method and apparatus to button input with voice synthesis system

PURPOSE: A button input apparatus and method using a voice synthesis are provided to allow a user to input a button accurately even when the user is driving a car or an eye handicapped person uses a mobile phone by accurately selecting a desired button without identifying the button with his or her eyes. CONSTITUTION: When a user selects a button, the user's touch is sensed by a sensor attached on the button. As the button touch by the user is sensed, a microprocessor outputs a pertinent number or a function in voice. The user listens to the voice and identifies whether his or her desired button has been correctly selected. If the user identifies that the button is a button desired to be depressed the user depresses the corresponding button, so that the desired number or function is performed.