Infovox iVox provides Mac OS X users with the best text-to-speech voices ever on the Mac. You won't believe your ears hearing these natural-sounding voices, available in many different languages. What is more, they can be used in any Mac OS X application that uses speech.
The Infovox iVox voices, once installed on the computer, appear in the Speech panel of the System Preferences and can be used by any application that has speech functionality, including Preview, TextEdit, Mail, Microsoft Word (through its Speech toolbar), VisioVoice, Proloquo, GhostReader, Acrobat, AppleScript, Automator, Kurzweil 3000 for Macintosh (version 3.0.4. and higher), TextHelp Read and Write Gold for Mac (version 2.1 and higher) and many others.
You can also use Infovox iVox with Mac OS X built-in speech and accessibility features. Including the Mac OS X built-in VoiceOver screen reader.
Infovox iVox includes all voices available for a language of choice. The following languages are available: American English, British English, French, Canadian French, German, Italian, Dutch, Finnish, Flemish, Spanish, American Spanish, Portuguese, Brazilian Portuguese, Norwegian, and Swedish.