| 摘要 |
An information recording and reproducing apparatus suitable for real time recording and reproduction for a disk formatted in an MCAV system is provided. In a reproduction mode, reproduced data is supplied to a buffer memory in synchronism with a clock signal whose frequency varies with a transfer speed of the reproduced data, and the reproduced data is outputted from the buffer memory in synchronism with a clock signal of a constant frequency. In this manner, the reproduced data of a constant transfer speed is produced. In a record mode, recording data is supplied to the buffer memory in synchronism with a clock signal of a constant frequency and it is outputted from the buffer memory in synchronism with a clock signal of a variable frequency, and it is recorded on the disk. In this manner, the recording data of the constant transfer speed is recorded on the disk formatted in the MCAV system. <IMAGE>
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