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Audio Forensic Expert Blog

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Audio Forensic Synchronization: What Happened When?

June 24, 2015 Audio Forensic-ExpertAudio Enhancement, Audio Forensic ExpertLeave a comment0

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

April 21, 2015 Audio Forensic-ExpertAudio AuthenticationLeave a comment0

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

Using a Compressor for Forensic Audio Enhancement

April 8, 2015 Audio Forensic-ExpertAudio Forensic Expert, Forensic Audio EnhancementLeave a comment0

As an Audio Forensic Expert, knowing what tools are available to me and how they work is extremely important. One type of signal processor that I frequently use is a compressor. While this is often thought of as a tool for music production, it serves …Read More

Sir Paul McCartney is NOT Dead

March 20, 2015 Audio Forensic-ExpertVoice Identification2 Comments0

So, you may have heard the rumor that Sir Paul McCartney is dead. In fact, the evidence that has been presented over the years is quite entertaining. The Abbey Road album cover with Paul barefoot and songs like Strawberry Fields Forever or Revolution 9, that …Read More

How to Set Up a Microphone for CCTV Systems

March 10, 2015 Audio Forensic-ExpertAudio Forensic ExpertLeave a comment0

Closed circuit television systems have become a major contributor of evidence to court cases. While the video from these systems is often very important, the audio can often play just as much of a role in the investigation. At Primeau Forensics, we often are hired …Read More

Blindspot – How to Make Digital Audio Recordings for Evidence

February 19, 2015 Audio Forensic-ExpertAudio Forensic ExpertLeave a comment0

As an audio forensic expert, my day to day activity includes forensic services like audio enhancement and authentication, as well as voice identification. Audio enhancement is probably the most common service I provide because more often than not, the audio evidence was not recorded in …Read More

Voice Identification: Characteristics of an Unknown Voice

January 12, 2015 Audio Forensic-ExpertVoice IdentificationLeave a comment0

One of the most important elements of voice identification is the ability to recognize the characteristics of the human voice. There are many elements to distinguish these characteristics, some audial, some visual.

Think about when you have your back to a person who enters the room …Read More

Knowing Your Digital Audio Recorder

December 18, 2014 Audio Forensic-ExpertAudio Authentication2 Comments0

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

authentication of digital audio recordings

Authentication of Digital Audio Recordings

November 11, 2014 Audio Forensic-ExpertAudio Authentication, Critical Listening1 Comment0

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

New Audio Recording on Michael Brown Shooting: Real or Fake?

August 26, 2014 Audio Forensic-ExpertCritical Listening3 Comments0

I was contacted today by two media outlets regarding an audio recording that was released last night to CNN. The recording is alleged to be a video chat with the gunshots that killed Michael Brown in the background.

I began my forensic investigation by researching the …Read More

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