15. The computer-readable medium of claim 13 , wherein the operations further comprise, while the client device is in the first mode, receiving an utterance of the first user in the first language; and outputting an audio signal encoding the translation of the transcribed text of the first user that is in the second language.
16. The computer-readable medium of claim 15 , wherein the operations further comprise, while the client device is in the first mode, translating, at the client device, the utterance of the first user into the second language.