To solve a problem of interruption or stop of recording when data requiring a real time property are recorded.
This data recording device is provided with a recording medium check means 106 checking an available data area status in a plurality of removable recording mediums 101-103 to be used for recording data and outputting availability information showing an available status, a recording area determination means 107 determining a high-speed recordable area and a low-speed recording area in a plurality of recording mediums 101-103 based on availability information outputted by the recording medium checking means 106 and the recording condition 109 and deciding an area for recording data, and a recording means 105 recording data in the area decided by the recording area determination means 107. In this way, the data recording device can records data without interruption.
Hiroki Naito
Daisuke Nagano
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