The unknown voice is Mayor Jim Fouts. I performed two forms of voice identification testing (also known as speaker recognition) with a second audio forensic expert employed with Primeau Forensics. We performed both aural spectral voice ID as well as biometric voice identification testing. Read More
The biometric software program that we used is a Speech Pro Product titled ?SIS 2?. We formatted each speech sample based on training received from Owen Forensic Services and loaded them into the biometric software. The result was a 98% mismatch meaning the ?unknown? voice recording that surfaced in the Washington Post today is NOT the voice of Donald Trump. Read More
Can an audio recording be enhanced? Forensic audio enhancement is a process of removing unwanted sounds and preserving the wanted sound. Unwanted sounds include static, HVAC fans, hums and other distracting background noise. The goal is to reveal or uncover the dialogue, conversation or ?wanted? …Read More
As an audio forensic expert, one of my day-to-day activities is voice identification and speaker recognition. Primeau Forensics receives calls on a weekly basis from concerned businesses and citizens for help identifying a derogatory voicemail message or threat to an employee or supervisor.
Also common are …Read More
After 34 years as an audio forensic expert testifying in dozens of cases on the local State and Federal court levels, I have gained experience and knowledge about the trial process.
Today, more than ever, many of my cases go to trial. Fewer criminal cases take …Read More
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 an recent article to clarify the reasons behind Ted Rall?s dismissal from …Read More
One of the most common audio issues with audio enhancement is noise. Noise and other extraneous ‘unwanted’ sounds make up the noise floor in a recording. Unwanted sounds interfere with the wanted sounds. Removing the unwanted sounds and raising the intelligibility of the wanted sounds …Read More
On May 11th, 2015, Los Angeles Times Freelance Political Cartoonist Ted Rall published an Op-Ed relating to an incident he allegedly faced with the LAPD back in 2001.
Rall claimed while being stopped for jaywalking in Los Angeles, an officer of the Los Angeles Police department …Read More
Generally speaking, any device that captures video is also capable of simultaneously capturing audio. This audio can be crucial to the Forensic Expert, as it can show the expert more clearly ?what happened when,? when it comes to a crime scene.
Picture this: a young man …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 characteristics of an audio recording without even having to listen to it. These characteristics can be important, especially when it …Read More