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热词
    • 9. 发明授权
    • Disc recording medium, disc drive apparatus, and reproduction method
    • 光盘记录介质,盘驱动装置和再现方法
    • US07355936B2
    • 2008-04-08
    • US10267806
    • 2002-10-09
    • Susumu Senshu
    • Susumu Senshu
    • G11B20/22G11B27/00H04N5/91
    • G11B20/1833G11B7/007G11B20/1217G11B20/1426G11B27/19G11B27/24G11B2220/2541
    • First data representing user data and third data use the same error correction codes. The first data has a first error correction block structure and the third data has a second error correction block structure. That is to say, the first data and the third data have their respective error correction block structures proper for them. In particular, the recording density of the third data is made less dense than the recording density of the first data, and the number of correction codes in the first error-correction block is set at a multiple of m whereas the number of correction codes in the second error-correction block is set at n/m times the number of correction codes in the first error-correction block so that a data-piece count in the second error-correction block is also n/m times a data-piece count in the first error-correction block. As a result, it is possible to provide a good technique of recording shipping-time information onto a high-recording-density disc.
    • 表示用户数据和第三数据的第一数据使用相同的纠错码。 第一数据具有第一纠错块结构,并且第三数据具有第二纠错块结构。 也就是说,第一数据和第三数据具有它们各自的错误校正块结构。 特别地,使第三数据的记录密度比第一数据的记录密度低,并且第一纠错块中的校正码的数量被设置为m的倍数,而校正码的数量 第二纠错块被设置在第一纠错块中的校正码的数目的n / m倍,使得第二纠错块中的数据段计数也是数据段计数的n / m倍 在第一个纠错块中。 结果,可以提供将发货时间信息记录在高记录密度盘上的良好技术。