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AssigneeU.S. Philips Corporation
InventorsMarten E. Van Dijk, Ludovicus M. G. M. Tolhuizen, Constant P. M. J. Baggen
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Multiword information is encoded as based on multibit symbols in relative contiguity with respect to a medium, whilst providing wordwise interleaving and wordwise error protection code facilities. This may provide error locative clues across words of multiword groups, that originate in high protectivity clue words and point to low protectivity target words. The clue words may have a first uniform size and be interspersed in a first uniform manner. The target words may have a second uniform size and be interspersed in a second uniform manner. The organization may be applied for use with optical storage. Sectors may get provisional protectivity as a low-latency error correction mechanism.
A method of encoding multiword information, wherein said method includes encoding said information as multibit symbols in relative contiguity with respect to a medium, with wordwise interleaving and wordwise error protection coding, and provides error locative clues across multiword groups, characterized in that the method comprises:
A method of decoding encoded multiword information, wherein said encoded multiword information is received as multibit symbols in relative contiguity with respect to a medium, with wordwise interleaving and wordwise error protection coding, and with error locative clues across multiword groups, and wherein the method comprises wordwise de-interleaved and decoding of the wordwise error protection coding, and evaluating the error locative clues, characterized in that the multibit information includes encoded clue words having a high level of error protection coding, and encoded target words having a lower level of protection coding, and the evaluating step comprises:
A device for encoding multiword information in the form of multibit symbols in relative contiguity with respect to a medium, comprising means for wordwise interleaving within a block, coding means for wordwise error protection code facilities, and assign means for providing error locative clues across words of a multiword group, characterized in that the assign means comprises:
A device for decoding received multiword information in the form of multibit symbols in relative contiguity within stored blocks with respect to a medium;
A physical carrier for multiword information, produced by encoding said information as multibit symbols in relative contiguity with respect to a medium of the carrier, comprising an array of wordwise interleaved and wordwise error protection coded clue words and target words, said clue words being encoded with a high level of error protection coding, and said target words being encoded with a lower level of protection coding than said clue words.
Dependencies are inferred from the claim text.