Reel to Reel Audio Tape Authentication and Analysis
How do you Authenticate Reel to Reel Audio Tape? One of the activities performed in a forensic audio laboratory is a reel to reel tape authentication and analysis test. This…
Audio authentication is the process of determining if an audio recording is authentic or if it has been tampered with/edited.
The first step is to establish a chain of custody. A chain of custody does not, in and of itself, establish a recording as being authentic. Audio evidence preserved in the original device has more digital integrity to pass authentication testing.
Audio Forensic Expert performs extensive audio authentication of both the audio content through electronic measurement and metadata analysis.
Los Angeles Times & Ted Rall: Forensic Video Response
I was hired by the LA Times to perform a forensic audio investigation on a 2001 recording of a jaywalking citation being given to Ted Rall. The LA Times posted…
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…
Knowing Your Digital Audio Recorder
With digital audio recorders, there are a lot of options when it comes to the quality of the audio recording. Despite the easy access to these options, they are often…
Authentication of Digital Audio Recordings
How to Tell if an Audio Recording has been Edited When one of the parties in litigation believes that an audio recording was tampered with or edited, an audio forensic…
Audio Anomalies Discovered on Video Evidence
One of the activities of an audio forensic expert is to determine whether or not an audio recording has been altered or edited when it has been submitted to be…
Release or Destroy Audio Evidence After Litigation
An audio forensic expert listens to audio recordings of litigation points during a forensic investigation. Oftentimes, these audio recordings are very sensitive in nature. They are crucial to the litigation…
The Why and How of Audio Evidence Integrity
When audio recordings are used in any litigation, the integrity of the evidence is not only important, but oftentimes questioned. It?s crucial to consider evidence integrity before you present your…
Tips on Using Digital Voice Recorders in Litigation
People are using audio evidence in legal proceedings more than ever before in the history of litigation. Our electronic society involves many recording devices such as: Voice mail Smart phones…
Maintaining Audio Evidence Integrity
Throughout the course of my professional career, the necessity to maintain the integrity and the chain of custody of the original evidence has never changed. As a forensic expert, I…