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, a user group identifier that identifies a user group to which the user was previously assigned based on training data, the user group comprising a plurality of individuals including the user; using the user group identifier, identifying a pattern processing data set corresponding to the user group; and receiving speech input from the user to be recognized using the pattern processing data set.