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    • 1. 发明申请
    • Rate-13/15 maximum transition run code encoding and decoding method and apparatus
    • Rate-13/15最大过渡码编码和解码方法及装置
    • US20050174262A1
    • 2005-08-11
    • US11031529
    • 2005-01-10
    • Jun LeeJoo-hyun LeeKyu-suk LeeJae-jin Lee
    • Jun LeeJoo-hyun LeeKyu-suk LeeJae-jin Lee
    • G11B20/10G11B20/14H03M5/14H03M7/00
    • H03M5/145G11B20/1426G11B2020/1434G11B2020/1446
    • Provided are a rate 13/15 MTR code encoding/decoding method and apparatus. The encoding method includes: generating a predetermined rate-13/15 MTR code in which 13-bit data corresponds to 15-bit data; outputting input 13-bit data as a 15-bit codeword according to the rate-13/15 MTR code; checking whether codewords satisfy a predetermined constraint condition by connecting the 15-bit codeword and a subsequent 15-bit codeword; and converting specific bits of the codewords if the codewords violate the constraint condition and not converting the codewords if the codewords do not violate the constraint condition. The rate-13/15 MTR (j=2, k=8) code includes: 8192 codewords obtained to prevent the number of consecutive transitions from becoming 3 at code boundaries in a modulation coding process. Data can be reliably reproduced with high write density, and a large amount of data can be stored in and reproduced from a magnetic recording information storage medium.
    • 提供了一种速率13/15的MTR码编码/解码方法和装置。 编码方法包括:生成13比特数据对应于15比特数据的预定速率-13 / 15MTR码; 根据速率-13 / 15MTR码输出13位数据作为15位码字; 通过连接15位码字和随后的15位码字来检查码字是否满足预定约束条件; 以及如果所述码字违反所述约束条件并且如果所述码字不违反所述约束条件则不转换所述码字,则转换所述码字的特定比特。 速率-13 / 15MTR(j = 2,k = 8)码包括:8192个码字,用于防止在调制编码过程中在码边界处连续转换的数量变为3。 可以以高写入密度可靠地再现数据,并且可以将大量数据存储在磁记录信息存储介质中并从磁记录信息存储介质再现。
    • 2. 发明授权
    • Rate-13/15 maximum transition run code encoding and decoding method and apparatus
    • Rate-13/15最大过渡码编码和解码方法及装置
    • US07057536B2
    • 2006-06-06
    • US11031529
    • 2005-01-10
    • Jun LeeJoo-hyun LeeKyu-suk LeeJae-jin Lee
    • Jun LeeJoo-hyun LeeKyu-suk LeeJae-jin Lee
    • H03M7/00
    • H03M5/145G11B20/1426G11B2020/1434G11B2020/1446
    • Provided are a rate 13/15 MTR code encoding/decoding method and apparatus. The encoding method includes: generating a predetermined rate-13/15 MTR code in which 13-bit data corresponds to 15-bit data; outputting input 13-bit data as a 15-bit codeword according to the rate-13/15 MTR code; checking whether codewords satisfy a predetermined constraint condition by connecting the 15-bit codeword and a subsequent 15-bit codeword; and converting specific bits of the codewords if the codewords violate the constraint condition and not converting the codewords if the codewords do not violate the constraint condition. The rate-13/15 MTR (j=2, k=8) code includes: 8192 codewords obtained to prevent the number of consecutive transitions from becoming 3 at code boundaries in a modulation coding process. Data can be reliably reproduced with high write density, and a large amount of data can be stored in and reproduced from a magnetic recording information storage medium.
    • 提供了一种速率13/15的MTR码编码/解码方法和装置。 编码方法包括:生成13比特数据对应于15比特数据的预定速率-13 / 15MTR码; 根据速率-13 / 15MTR码输出13位数据作为15位码字; 通过连接15位码字和随后的15位码字来检查码字是否满足预定约束条件; 以及如果所述码字违反所述约束条件并且如果所述码字不违反所述约束条件则不转换所述码字,则转换所述码字的特定比特。 速率-13 / 15MTR(j = 2,k = 8)码包括:8192个码字,用于防止在调制编码过程中连续转换的数目在码边界处变为3。 可以以高写入密度可靠地再现数据,并且可以将大量数据存储在磁记录信息存储介质中并从磁记录信息存储介质再现。