Overview of audio forensics

Abstract

Audio forensics applies the tools and techniques of audio engineering and digital signal processing to study audio data as part of a legal proceeding or an official investigation of some kind. This chapter summarizes the principal audio forensic tasks, including authentication, enhancement, and interpretation. The chapter explains the relevant procedural and historical background, presents several examples of audio forensic applications, and reviews several important areas for future research and development. © 2010 Springer-Verlag Berlin Heidelberg.