1. A voice recognition method for an electronic apparatus, the voice recognition method comprising: receiving, by the electronic apparatus, an input voice signal of a user; determining, by the electronic apparatus, characteristics of the user based on attributes of the input voice signal; selecting, by the electronic apparatus, a voice model from a plurality of voice models stored in the electronic apparatus to determine the characteristics of the user based on the attributes of the input voice signal by comparing the voice models with the determined attributes of the input voice signal, the plurality of voice models comprising standardized attributes of respective average users and being associated with a plurality of characteristics of the respective average users; identifying, by the electronic apparatus, a user's command corresponding to the input voice signal of the user based on the determined characteristics of the user; and generating a responsive voice that is responsive to the identified user's command based on the determined characteristics of the user and the selected voice model, wherein the determined characteristics of the user correspond to an age of the user, wherein the generating the responsive voice comprises determining a tone of the responsive voice based on data stored in a storage unit, the determined tone of the responsive voice correlating with an age preferred by the user corresponding to the determined characteristics, and wherein the determined tone of the responsive voice is a higher level of tone when the age of the user is older.