Digital data recording and reproducing device

Details Digital data recording and reproducing device Digital data recording and reproducing device

G - Physics

11

B

352/16, 340/74,

G11B 27/36 (2006.01) G11B 15/18 (2006.01) G11B 20/18 (2006.01) H03M 13/35 (2006.01) H04N 5/945 (2006.01)

Patent

CA 1252885

ABSTRACT OF THE DISCLOSURE A digital data recording and reproducing device is disclosed, an operation of error detection is performed with respect to data with weighting provided with a code word dissolution of M bits in upper m1 bits of the most significant bit side of great weighting and lower m2 bits of the least significant side of small weighting. Error concealment is done for each of these error detections. When reproducing data at a different tape speed from that at the time of recording, an operation of detecting an error in lower m2 bits is inhibited, and the reference of judgement of an error in the data is altered.

462421

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