Patent ID: 8510852

Claim:
An information processing apparatus for playing back a content recorded on an information recording medium, comprising: a data transform processor performing a substitution process on content member data recorded on the information recording medium, wherein the data transform processor substitutes transform data as substitute data for the content member data in accordance with information stored in a fix-up table, wherein the data transform processor acquires fix-up tables on the information recording medium, and acquires, from the fix-up tables, the transform data as the substitute data corresponding to a part of the member data of the content, and the recording position information of the transform data, and acquires a reference bit position information which indicates a bit position to be referenced from among a plurality of bits of an identification information identifying a content playback apparatus or a content playback application program, wherein the data transform determines whether or not to perform a substitution process based on a bit information of a bit position which is indicated by the reference bit position information.