Sound:

The sound for the animation can either come from a text-to-speech engine or from recorded speech. 

Animation Commands:

Animation Commands are the instructions make the lip synchronized animations, head motions, eye blinking etc. There are many alternative ways to create animation commands.  To make animation commands it is necessary to involve 3rd party software; either text-to-speech software (TTS) or software that is able to find the phonemes of spoken sentences (a "phoneme recognizer"). inovani has at present used eight different TTS systems and phoneme recognizers to generate animation commands.