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Reproduction of information using a ring buffer with read and write pointers separated from each other by substantially half of the total ring buffer capacity
Reproduction of information using a ring buffer with read and write pointers separated from each other by substantially half of the total ring buffer capacity
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机译:使用环形缓冲区来复制信息,环形缓冲区的读写指针之间至少相隔环形缓冲区总容量的一半
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摘要
A data reproducing method and apparatus for providing special reproductions such as a reverse reproduction quickly when it is specified. In the data reproducing apparatus comprising a demodulator for demodulating data read out of a digital video disk by a pickup, a buffer for temporarily storing the demodulated data and a decoder for decoding the data read out of the buffer into original video signals, further included is a control circuit for controlling the buffer so that an unread data area and an already-read data area in the buffer take about half of the total memory capacity, respectively. As a result, the data necessary for reverse reproduction or the like is present in the buffer, allowing the special reproduction to run quickly.
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