An electronic device for providing content including an image and a voice is disclosed. The electronic device comprises: a display configured to display an image; a memory in which a voice recognition module including various executable instructions is stored; and a processor configured to acquire expected words that will possibly be included in a voice, based on information about content, using the expected words to perform voice recognition for the voice through the voice recognition module, and displaying, on the display, text converted from the voice based on the voice recognition.