Data recording method
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United States of America Patent
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Sep 2, 2003
Grant Date -
Sep 19, 2002
app pub date -
Mar 13, 2002
filing date -
Mar 19, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A data recording apparatus reverses the bit order of each of n-bit codes assigned respectively to 2.sup.n frame data in the order of a normal-speed play, rearranges the frame data based on the reversed n-bit codes, and then records the rearranged frame data in that order onto a recording medium. A data reproducing apparatus reads out, from the recording medium, frame data corresponding in number to the reciprocal of the multiple in an aimed play speed and stored the read-out frame data in a buffer memory or the like. The data reproducing apparatus then reads out the stored frame data from the buffer memory or the like in a predetermined order in accordance with the aimed play speed. The data reproducing apparatus can realize such a high-speed play as were more than its data read performance. Besides, wasteful operations in a high-speed play can be eliminated and the load on the reading head unit of the data reproducing apparatus can be relieved.
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