Encoding device and decoding device suitable for dubbing

Details Encoding device and decoding device suitable for dubbing Encoding device and decoding device suitable for dubbing

1994-09-30

2000-04-25

Le, Dieu-Minh T.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714751, 714762, G06F 1100

Patent

active

060556641

ABSTRACT:
Where a recording medium recorded on a slave side apparatus is reproduced, it has been made possible to perform on site modification processing identical to that conducted at a master side apparatus, by reproducing, the primary information added with parity symbol for error correction from the recording medium on which the primary information is recorded, correcting the symbol error of primary information reproduced at the reproducing unit using the reproduced parity symbol, producing the flag which indicates the production of an uncorrectable symbol error in one unit of a block of a specified amount of information and thus outputting the modification information corresponding to the primary information and the flag and forming, at the slave side, the parity symbol for correction of error of primary information output at the master side apparatus and recording the primary information with the parity symbol and modification information, on the same recording medium. It has also become possible to conduct satisfactory modification processing when the symbol error is produced.

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