Patent ID: 8620145

Claim:
A method for use in protecting content, comprising: accessing media content with sectors reserved for error data; searching for and identifying a plurality of reserved sectors and selecting multiple reserved sectors of the plurality of sectors; accessing error data, wherein accessing the error data comprises generating a plurality of series of cells where each of the series of cells comprises a random number of buffer cells such that the first and last cells of each of the series are buffer cells, and at least one error cell randomly positioned within the number of buffer cells; replacing at least a portion of the reserved sector in the media content with the error data, wherein the replacing at least the portion of the reserved sector comprises replacing each of the selected reserved sectors with one of the plurality of the series of cells; generating navigation commands that instruct a playback device to skip the error data, wherein generating the navigation commands comprises generating and incorporating cell to cell link commands into the navigation commands; and recording the navigation commands with the media content and the error data onto a medium.