INFORMATION STORAGE MEDIUM STORING METADATA AND METHOD OF PROVIDING ADDITIONAL CONTENTS, AND DIGITAL BROADCAST RECEPTION APPARATUS

摘要

Disclosed are an information storage medium storing metadata for providing additional content during a broadcast program, the metadata including information indicating whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, and a locator of the second additional content, a method of providing additional content by using the same, and a digital broadcast reception apparatus.