, totals about 2 Mbytes. * Can be used as a front-end to MBROLA diphone voices. eSpeak converts text to phonemes with pitch and length information. * Can translate text into phoneme codes, so it could be adapted as a front end for another speech synthesis engine. * Potential for other languages. Several are included in varying stages of progress. Help from native speakers for these or other languages is welcome. * Development tools are available for producing and tuning phoneme data. * Written in C.