Apparatus for recording and reproducing data

Details Apparatus for recording and reproducing data Apparatus for recording and reproducing data

G - Physics

11

B

352/19.6

G11B 20/10 (2006.01) G06F 12/14 (2006.01) G11B 20/12 (2006.01) G11B 20/18 (2006.01) G06F 1/00 (2006.01)

Patent

CA 1287166

ABSTRACT OF THE DISCLOSURE A recording and reproducing apparatus comprising a memory for storing input data to be recorded in units of a predetermined quantity, a first address control means for generating only sequential memory addresses, a second address control means for generating non-sequential memory addresses, and means for adding a redundant bit such as an error correcting code and so on to each predetermined quantity unit of data, wherein when the input data has no correlation with adjacent input data, the input data is sequentially written in the memory by the first address control means, read out therefrom, added with the redundant bit, and sequentially recorded on the recording medium without changing the order of the inputted data, while when the input data has a correlation with adjacent input data, the input data is written in the memory by the second address control means in scrambled form, read out therefrom, as scrambled, and then the scrambled data is added to the redundant bit and recorded on the recording medium. Essentially the reverse operation takes place upon reproduction of the recorded signals.

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