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Blindspot: An Introduction to Forensic Science and Expert Witness Testimony
Blindspot: An Introduction to Forensic Science and Expert Witness Testimony
Author: Ed Primeau
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© 2014 Primeau Forensics
Description
My forensic philosophy is that authentication and clarification of audio/video media combines art as well as science. The methods that I use require attention to detail and scientific principles, complemented by an appreciation for clarity and aesthetics. My techniques are derived from both a formal education and the application of skills gained by working in many forensics situations.
30 Episodes
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Primeau Forensics’ 2020 Year in Review In this special episode of Blindspot, we sit down with Ed Primeau and Michael Primeau. The father and son team have been working side-by-side since 2009 and are the owners and forensic experts behind Primeau Forensics. With 2020 in the rearview mirror, Ed and Michael give us a look […]
How is video evidence used as a weapon? Video evidence is a digital representation of encoded light signals captured by a video camera. Captured and stored data is video evidence later presented in the courtroom. On the other hand, humans process video evidence quite differently. We gather light data without encoding it. We choose our […]
A Closer Look at the Relationship between Hollywood and Forensic Science I sit down with Barry Levy in this podcast episode of Blindspot. Barry is a screenwriter and producer known for his work in popular films, such as Vantage Point, Paranoia, and Wolves of Wall Street. You can explore his filmography further by following this […]
Settling Into Remote Work During COVID-19 On Friday, March 23, Primeau Forensics began prepping its team for remote work amid the growing COVID-19 pandemic. Three weeks later, I am sitting in my dining room with a beautiful view of the backyard. Exactly how the company started years ago! I have become fluent in several technological tools to boost efficiency during my time away from the office. […]
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 enhancement or dialogue enhancement. Forensic audio enhancement services are the scientific process of clarifying audio recordings using non-destructive techniques to preserve speech quality. This is […]
Forensic audio enhancement is a scientific process. Remove the unwanted sound and increase the wanted sound. In many cases, based on our 34 years of experience, the wanted sound is most always dialogue. The Use of Equalizers for Forensic Audio Enhancement An equalizer is one of the most important filters or tools for audio enhancement. […]The post Forensic Audio Enhancement -Equalization appeared first on Primeau Forensics.
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 experience to operate compressors properly […]
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 experience to operate compressors properly […]The post 21: Audio Enhancement – Compression appeared first on Primeau Forensics.
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 Bachelors’s degree in Criminal Justice and Corrections from Lewis-Clark […]
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 Bachelors degree in Criminal Justice and Corrections from Lewis-Clark […]The post 20: Body-worn Cameras with Sgt. Bill Tilson appeared first on Primeau Forensics.
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 can be defined as a sum of […]
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 can be defined as a sum of […]The post Audio Enhancement – Noise Reduction appeared first on Primeau Forensics.
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 during the course of a […]
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 during the course of a […]The post 18: Creating Video Work Product as an Audio Video Forensic Expert appeared first on Primeau Forensics.
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 recording or anything in between. […]
Body worn cameras, a police officers tool for safety. We believe if there was more statistics available, it would help law enforcement officers decide to implement the use of body-worn cameras in their departments. We met with Steve Ward is the CEO and founder of VIEVU. Vievu has since merged with Axon, one of the countries […]The post 16: VIEVU Body Cameras with Steve Ward appeared first on Primeau Forensics.
One of the most common jobs for an Audio Forensic Expert is enhancing a digital audio recording for intelligibility and clarification. Audio evidence is often recorded in less than optimal situations with poor quality equipment. This evidence can be vital to a case and when the content of the recording cannot be heard, the evidence […]The post 15: A Step-by-Step Approach to Forensic Audio Enhancement appeared first on Primeau Forensics.
Video Surveillance expert David Spreadborough is a CCTV investigator and a police officer for the Cheshire Police Department in Cheshire, England. He has been a part of the police force for 23 years and began his video forensic career in 2003. David is a member of the Law Enforcement & Emergency Services Video Association International […]The post 14: Video Surveillance with David Spreadborough appeared first on Primeau Forensics.
Maria do Carmo Gargaglione is the Director of the Division of Digital and Technological Forensic Evidence at the Public Ministry of Rio De Janeiro. She has been a speech-language pathologist for over thirty years. She is an expert in voice identification, facial identification and handwriting analysis. She began working in forensics in 2000 and began working […]The post 13: Voice Identification with Maria do Carmo Gargaglione appeared first on Primeau Forensics.
Dorothy Stout is a Video Forensics Expert and owner of Resolution Video Inc. She has been analyzing video since 1998 and has testified in all levels of courts in the United States. Dorothy received her Bachelor degree in Psychology and her Masters in Forensic Science and began her career at the US Postal Inspection Service. […]The post 12: Video Forensics with Dorothy Stout appeared first on Primeau Forensics.






