| 摘要 |
A data recorder that prevents buffer underrun errors includes a buffer memory for temporarily storing data to be written to a recording medium and an address memory connected to a buffer memory. The address memory stores an address of the recording medium or an address of the buffer memory when data writing is interrupted. A synchronizing circuit sequentially reads data from the medium and data stored in the buffer memory prior to the interruption and synchronizes the read and stored data. A restart circuit restarts data writing when an address of data read from the medium or an address of data read from the buffer memory matches the address stored in the address memory.
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