1. A method, comprising: setting, by a computing device, a time threshold, the time threshold indicating a predetermined amount of time; receiving, by the computing device, an indication of user input to prompt the computing device to detect a plurality of audio samples; responsive to determining that the predetermined amount of time has elapsed and that the computing device has received no audio command executable by the computing device since receipt of the indication of user input, outputting, for display, an indicator associated with at least one audio command executable by the computing device; receiving, at the computing device, the plurality of audio samples; generating, at the computing device and based on the plurality of audio samples, information indicative of a speech pattern of the user, the information indicative of the speech pattern of the user being based on lengths of pauses between words detected in the plurality of audio samples; and updating, by the computing device and based on the information indicative of the speech pattern of the user, the predetermined amount of time indicated by the time threshold.