Patent ID: 7487306

Claim:
A device for recording information in blocks having logical addresses on a record carrier, the device comprising: recording means for recording marks in a track on the record carrier representing the information, and control means for controlling the recording by locating each block at a physical address in the track, the control means comprising: addressing means for translating the logical addresses into the physical addresses and vice versa in dependence of defect management information, defect management means for detecting defects and maintaining the defect management information, the defect management information including assignment information indicative of assignment of physical addresses in first parts of the track to at least one user data area, assignment of physical addresses in second parts of the track to defect management areas and assignment of the defect management information to the defect management areas, and the defect management information including remapping information indicative for translating a logical address initially mapped to a physical address exhibiting a defect to an alternate physical address in a defect management area, data type detection means for detecting a data type of recorded information including a streaming type for real-time data, or non-streaming type for random data, and defect management area reassignment means for changing said assignment information in dependence of the data type recorded on the record carrier including assigning a defect to a first defect management area for information of the streaming type, or to a second defect management area for information of the non-streaming type, and double assigning by remapping a same defect to both the first defect management area and the second defect management area.