INFORMATION STORAGE MEDIUM INCLUDING DATA AREA HAVING PLURALITY OF SYNC DATA AND ADDITIONAL DATA AREA HAVING FIRST SYNC DATA AND SECOND SYNC DATA DIFFERERENT FROM THE FIRST SYNC DATA, REPRODUCING APPARATUS USING THE MEDIUM, AND METHOD OF REPRODUCING INFORMATION FROM THE MEDIUM

摘要

AN INFORMATION STORAGE MEDIUM HAS USER DATA AREAS (C) AND ADDITIONAL DATA AREAS (D), AND SYNC PATTERNS TO DISTINGUISH THE ADDITIONAL DATA AREAS (D) FROM THE USER DATA AREAS (C).THE INFORMATION STORAGE MEDIUM INLUDES A USER DATA ARES (C) IN WHICH USER DATA (11) IS RECORDED AND AN ADDITIONAL DATA AREA (D) LOCATED IN AT LEAST ONE OF AREAS BEFORE AND AFTER THE USER DATA ARE (C) SECOND SYNC PATTERNS (23) USED IN THE ADDITIONAL DATA AREA (D) ARE DIFFRENT FROM FIRST SYNC PATTERNS (13) USED IN THE USER DATA AREA (C)