DATA RECORDING DEVICE

PROBLEM TO BE SOLVED: To make it possible to further record and reproduce new data even when the number of data file exceeds the upper limit of standard in a data recording device for recording digital data into a memory.SOLUTION: A data recording device includes a data recording control part for recording voice data and/or moving image data input from recording start operation to recording completion operation into a memory as one data file and a file management control part for preparing a management data file made of management data of one or a plurality of data files recorded in the memory. The file management control part retrieves a plurality of data files 91 to 93 recorded in the same period from a plurality of data files recorded in the memory when the number of data files recorded in the memory exceeds a threshold and combines the retrieved plurality of data files 91 to 93 into one data file 94.