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 my results in a recent article to clarify the reasons behind Ted Rall’s dismissal from …Read More
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 audio recording without even having to listen to it. These characteristics can be important, especially when …Read More
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 overlooked. People are either unaware of these settings, or simply forget to check them when …Read More
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 expert is brought in to investigate the recording. When we authenticate an audio recording, the first …Read More
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 used in the courtroom. As an audio forensic expert, I find that when people are …Read More
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 and must be destroyed or returned to their provider once the litigation is complete. Generally, …Read More
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 evidence in court.
As an audio forensic expert, I am often asked to authenticate audio evidence …Read More
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:
Digital voice recorders
Because these devices are so affordable and readily available, victims of unlawful acts …Read More
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 am often asked to authenticate and clarify audio evidence that is not original, and that …Read More
The shooting of Trayvon Martin took place on February 26, 2012, in Sanford, Florida. Trayvon Martin was an unarmed, 17-year-old African American male who was shot and killed by 28-year-old George Zimmerman, a man of mixed ethnicity (Peruvian and white American).
Martin was walking from a …Read More