Patent ID: 7661000

Claim:
An information recording medium manufacturing method comprising: acquiring a scramble rule to apply to content to be recorded on an information recording medium, wherein said scramble rule describes a previously set settings value; generating scrambled content by executing scrambling processing as to the content, according to the acquired scramble rule, wherein the scrambling processing includes Exclusive-OR computing processing of: (a) content data which includes PID data including a data-type information within a transport stream packet; and (b) said previously set settings value or a value calculated based on said previously set settings value; and recording: (a) the generated scrambled content; (b) a table describing locations of the content data which includes said PID data including said data-type information within said transport stream packet executed in the Exclusive-OR computing processing; and (c) the scramble rule applied to the content which includes said PID data including said data-type information within said transport stream packet, onto an information recording medium.