Supported OS: Mac OS X 10.4, 10.5 and 10.6

Text Input: Mac 8 bits encodings (Mac Roman, Mac Turkish, Mac Greek, etc ...), Windows ASCII encodings, UTF8. Support of tagged texts.

Lexicons: Lexicon Editor for creating and editing user lexicons

Synchronization support: Lip sync (visemes), Word synchronisation, and bookmarks

Voice properties: Speech rate, Volume, Reading modes (sentence, word, spelling), equaliser, pause length, and pitch (for HD voices only)

Audio format: PCM audio, 16 bits linear, 22 kHz., AIFF

APIs: Apple Speech Synthesis Manager (Carbon and NSSpeechSynthesizer Class) and proprietary APIs (BabTTS API and NSCAPI)

Development languages: C, C++, Objective C,

Supported developer tool: XCode 2.1 and higher

Complete documentation, sample code