| 摘要 |
According to one embodiment, an apparatus has a buffer unit, an input/output unit, a first image recording time storage unit which accumulates an image recording time length in units of recording, and then, calculates and stores an image recording time length for a single file, a second image recording time storage unit which calculates and stores a total image recording time length of a plurality of files, an image recording time length update processing unit which updates an image recording time length component in units of recording in addition to the image recording time length for the single file and the total image recording time length, and a recording control unit which records the image recording time length for the single file and the total image recording time length in the medium.
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