RECORDING METHOD AND REPRODUCTION METHOD SUITABLE FOR RECORDING/REPRODUCTION OF AV DATA, AND RECORDING DRIVE AND REPRODUCTION DRIVE, INFORMATION RECORDING SYSTEM AND INFORMATION REPRODUCTION SYSTEM, AND INFORMATION RECORDING MEDIUM FOR SUCH METHODS

摘要

In an information recording medium for recording and reproducing data thereon on a sector-by-sector basis, the recorded data being managed as at least one file by using a file structure, the file structure includes unused space management information for identifying a used region and an unused region. At least one defective region is registered as an unused region in the unused space management information, the at least one defective region being a region on the information recording medium which is incapable of proper reproduction of the recorded data.