Information recording/reproducing apparatus, and information recording medium
A technology for information recording and information reproduction, which is applied in digital recording/reproduction, recording signal processing, data recording, etc., and can solve the problem of wasting recording capacity of only reproducing information recording media
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no. 2 example
[0127] 9 is a diagram illustrating a situation where a link block is inserted at a boundary portion between recorded data and additional data on a DVD-RW / DVD-R as an optical disc according to a second embodiment of the present invention. Incidentally, the functional block diagram of the information recording / reproducing apparatus 1A according to the second embodiment is the same as the functional block diagram of the information recording / reproducing apparatus 1 according to the first embodiment, and thus the explanation of the functional block diagram of the information recording / reproducing apparatus 1A is omitted. .
[0128] As explained in the first embodiment, the linking block has the basic task of keeping the additional data separated from the recorded data at a predetermined interval when recording the additional data on the recording optical disc 2 such as DVD-RW / DVD-R, etc. . However, in this embodiment, the link blocks are formed on the reproduction-only optical di...
no. 1 example
[0147] Like the first embodiment, the PLL 14 inputs a binary signal therein so as to sample a clock synchronized with the reproduced signal.
[0148] The hold signal generation section 15 generates a hold signal based on the SYX detection signal output from the synchronization detection section 13 to supply the hold signal to the PLL 14 . The hold signal is a signal suitable for controlling the state of the PLL error signal, and suitable for distinguishing a predetermined time during which the level of the PLL error signal in the link block is held.
[0149] Then, hold the waveform pattern in the signal shown in Figure 11. The hold signal has such a waveform pattern that the signal rises at timing t1 at which the SYX detection signal falls so as to maintain a high level until a predetermined hold time Ta elapses, and then, after elapse of a predetermined hold time Ta, the signal falls at timing t2 where the hold time Ta Defined as the elapsed time from t1 to t2. As shown at ...
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