1. A method for identifying a user group in connection with user group-based speech recognition, the method comprising acts of: receiving, from a user, by at least one computer, a user group identifier, wherein the user group identifier identifies a user group to which the user was previously assigned prior to the receiving of the user group identifier by the at least one computer, wherein the assignment of the user to the user group was based on training data comprising at least one speech utterance from the user, wherein the user group identifier is shared by each of a plurality of individuals assigned to the user group based on one or more similar speech characteristics, and wherein the user group identifier uniquely identifies a pattern processing data set shared by each of the plurality of individuals, including the user, that are assigned to the user group via the user group identifier; selecting, using at least one computer, the pattern processing data set identified by the user group identifier corresponding to the user group; and receiving speech input from the user to be recognized using the pattern processing data set using at least one computer.