Audio Forensic Synchronization: What Happened When?
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…
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…
Using a Compressor for Forensic Audio Enhancement
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…
Sir Paul McCartney is NOT Dead
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…
How to Set Up a Microphone for CCTV Systems
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…
Blindspot – How to Make Digital Audio Recordings for Evidence
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…
Voice Identification: Characteristics of an Unknown Voice
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,…
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…
New Audio Recording on Michael Brown Shooting: Real or Fake?
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…