1. A system for operating one or more devices using speech input, comprising: a receiver for receiving a speech input including at least one of an isolated speech input and a continuous speech input; a controller in communication with said receiver; software executing on said controller for converting the speech input into computer-readable data; a command menu including a plurality of command menu levels; software executing on said controller for generating a set of active commands, the active commands selected from at least two different levels of said command menu; software executing on said controller for querying the set of active commands to identify one active command represented by the computer-readable data if the speech input includes isolated speech input and at least two active commands represented by the data if the speech input includes continuous speech input, each of the at least two active commands from a different command menu level; and software executing on said controller for implementing the one or more identified active commands via one or more devices operable by the system.