Patent ID: 7062785

Claim:
A reproducing method for reproducing data from a record medium in which data has been recorded thereon by: sectoring program data in terms of a pre-set data volume as a unit; data-appending copy management information, including copy generation data that specifies the copy generation of program data recorded on the record medium, and copy permit/inhibit data that specifies whether or not copying is permitted up to a certain copy generation; error correction coding the sectored program data together with the data-appended copy management information; modulating the error correction coded program data together with the data-appended copy management information; and recording the modulated program data and the modulated data-appended copy management information in a pre-set position in each sector on the record medium, said reproducing method comprising: reading the modulated program data and modulated data-appended copy management information from the record medium; demodulating the modulated program data and modulated data-appended copy management information read from the record medium; error correction decoding the program data together with the data-appended copy management information demodulated in the demodulating step; and permitting or prohibiting copying of the error correction decoded program data in accordance with the error correction decoded copy management information, wherein said sectoring of program data results in at least sectors of a 4-byte synchronization area, a header data area including an error detection code area and said copy management information, a user data area consisting of 2048-byte data, and a second error detection data area consisting of 4-byte data, said second error detection data generated for said header data area and said user data area, and wherein the data-appending copy management information comprises the copy permit/inhibit data that specifies whether or not copying is permitted up to the certain copy generation.