US Patent 7760608 Reproducing apparatus

A recording/reproducing unit for recording/reproducing information data on/from a recording medium, an initialization unit for initializing the recording medium in one of a first initialization mode in which information data recorded in all recording areas of the recording media is erased and a second initialization mode in which management data for information data recorded on the recording medium is erased from certain areas of the recording medium and erasion is not performed on other recording areas, and a control unit for controlling the initialization unit in accordance with an instruction to shut off a power of the apparatus during initialization, wherein processing by the initialization unit is changed between a case where the power-off instruction is received during initialization in the first initialization mode and a case where the power-off instruction is received during initialization in the second initialization mode.