Responding Heads is a program for PC control by voice already a lot, but more interesting is that acts in conjunction with talking heads, talking to front of the monitor.
With this method, you can start programs utill the system, place orders and actions, always run your voice from the microphone of the computer. The actions include the keyboard, typing RATE FOR pre-established and also converts text to speech.
The program uses an advanced physics engine Voice Recognition Easy to configure. When you decide to use Responding Heads you'll see a small animated head on your desktop that confirms such orders and an option, add some animation and effects processes.