DEVICE AND METHOD FOR ENCODING INFORMATION, AND DEVICE AND METHOD FOR REENCODING INFORMATION

PROBLEM TO BE SOLVED: To provide an information reencoding device capable of shortening the time for generating a plurality of pieces of second encoding information from a plurality of pieces of the first encoding information. SOLUTION: This information reencoding device generates a plurality of thi...

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Bibliographische Detailangaben
Hauptverfasser: KATO HISAE, YAMAMOTO GIICHI, ITOU MOTOYUKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an information reencoding device capable of shortening the time for generating a plurality of pieces of second encoding information from a plurality of pieces of the first encoding information. SOLUTION: This information reencoding device generates a plurality of third scramble patterns by computing a plurality of first scramble patterns by a second method with respect to a plurality of second scramble patterns and generates a plurality of pieces of second scramble information by computing a plurality of pieces of third scramble patterns by a first method with respect to a plurality of pieces of first scramble information. COPYRIGHT: (C)2005,JPO&NCIPI