This function returns 1 (true) if the specified language is available and set. If the TTS engine does not support the specified language 0 (false) is returned.
Accepted languages are: "English", "French", "German", "Italian" and "Spanish". Not case sensitive. Not all devices support all languages.
If not TtsSetLanguage("French") Then Print "Could not select language"
By default Text to Speech will be disabled and you must go to the Menu->More->Settings from the main console screen and enable it before use.