公开(公告)号：ID27983A

公开(公告)日：2001-05-03

申请号：ID20000840

申请日：2000-09-28

Applicant: SONY CORP

Inventor： SAKO YOICHIRO ,  KAWASHIMA TETSUJI ,  SHISHIDO YUKIO ,  TSUKATANI SHIGEKI ,  TOYAMA KAYSUMI ,  INOKUCHI TATSUYA

IPC: G11B27/32 ,  G11B20/12 ,  G11B27/10 ,  G11B27/30

Abstract: A data record medium on which a digital signal has been recorded is disclosed, the digital signal being composed of main data and a sub code, the sub code having time information representing reproduction elapsed time, the sub code being recorded in association with the main data, wherein information that represents the reproduction elapsed time of the sub code is represented with a binary coded decimal number and address information in synchronization with the time information of the main data is represented with a binary number, the address information being contained in the main data.