39. The device of claim 32 , wherein the communication unit is further configured to receive, from the server, one or more server sound models similar to the input sound model, and further comprising: a database updating unit configured to update the client database based on the second label and the one or more server sound models.
39. The device of claim 32 , wherein the communication unit is further configured to receive, from the server, one or more server sound models similar to the input sound model, and further comprising: a database updating unit configured to update the client database based on the second label and the one or more server sound models. 40. The device of claim 39 , wherein the communication unit is further configured to receive, from the server, at least one of location information or time information associated with each of the one or more server sound models, and wherein the database updating unit is further configured to update the client database based on the at least one of the location information or the time information associated with the one or more server sound models.