25. A client device comprising: one or more processors and one or more storage devices storing instructions that are operable, when executed by the one or more processors, to cause the one or more processors to perform operations comprising: receiving an utterance at a client device; obtaining, at the client device, location indicia for an area within a building where the utterance was spoken; communicating, from the client device to a server, data corresponding to the utterance and the location indicia for the area within the building where the utterance was spoken; and receiving, at the client device, a transcription of the utterance, wherein the transcription of the utterance was generated using a composite model, and wherein the composite model was generated using one or more selected models associated with one or more predetermined areas of the building, each of the one or more selected models being selected based on a likelihood that the utterance was spoken in the corresponding predetermined area of the building.
25. A client device comprising: one or more processors and one or more storage devices storing instructions that are operable, when executed by the one or more processors, to cause the one or more processors to perform operations comprising: receiving an utterance at a client device; obtaining, at the client device, location indicia for an area within a building where the utterance was spoken; communicating, from the client device to a server, data corresponding to the utterance and the location indicia for the area within the building where the utterance was spoken; and receiving, at the client device, a transcription of the utterance, wherein the transcription of the utterance was generated using a composite model, and wherein the composite model was generated using one or more selected models associated with one or more predetermined areas of the building, each of the one or more selected models being selected based on a likelihood that the utterance was spoken in the corresponding predetermined area of the building. 26. The client device of claim 25 , wherein the location indicia comprises location data based on short-range wireless radio transmissions received at the client device.