APPARATUS AND METHOD FOR DETECTING OUTPUT ERROR OF AUDIOVISUAL INFORMATION OF VIDEO CONTENTS

摘要

PURPOSE: An apparatus for detecting output error of audiovisual information of a video content and a method thereof are provided to reduce the generation of sync error of caption and audio data. CONSTITUTION: A voice extraction unit(220) checks the start time and the finish time of the voice signal from the audio signal of a video content. A subtitle detection unit(230) detects a character string from a designated subtitle area of the video content. A subtitle synchronization decision unit(240) compares the start time and a start flag. The caption synchronization determining unit compares the finish time and an ending flag.