Short description of MorphVOX - Voice Changer 2.9.8: Voice changing software for online games. MorphVOX Voice Changer will change the way you play games and chat. Change your voice to enhance your online gaming experience or to disguise your age, gender or identity. MorphVOX is optimized for online games, but is also is great for prank calling friends via instant messaging and VoIP. This voice changer can even send out belches and drum rolls with a push of a key, mouse or joystick button.