10. A speech recognition method, comprising: in a digital processing device coupled to a head mounted display device and disposed in a location remote from the head mounted display device, (i) recognizing a user utterance; (ii) causing an action to be performed upon recognition of the utterance as a preset speech command; (iii) supporting user-configurable speech commands; and (iv) presenting the preset speech command and an associated field to a user of the head mounted display device, and receiving a substitute speech command, from the user of the head mounted display device, entered into the associated field.
10. A speech recognition method, comprising: in a digital processing device coupled to a head mounted display device and disposed in a location remote from the head mounted display device, (i) recognizing a user utterance; (ii) causing an action to be performed upon recognition of the utterance as a preset speech command; (iii) supporting user-configurable speech commands; and (iv) presenting the preset speech command and an associated field to a user of the head mounted display device, and receiving a substitute speech command, from the user of the head mounted display device, entered into the associated field. 11. The method of claim 10 , further including, upon recognizing the substitute speech command, causing a first action to be performed, wherein the first action corresponds to the preset speech command.