Comparison of speech synthesizers
From Wikipedia, the free encyclopedia
Here is a non-exhaustive comparison of speech synthesis programs :
| Creator(s) | First public release date | Latest stable version | Software license | Cost | |
|---|---|---|---|---|---|
| Apple PlainTalk | Apple Inc. | 1984 | 2007, October 26 | Bundled with Mac OS X | Bundled |
| AT&T Natural Voices | AT&T Natural Voices | ? | 2008 | Commercial | $295 - $995 |
| Cepstral | Cepstral | ? | ? | Proprietary | $29+ |
| eSpeak | Jonathan Duddington | 2006, February 10 | 2011, April 25 | GPLv3+ | Free |
| Festival Speech Synthesis System | CSTR | ? | 2010, November | MIT-like license | Free |
| FreeTTS | Paul Lamere Philip Kwok Dirk Schnelle-Walka Willie Walker ... |
2001, December 14 | 2009, March 9 | BSD | Free |
| IVONA TTS | IVONA Software | 2005 | ? | Commercial | ? |
| Kurzweil 1000 and Kurzweil 3000 | Kurzweil Educational Systems, Inc. | 1996 | 2005 | Commercial | ? |
| Loquendo | Loquendo | ? | 2011 | Commercial | ? |
| Nuance Vocalizer | Nuance Communications, Inc. | ? | ? | Proprietary | ? |
| Praat | Paul Boersma David Weenink |
? | 2011, September 11 | GPL | Free |
| Creator(s) | First public release date | Latest stable version | Software license | Cost |
[edit] Technical voice details
| Platform | SSML | SAPI version | WS | PLS | CLI |
|---|---|---|---|---|---|
| Acapela | ? | 5.1/5.3 | Yes | ? | ? |
| AT&T Natural Voices | Yes | 5.1 | ? | ? | ? |
| IVONA TTS | 1.0/1.1 | 5.1 /5.3 | Yes | 1.0 | Yes |
| eSpeak | |||||
| Festival Speech Synthesis System | |||||
| FreeTTS | |||||
| Kurzweil 1000 and Kurzweil 3000 | |||||
| Loquendo | |||||
| Nuance Vocalizer | |||||
| Praat |
[edit] Technical details
| Online demo | Available language(s) | Available voices(s) | Programming language | Operating system(s) | |
|---|---|---|---|---|---|
| Apple PlainTalk | ? | English (United States), ... | 15+ | ? | Macintosh |
| AT&T Natural Voices | Yes | English (British), English (Indian), English (US), French, French (Canadian), German, Italian, Spanish (Latin American) | 20 | C++ | Linux Windows |
| Cepstral | Yes | English (British), English (US), Italian, French (Canadian), German, Spanish (American), ... | 25+ | ? | Mac OS X Windows i386-Linux x86-64-Linux Sparc-Solaris i386-Solaris |
| eSpeak | Samples | English… | Several | C++ | Linux Windows Mac OS X RISC OS |
| Festival Speech Synthesis System | Yes | English… | Several | C++ | Linux Windows |
| FreeTTS | ? | English… | Several | Java | Cross-platform |
| IVONA TTS | Yes | English (British), English (US), German, American Spanish, Castilian Spanish, French, Welsh, Welsh English, Polish, Romanian | 26 | C/C++ | Windows Linux |
| Kurzweil 1000 and Kurzweil 3000 | ? | ? | ? | ? | ? |
| Loquendo | Yes | English (Australian), English (British), English (US), Castilian Spanish, Catalan, Valencian, Galician, French, German, Italian, Greek, Portuguese, Swedish, Dutch, Polish, Brazilian Portuguese, Mandarin Chinese, Mexican Spanish, Chilean, Argentinean, American Spanish, Canadian French, Turkish, Finnish, Russian, Danish, Norwegian, Arabic, Romanian | 74 | ? | Windows Linux |
| Nuance Vocalizer | Yes | English (Australian), English (British), English (US), Portuguese (Brazilian), French (Canadian), German, Spanish (Latin American) | 10+ | C/C++ | ? |
| Praat | ? | ? | ? | C | Windows Linux Macintosh FreeBSD Solaris |
| Online demo | Available language(s) | Available voices(s) | Programming language | Operating system(s) |