Establishing a chain of custody for audio and video evidence is the first step in any forensic investigation. This includes audio enhancement, video enhancement, audio authentication, and video authentication. Throughout…
https://www.youtube.com/watch?v=mcwJ3XwmaAg&feature=emb_title On November 24, 2015, a police dash-cam video that captured the shooting of Laquan McDonald in Chicago, Illinois was released to the public. It had taken almost thirteen months…
Above all, the goal of forensic enhancement is to better hear dialogue by removing unwanted noise. This scientific process of improving the quality of dialogue is also known as speech…
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…
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…
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…
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…
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…