Recording and/or reproducing apparatus, portable recording and reproducing apparatus, data transfer system, data transfer method, and data recording and reproducing method

摘要

A recording and/or reproducing apparatus for recording and/or reproducing data to and/or from a recording medium having a data area in which data are stored and a management data area in which management data for managing these data. The apparatus according to the invention has a selecting means, a reading means, and a transfer means. The selecting means selects, in accordance with a user operation, group management data to be stored in the recording medium. The group management data are stored in the management data area and manage, as a data group, plural data stored in the data area. The reading means reads the selected group management data and the data group managed thereby. The transfer means transfers the read group management data and the read data group managed thereby to an external device.