Electronic device for updating target speaker using voice signal included in audio signal and target speaker updating method therefor

A method of updating a target speaker of an electronic device, the method comprising;

• based on an audio signal being received, acquiring a first audio signal by inputting information on a characteristic of a first user set as a target speaker among a plurality of users and the received audio signal to an artificial intelligence model configured to acquire a voice signal of a user from an audio signal;
• based on voice recognition based on the first audio signal failing, identifying a similarity between information on a characteristic of a second audio signal excluding the first audio signal among the received audio signals and information on characteristics of remaining users excluding the first user among the plurality of users;
• and
• changing the target speaker to a second user among the plurality of users.

A non-transitory computer readable recording medium storing computer instructions that cause an electronic device to perform an operation when executed by at least one processor of the electronic device, wherein the operation comprises;

• based on an audio signal being received, acquiring a first audio signal by inputting information on a characteristic of a first user set as a target speaker among a plurality of users and the received audio signal to an artificial intelligence model configured to acquire a voice signal of a user from an audio signal;
• based on voice recognition based on the first audio signal failing, identifying a similarity between information on a characteristic of a second audio signal excluding the first audio signal among the received audio signals and information on characteristics of remaining users excluding the first user among the plurality of users;
• and
• changing the target speaker to a second user among the plurality of users.