G - Physics – 06 – F
Patent
G - Physics
06
F
354/223, 354/229
G06F 11/10 (2006.01) G11B 20/10 (2006.01) G11B 20/18 (2006.01) G11B 27/036 (2006.01) G11B 27/32 (2006.01) G11B 27/032 (2006.01)
Patent
CA 1171538
38/SO1434 S81P63 ABSTRACT OF THE DISCLOSURE Electronic editing of a recording digital signal is carried out such that any errors created by the editing process are correctable. The digital signal is given protection from errors, for example by a cross-interleaving technique, so that m-tupple errors in a code sequence length can be corrected when the signal is reproduced. The edit cut-in and cut-out points are controlled so that if multiple editing is carried out, fewer than m+l errors will be generated, and the edited signal will be free of clicks caused by uncorrectable error. The permitted points for cut-in and cut-out can be separated by a distance greater than the code sequence length. Alternatively, if cross-interleaving is carried out such that digital words are grouped into blocks and provided with respective different delays that are integral multiples of D block lengths, the interval between such points can be selected to correspond to T block lengths, such that the least common multiple of D and T is greater than the code sequence length. -i-
383392
Gowling Lafleur Henderson Llp
Sony Corporation
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