1. A system comprising: a handheld remote control having a first microphone and a talk button, the handheld remote control being configured to produce a first audio signal using the first microphone in response to a first actuation of the talk button, wherein the first audio signal represents first user speech associated with a user; a stationary base device having a second microphone, the stationary base device being configured to produce a second audio signal using the second microphone in response to an utterance of a keyword, wherein the second audio signal represents second user speech associated with the user that follows the utterance of the keyword; wherein the stationary base device is further configured to receive the first audio signal from the handheld remote control; a speech service configured to receive the first audio signal and the second audio signal from the stationary base device and to engage in a speech dialog with the user to determine an intent of the user, wherein engaging in the speech dialog comprises engaging in a first dialog turn and a second dialog turn with the user; the speech service being further configured to cause an action to be performed in fulfillment of the intent of the user; wherein engaging in the first dialog turn comprises: analyzing the first audio signal to recognize the first user speech; determining a first meaning of the first user speech; generating a first speech response to the first user speech; and directing the stationary base device to play the first speech response; and wherein engaging in the second dialog turn comprises: analyzing the second audio signal to recognize the second user speech; determining a second meaning of the second user speech; generating a second speech response to the second user speech; and directing the stationary base device to play the second speech response.