Patent ID: 8611531

Claim:
A method of watermarking a media program, comprising the steps of: receiving a plurality of media program packets in a receiver, the plurality of media program packets including a first set of media program packets and a second set of media program packets; wherein the media program comprises a plurality of portions and each of the first set of media program packets includes a first version of a respective one of the portions of the media program, wherein each of the second set of media program packets includes a second version of a subset of the plurality of portions of the media program; selecting at least some of the second set of media program packets for substitution for associated media program packets in the first set of media program packets according to a pattern traceable to the receiver, the selected some of the second set of media program packets having the same portion of the media program as the associated media program packets in the first set of media program packets; substituting the selected some of the second set of media program packets for the associated media program packets in the first set; and wherein each of the first set of media program packets includes an identifier having a first value associated with the media program, wherein each of the second set of media program packets includes an identifier having a second value, and wherein substituting the selected some of the second set of media program packets for the associated media program packets in the first set comprises: setting the identifiers of the selected some of the second set of packets to match the identifiers of the first set of packets, wherein the media program packets having the matched identifiers are replayed.