MP3 Files As A Steganography Medium

  • There is a lot of work done on hiding information inside picture files in formats such as JPEG, however not much has been done to date on hiding information inside MP3 audio files. This paper looks at ways to hide information inside MP3 files and proposes four largely unexplored techniques: unused header bit stuffing, unused side information bit stuffing, empty frame stuffing, and ancillary bit stuffing.