Infovox iVox offers high quality, natural-sounding voices for use with virtually any Mac application that uses the Mac OS X text-to-speech features.
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, VoiceOver, 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.
Voices are currently available for the following languages: American English, British English, Czech, Finnish, French, Canadian French, German, Italian, Danish, Dutch, Flemish, Spanish, American Spanish, Polish, Portuguese, Brazilian Portuguese, Norwegian and Swedish.
Infovox iVox voices are sold per language with each language consisting of one or more male and/or female voices. All languages contain the American English Heather voice as a bonus.