Method of hiding areas on a disc like recording of the optically rewritable type

摘要

A method of preventing recording on a disc like recording medium of the optically rewritable type, the method comprising: applying a pre-groove on a the disc adapted to record data therein in accordance with a first write strategy, reserving a program calibration area (PCA) for optimum power control (OPC) and/or a program memory area (PMA) for temporarily storing a table of content (TOC) on the disc, the method further characterized by making one or both of the areas untraceable for recording devices adapted to write data on a disc in accordance with a second write strategy. Absolute time reference (ATIP) information is applied in the pre-groove on the disc, start locations of both areas are determined by a fixed time offset relative to a subsequent Lead-in area, characterized by introducing an ATIP time code jump to ATIP time codes before the start of the Lead-in area.