Steganography and steganalysis in video files

The article is devoted to staganography and steganalysis in video files. The article examines the main methods of information hiding in MPEG video files, gives analysis, comparison and generalization of this methods for other video formats. The article shows holding features of audio signal in video files and the methods that use this signal for information hiding. Also the article overviews the compromise opportunities of represented algorithms by means of statistic analysis methods.