Defect Management Capabilities of Various DVD Technologies

Interchange of read-only, recordable, and rewritable media is possible because all DVD discs have a common physical data structure. This report supports five important conclusions. Compatibility issues caused by different DVD formats are resolved in many current drives, All DVD discs contain bytes capable of detecting and correcting errors from most defects, Readability of discs with severe defects in data areas is unpredictable because drives differ, Rewritable discs can employ defect management to relocate data to defect-free areas and Only DVD-RAM currently offers comprehensive, drive-based defect management.

Provided by: Media Sciences Topic: Software Date Added: May 2003 Format: PDF

Find By Topic