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University of Colorado Denver

National Center for Media Forensics
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About Us

National Center for Media Forensics


Catalin Grigoras, Ph.D.

Director and Associate Professor

As Director of the National Center for Media Forensics, Grigoras has the privilege to coordinate the Center’s activity, including education and scientific projects. His research encompasses digital signal processing in forensic multimedia, including digital recording authentication, audio/image analysis, enhancement, and automatic speaker recognition. His research into digital signal processing has resulted in advanced methods to authenticate digital audio/video recordings and semiautomatic systems for forensic speaker recognition. 

Grigoras was chairman of the European Network of Forensic Science Institutes - Forensic Speech and Audio Analysis Working Group between 2007-2009. He is a member of the Audio Engineering Society Subcommittee on Forensic Audio and the International Association of Forensic Phonetics and Acoustics. He has published numerous forensic audio/video articles and is a co-author of Best Practice Guidelines for ENF Analysis in Forensic Authentication of Digital Evidence (2009). Funding sponsors include Defense Advanced Research Projects Agency (DARPA) and the Department of Justice (DOJ).

catalin.grigoras@ucdenver.edu


Jeff M. Smith, M.S.

Associate Director

As Associate Director of the National Center for Media Forensics, Smith has the pleasure of helping build the foundation for strengthening forensic sciences in the U.S. through the Center’s education and research programs. Smith’s research areas include the forensic authentication of recorded media, forensic speaker recognition, and the evolving synergy that exists amongst the Digital and Multimedia Evidence disciplines. He is a member of the Audio Engineering Society (AES) as Chair of the Technical Committee on Audio Forensics and past chair of the Colorado Section of the AES. He is also a Fellow of the American Academy of Forensic Sciences (AAFS). He works closely with law enforcement as member-at-large of the Scientific Working Group on Digital Evidence (SWGDE) Executive Committee and as a member of its Audio Committee. Smith is an alumnus of CU Denver. Funding sponsors include Defense Advanced Research Projects Agency (DARPA) and the Department of Justice (DOJ).​

​jeff.smith@ucdenver.edu


Cole Whitecotton, M.S.

IT Professional

As the IT Professional for the National Center for Media Forensics, Whitecotton develops and maintains the equipment and software used throughout the Center’s education and research programs, both online and in the classroom and labs. As an alumnus of the Master of Science in Recording Arts emphasis in Media Forensics (MSRA-MF) program, he is also excited to contribute back via teaching and leveraging new technologies to expand and strengthen students' experiences as they forge their own paths in the digital and multimedia forensic disciplines. Whitecotton’s research areas include recompression effects on video, especially YouTube compression effects, and specialization in hardware and computer configurations. Whitecotton is a member of the Audio Engineering Society (AES) and the American Academy of Forensic Sciences (AAFS).