11. The device of claim 10 , wherein at least one of the profile building component or the speech recognition component is further configured to: receive a second voice signal corresponding to a third utterance from the user; determine the identity of the user using the second voice signal; and perform speech recognition on the second voice signal using the acoustic model information and the language model information to obtain second speech recognition results.
10. The device of claim 4 , wherein at least one of the profile building component or the speech recognition component is further configured to: perform speech recognition on the first voice signal to obtain speech recognition results; determine acoustic model information using at least one of the first voice signal and the user information; and determine language model information using at least one of the speech recognition results and the user information.