Cognitive Emotion in Speech Interactive Games

This paper falls into the category of human computer interaction. Here the focus lies in injecting emotions into the non-player characters (NPC) in reaction to the emotion of the player in computer games. The idea of injecting emotion into games has been a popular topic for discussion in the games industry today. The paper reviews the emotional side of games from both the game side and the human player side, considering speech style and content, facial expressions and gestures. The emotional content is encapsulated within an XML and an associated finite state automaton.