Abstract: Disclosed is an electronic device recognizing an utterance voice in units of individual characters. The electronic device includes: a voice receiver; and a processor configured to: obtain a recognition character converted from a character section of a user voice received through the voice receiver, and recognize a candidate character having high acoustic feature related similarity with the character section among a plurality of acquired candidate characters as an utterance character of the character section based on a confusion possibility with the acquired recognition character.

Abstract: Disclosed is an electronic apparatus. The electronic apparatus obtains a first character string comprising a previously defined character from first user utterance; recognizes a second character string, which is edited from the first character string based on a first edition command, as an input character, based on the first user utterance comprising the first edition command following the first character string; and performs edition with regard to the second character string based on second edition command, based on second user utterance comprising the second edition command without the first edition command.

Abstract: Disclosed is an electronic device recognizing an utterance voice in units of individual characters. The electronic device includes: a voice receiver; and a processor configured to: obtain a recognition character converted from a character section of a user voice received through the voice receiver, and recognize a candidate character having high acoustic feature related similarity with the character section among a plurality of acquired candidate characters as an utterance character of the character section based on a confusion possibility with the acquired recognition character.