Here is some info concerning the Cepstral sdk.
Cepstral Theta 2.2 SDK
January 24th, 2003
New Features in 2.2:
- SSML Support
- Faster (25% faster overall)
- Improved Voices (Emily and Frank)
- Command-line SAPI XML support (Windows only)
- Improved Lexicon and pronunciations
- Text Processing improvements (PoS, breaks, punctuation)
- Runs on Solaris
- Additional Documentation
- Installer improvements
and Four new voices available seperately
- Walter, Linda, Duncan, Robin
Copyright (C) Cepstral LLC 2003. All rights reserved.