LEARN ABOUT DIGITAL MEDIA FORENSICS
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As an audio forensic expert, knowing what tools are available for audio enhancement and how they work is extremely important. While compressors are often thought of as tools for music production, they serve many functions in the audio forensic world. Like with most audio signal processors, it takes training and
Sgt. Bill Tilson is a police officer with the Coeur d’Alene Police Department in Coeur d’Alene, Idaho. He has been working in the department since September 2002 and began working with body-worn cameras in 2012 when the department began issuing them to officers. He received a Bachelor’s degree in Criminal
Most recordings that I come across as an audio forensic expert require audio enhancement. This is because they are made in poor conditions and have an abundance of noise. Though there are many ways to reduce the noise floor in a recording, there is no guaranteed method. The noise floor
Forensic transcription begins with forensic audio enhancement. This is the process of using various software programs and expert filtering to remove unwanted sounds and increase the volume and intelligibility of the wanted sounds, normally conversations. Background noise includes noisy furnaces, air conditioners, buzzes and hums, traffic, and wind. Once the
Video work product is a way to document forensic investigations, like evidence recovery, for reference at a later date. Processes and procedures are documented using a video camera by a forensic expert during a forensic investigation for future use. I have referred back to my video work product many times
Digital audio evidence can often be one of the most important pieces of evidence for a case, so it should always be given a great deal of attention. I’m going to cover some tips on how to create the best audio recording possible, whether it’s a police interview, a concealed
