Mobile terminal for matching displayed text with recorded external audio and method of controlling the mobile terminal

A mobile terminal comprising:

• a recording function unit that records external audio;
• a touch screen;
• and
• a controller configured to:
• control the touch screen to display visual information comprising text and a graphic object for receiving a request for recording of the external audio;
• perform, in response to a selection of the graphic object, the recording of the external audio in a state in which the visual information is displayed;
• receive a touch input starting from the graphic object and ending at a region at which the visual information is displayed;
• match a specific portion of the text displayed at the region with a specific portion of the external audio that was recorded at a point in time at which the touch input starting from the graphic object was received;
• control the touch screen to highlight the display of the specific portion of the text to indicate an existence of the match of the specific portion of the text with the specific portion of the recorded external audio;
• and
• output the specific portion of the recorded external audio when the highlighted display of the specific portion of the text is touched after the recording of the external audio is completed.