INFORMATION RECORDING MEDIUM, RECORDER AND RECORDING METHOD FOR INFORMATION RECORDING MEDIUM, REPRODUCTION APPARATUS AND REPRODUCTION METHOD FOR INFORMATION RECORDING MEDIUM, COMPUTER PROGRAM FOR CONTROLLING RECORD OR REPRODUCTION, AND DATA STRUCTURE CONTAINING CONTROL SIGNAL

摘要

PROBLEM TO BE SOLVED: To provide an information recording medium which makes it possible to efficiently retrieve an updated defect list, a recorder and a recording method for recording the record data to the information recording medium, a reproducing apparatus and a reproducing method for reproducing the record data recorded on the information recording medium, a computer program for the recorder or the reproduction apparatus, and a data structure including a control signal for controlling record or reproduction. SOLUTION: The information recording medium (100) is provided with: a user data area (108) for recording therein record data; a plurality of temporary defect management areas (104, 105) for temporarily recording therein defect management information which serves as a basis of defect management for a defect in the data area; and a flag area (111) for recording therein distinction information for distinguishing a temporary defect management area in which the defect management information that is effective is recorded from the plurality of temporary defect management areas. COPYRIGHT: (C)2007,JPO&INPIT