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    • 5. 发明专利
    • Encoding device, decoding device, method, and information recording and reproducing device
    • 编码设备,解码设备,方法和信息记录和再现设备
    • JP2008011205A
    • 2008-01-17
    • JP2006179906
    • 2006-06-29
    • Toshiba Corp株式会社東芝
    • KONDO YOSUKEYOSHIDA KENJI
    • H03M13/19G11B20/14G11B20/18H03M7/14
    • H03M13/1102G11B20/10055G11B20/10296G11B20/1426H03M5/145H03M13/31
    • PROBLEM TO BE SOLVED: To provide a device which can have an environment wherein an LDP code is interleaved without ruining RLL rules and its capability of correcting an LDPC coding/decoding method can be fully exercised.
      SOLUTION: The encoding device comprises an RLL rule applier 11 which processes user data by applying the RLL rules to obtain RLL-encoded data sequences; interleaver 12 which interleaves the RLL-encoded data sequences to obtain interleaved data sequences; LDPC parity generator 13 which carries LDPC encoding on the interleaved data sequences to obtain LDPC parity data sequences; inserter 14 which inserts a parity of the LDPC parity data sequences into the RLL-encoded data sequences in a distributed manner to obtain output data; and outputting portion 15 which records or sends out the output data.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种可以具有LDP代码被交织而不破坏RLL规则的环境的设备,并且可以充分地执行其对LDPC编码/解码方法的校正能力。 解决方案:编码设备包括RLL规则施加器11,RLL规则施加器11通过应用RLL规则来处理用户数据以获得RLL编码的数据序列; 交织器12,其交织RLL编码数据序列以获得交织的数据序列; LDPC奇偶校验生成器13,其对交织的数据序列进行LDPC编码,以获得LDPC奇偶校验数据序列; 插入器14,其以分布式方式将LDPC奇偶校验数据序列的奇偶校验插入到RLL编码数据序列中,以获得输出数据; 以及输出部15,其输出输出数据。 版权所有(C)2008,JPO&INPIT