| 摘要 |
PROBLEM TO BE SOLVED: To provide a recording and reproducing device and a program recording medium therefor capable of transferring AV data from a once-recorded recording medium to another recording medium when utilization duplication is permitted only once by program utilization license information. SOLUTION: This recording and reproducing device is provided with a recording means 11, 17, 18, and a reproducing means 11, 17, 18, 19 for reproducing only once an AV data recorded by the recording means 11, 17, 18 when signal information showing AV data utilization permission information represents a duplication inhibit permitting viewing and listening only one. An EMI judging means 12 judges the presence or absence and the kind of the utilization permission from the EMI information. An authenticating and enciphering means 13 performs authentication between AV apparatuses via a digital I/F means 1, and deciphers the AV data inputted from the I/F means 1, and also enciphers the AV data read from a disk medium 6 side via a data block accessing means 18. |
