1. A method to identify a spoken command and to select a responsive action from a set of predetermined actions, said method comprising the steps: 1.1 Detecting sound from the spoken command; 1.2 Analyzing the sound to detect voiced intervals containing voiced sound and unvoiced intervals containing unvoiced sound; 1.3 Comparing the order of voiced and unvoiced sound intervals in the spoken command to templates that indicate the order of voiced and unvoiced sound intervals in predetermined commands; 1.4 And, when the order of voiced and unvoiced sound intervals in the spoken command matches one of the templates, selecting that predetermined action which is associated with the matched template.