Watermarking is hiding digital information in a carrier signal; usually some kind of marker covertly embedded in a noise-tolerant signal such as audio (e.g. mp3) or image data (e.g. mpeg).
Watermarking is hiding digital information in a carrier signal; usually some kind of marker covertly embedded in a noise-tolerant signal such as audio (e.g. mp3) or image data (e.g. mpeg).