Method of verifying defect management area information of disc and test apparatus for performing the same

Abstract From the Canadian patent

A method of verifying that a disc recording and reproducing apparatus normally generates or updates defect management area (DMA) information in a supplementary spare, area extension mode and a test apparatus therefore. The method includes extending the, supplementary spare area of a test disc in the recording and reproducing apparatus using the, test disc with test reference information and generating test information from the test disc; and, comparing reference information expected from the test reference information with the test, information and providing the result of verification of the test information. Accordingly, a, DMA information generation or updating function of the …