Digital data recording and reproducing apparatus with reliable e

Details Digital data recording and reproducing apparatus with reliable e Digital data recording and reproducing apparatus with reliable e

1997-02-03

1999-01-05

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360 48, 371 317, 371 401, G11B 509, G11C 2900, H03M 1300

Patent

active

058568905

ABSTRACT:
Input digital data are formatted into a data block composed of a predetermined amount of data, subjected to error correction encoding process, and recorded on a predetermined number of continuous tracks of a recording medium. In the error correction encoding process, the data block is subjected to an inter-track error correction encoding, an outer error correction encoding and an inner error correction encoding. In the inter-track error correction encoding, each information element to be coded is produced by symbols collected from the data which are to be recorded on different tracks of the continuous tracks. The error correction encoded data in the data block are distributed to a first predetermined recording area of each track of the continuous tracks, and parity code words produced by the inter-track error correction encoding are distributed to a second predetermined recording area of each track of the continuous tracks.

REFERENCES:
patent: 5008764 (1991-04-01), Yoshida et al.
patent: 5432800 (1995-07-01), Kuroda et al.
"Designing a Data Storage Format for Digital Audio Tape (DAT)", Odaka et al., Aug. 25, 1988, pp. 1-22, A1-B6, c1-c3.

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