METHOD FOR PROVIDING ADDITIONAL INFORMATION OF BROADCASTING CONTENTS AND SYSTEM THEREOF

摘要

PURPOSE: An additional information providing method of broadcasting contents and a system thereof are provided to transmit additional information about watching content to a terminal on which the content is displayed. CONSTITUTION: A voice feature extraction server(140) transmits voice feature information corresponding to voice feature data received from a viewer terminal(150-m) among at least one voice feature information to the viewer terminal. The viewer terminal determines a temporal position corresponding to the voice feature data from the received voice feature information. The viewer terminal displays additional information corresponding to the temporal position. [Reference numerals] (140) Voice feature extraction server; (150-m) Viewer terminal; (AA) No; (BB) Yes; (CC) End; (S710) Additional information receiving mode?; (S720) Extracting and transmitting n-th voice feature data from an input audio signal; (S730) Detecting n-th voice feature information corresponding to the n-th voice feature data; (S740) Transmitting the searched n-th voice feature information; (S750) Determining an n-th temporal position using the n-th voice feature information and the n-th voice feature data; (S760) Requesting additional information corresponding to the n-th temporal position; (S770) Transmitting the additional information; (S780) Displaying the additional information