SIGNAL PROCESSING METHOD FOR DETERMINING AUDIENCE RATING OF MEDIA, AND ADDITIONAL INFORMATION INSERTING APPARATUS, MEDIA REPRODUCING APPARATUS AND AUDIENCE RATING DETERMINING APPARATUS FOR PERFORMING THE SAME METHOD

摘要

Provided are a signal processing method for determining an audience rating of media, and an additional information inserting apparatus, a media reproducing apparatus and an audience rating determining apparatus for performing the same method. In detail, the signal processing method for determining an audience rating of media is a method that may determine an audience rating of media with respect to a whole section of an audio signal by inserting additional information into a silence section through a noise signal.