A method for successively recording data in a hybrid digital recorder. If an optical disc (10) has no redundant area when a hybrid digital recorder in which an optical disc recorder (12) and an HDD recorder (14), etc. are integrated in one body records an input data stream on the optical disc (10), the input data stream is temporarily stored in an HDD (13). If the optical disc (10) is replaced with a new optical disc, the input data stream is temporarily stored in the HDD (13), and at the same time the data stream having been temporarily stored in the HDD (13) is read and recorded on the new optical disc (10) at a high speed. If all the data streams temporarily stored in the HDD (13) are read and recorded on the new optical disc (10), the following data stream is recorded on the new optical disc (10). Therefore, an external input data stream such as a long-term broadcast program is distributed to a plurality of optical discs (10), and is stored on the optical discs without (10) generating any lost data.
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