ELECTRONIC APPARATUS, CONTROLLING METHOD AND COMPUTER READABLE MEDIUM

An electronic apparatus is provided. The electronic apparatus includes an inputter comprising input circuitry, a voice receiver comprising voice receiving circuitry, a storage, and a processor configured to: provide a guide prompting a user utterance based on user authentication being performed according to user information input through the inputter, generate a speaker recognition model corresponding to the user information based on a voice corresponding to the guide being received through the voice receiver, store the speaker recognition model in the storage, and identify a user corresponding to a voice received through the voice receiver based on the speaker recognition model updated by comparing a voice received through the voice receiver with the speaker recognition model.