Patent ID: 8717857

Claim:
A method for copy protection, comprising: providing audiovisual data or audio data having a genuine playback sequence defined by the content of the audiovisual data or audio data; dividing the audiovisual data or audio data into a plurality of portions, the portions having a first order, wherein when the portions are reproduced in the first order the content is reproduced in the genuine playback sequence; determining a second order for a subset of the portions, the second order being different than the first order; determining a physical position where, on a record carrier, a respective portion of the plurality of portions is to be stored dependent on the second order; storing a plurality of further first orders on the record carrier, the further first orders being different from the first order; and storing program instructions on the record carrier, the program instructions, when executed on a reading device configured to playback the record carrier, extract characteristic parameters of the record carrier, the first order being discriminable from the further first orders based on the characteristic parameters, wherein for a plurality of portions a copy of the respective portion is stored on the record carrier, wherein the copy of a respective portion is watermarked.