发明授权
EP0802535B1 INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD 失效
信息记录介质,信息再生装置及信息再现

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD
摘要:
An information recording medium including a lead-in region and a data recording region, wherein key information is recorded in the lead-in region and scrambled data are recorded in the data recording region. The scrambled data are descrambled on the basis of the key information.
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