16. The method of claim 12 , wherein the information comprises menu information related to the menu or function.
12. A method of controlling a mobile terminal, the method comprising: initiating a voice recognition function in response to a touch input to a soft button displayed on a display of the mobile terminal or to a hard button on the mobile terminal, wherein the voice recognition function is maintained for a predetermined amount of time since the touch input to the soft button or to the hard button if there is no voice input detected by the mobile terminal during the predetermined amount of time, and wherein an audio information indicating an activation of the voice recognition function is provided; converting a voice instruction input into text in response to detection of the voice instruction input; displaying information on the display to inform execution of a menu or function of the mobile terminal associated with the voice instruction input if a recognition rate of the voice instruction input to be related to the menu or function is higher than a threshold value, wherein the recognition rate of the voice instruction input with respect to the menu or function is improved via learning from the detection of the voice instruction input and the execution of the menu or function; and executing the menu or function if the menu or function is only one among the functions or menus with the recognition rate of the voice instruction input to be related to the menu or function higher than the threshold value and displaying a plurality of menus or functions on the display if a recognition rate of the voice instruction input to be related to each of the plurality of menus or functions is greater than the threshold value, wherein one of the plurality of menus or functions is executed in response to selection of said one of the plurality of menus or functions.