To provide a digital apparatus for separating the file data input via a 1394 Camera Storage into additional information and data and recording the file data to a disk, the areas of which are separated into additional information areas and data areas so as to update management files of disk contents.

The digital apparatus discriminates whether or not data input from a 1394 terminal include additional information, uses a unit in a camera image recording and disk data reproduction circuit to record the additional information and data, to separate areas thereby updating the management files.