Excavating
Patent
1985-07-09
1988-02-23
Fleming, Michael R.
Excavating
371 39, 371 44, G06F 1110
Patent
active
047275472
ABSTRACT:
Method and apparatus for transforming a first sequence of digital data and correction words having a first ordering thereof wherein blocks of data and correction words in the first ordering are formed out of the first sequence Data and correction words are selected from the first sequence and are combined in such manner as to form a second sequence with a second ordering. First and second groups of data and correction words are selected out of the second sequence. The first and second groups have one comon word which also belongs in one of the blocks. The data groups have one common word which also belongs in one of the blocks. The data words of the first and second groups are submitted simultaneously to a checking operation. The results of this operation are evaluated to decide if erroneous data words can be corrected. The second sequence of words is corrected using the correction words indicated by the evaluation.
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patent: 4541092 (1985-09-01), Sako
patent: 4546474 (1985-10-01), Sako
patent: 4593394 (1986-06-01), Tominitsu
patent: 4606026 (1986-08-01), Baggen
Doi et al., A Format of Stationary-Head Digital Audio Recorder Covering Wide Range of Application, 1980, Audio Engineering Society Convention, New York.
Doi, A Design of Professional Digital Audio Recorder, 1982 Audio Engineering Society Convention, New York.
Fleming Michael R.
Willi Studer
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