1. A method for controlling a computing system using a set of voice commands, comprising: displaying one or more objects on a display monitor; receiving body position data from a sensor; recognizing a gesture in relation to the one or more objects based on the received body position data; choosing a subset of the set of sound commands based on the recognized gesture, the set of sound commands includes multiple subsets, each subset is associated with one or more gestures and sound command recognition data for the respective subset; loading sound command recognition data for the chosen subset of sound commands; receiving sound input from a microphone; recognizing a sound command from the sound input using the loaded sound command recognition data; and performing an action in response to the recognized sound command.