1. One or more non-transitory computer-readable media storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising: receiving a designation of content having user-selectable elements; analyzing the content to identify an audio command corresponding to one or more user-selectable elements of the user-selectable elements, the audio command being identified based at least in part on an acoustic differentiation between the audio command and a different audio command meeting or exceeding a threshold; receiving a signal associated with an utterance of a user, the signal generated by a microphone associated with a device; analyzing the signal associated with the utterance to determine the audio command; and responding to the utterance in accordance with a user-selectable element of the one or more user-selectable elements corresponding to the audio command, the responding including causing information associated with the audio command to be visually output via a projector associated with the device.
1. One or more non-transitory computer-readable media storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising: receiving a designation of content having user-selectable elements; analyzing the content to identify an audio command corresponding to one or more user-selectable elements of the user-selectable elements, the audio command being identified based at least in part on an acoustic differentiation between the audio command and a different audio command meeting or exceeding a threshold; receiving a signal associated with an utterance of a user, the signal generated by a microphone associated with a device; analyzing the signal associated with the utterance to determine the audio command; and responding to the utterance in accordance with a user-selectable element of the one or more user-selectable elements corresponding to the audio command, the responding including causing information associated with the audio command to be visually output via a projector associated with the device. 27. The one or more non-transitory computer-readable media of claim 1 , wherein analyzing the content to identify the audio command comprises excluding audio commands having a different acoustic differentiation that is less than the threshold.