Audio Authentication and Visual Inspection
Audio Authentication and Visual Inspection Sound waves can tell us a lot about a recording. Like metadata, the visual elements of a sound wave can expose the characteristics of an…
Forensic Audio Authentication is the process of authenticating a recording to determine if it is consistent with an original, unaltered recording.
Audio Forensics: An Accurate, Arguable and Authentic Approach to Understanding Audio Evidence
Bell Labs was the first to discover that spoken word patterns and sounds could be identified and characteristics examined to identify the individual who made them. This has been a…
The Noise Floor: A Forensic Aid for Audio Authentication and Voice Identification
Audio authentication and voice identification requires that a forensic expert examine three critical aspects of an audio recording before beginning any forensic process. Whether it be analogue or digital audio…
Clarification of Audio Recordings for Authentication
All recordings--both digital and analog--have a noise floor. The term originated when manufacturers of analog audio recorders referred to the extraneous noise that their machine created in addition to the…