Displays a character string representing content of speech in synchronization with reproduction of the speech. An apparatus includes: a unit for obtaining scenario data representing the speech; a unit for dividing textual data resulting from recognition of the speech to generate pieces of recognition pieces of recognition data; a unit for detecting in the scenario data a character matching each character contained in each piece of recognition data for which no matching character string has been detected to detect in the scenario data a character string that matches the piece of recognition data; and a unit for setting the display timing of displaying each of character strings contained in the scenario data to the timing at which speech recognized as the piece of recognition data that matches the character string is reproduced.