A SURVEY PAPER ON AUDIO TAMPERING DETECTION TECHNIQUES
Keywords:
Authentication, Chirp Coding, Double Compression, ENF, Frame Offsets, Multimedia, TamperingAbstract
Digital Forensic is a process of multimedia signals such as images, audio or video it is used to recover the
evidences set of scientific techniques. These techniques are used to reveal or identify the history of digital evidences,
such as, 1) to identify the acquisition device that produced the data, 2) retrieve information from the digital signals
and 3) to validate the integrity of the digital contents. In multimedia important vulnerability is copyright infringement.
It means the integrity and authenticity issue. Now a day, in lawsuit, civil and criminal proceedings, use of digital
audio and video evidence content are increasing. As per the literature survey enough research has been done on
image and video but there is a lack of study in digital audio file. There is some method available to check integrity and
authenticity of audio file. In this paper we have discussed various methods to detect forgery in audio file and their
pros and cons.