Watermark embedding

Senior watermark a visual psychology/sense of hearing model is minimum watermark embedding the sensor a media content. However, wherein an and DVD recorder and a on user device (3) to the senior watermark is very expensive. According to the invention, (1) is calculating (13) and identifying parameter (JND) is a position, and with a media content connected to the user device (3). The parameter with a pattern simple and (33) is positioned control watermark (36) intensity according claim and. The vertification) is cross-shaped watermark actual load or the user data in as encryption MPEG type of comprises a signal of a generator.