Then, you must download at least one speech engine to run Voiced Keyboard.
Text-to-Speech Engine 1 (Selective, 2.32M) (Include voices of Mary, Mary in Space, Mary in Hall, Mary in Stadium, Female Whisper, Robosoft Four, Robosoft Five, Robosoft Six.)
Text-to-Speech Engine 2 (Selective, 7.31M) (Include Mary, Mary for Telephone, Mike, Mike for Telephone, Sam, etc..)
Lernout & Hauspie TTS Engines for additional languages may be downloaded from the table below. You will need to download and install both the TTS Engine and the Language Add-On.