Sound Evidence
George Papcun, Ph.D.
Forensic analysis Expert testimony Research
Telephone: 505.986.9636
Dr. Papcun is a scientist who analyzes speech and language, especially with regard to their forensic implications. He has been employed by Los Alamos National Laboratory, the Aerospace Corporation and the University of California Phonetics Laboratory. He has served as an expert witness in the United States, Canada and Australia. He has completed projects for the Central Intelligence Agency, the National Security Agency and the United States Secret Service. He has held security clearances at Secret, Top Secret and Q levels. He will consider challenging assignments.
Dr. Papcun's expertise includes analysis of recordings, enhancing the intelligibility of recordings, determining whether recordings have been altered, speaker identification, memory for voices, voice lineups, using voice to determine speaker veracity and voice morphing. He has done a special study of the communications of Flight 1549 that landed in the Hudson River.
Forensic Analyses Include:
Rodney King v. City of Los Angeles (for Mr. King)
"Elvis" recording (appearance on
Good Morning America)
Alaska v. Exxon [Valdez] (for
Exxon)
California v. O. J. Simpson (for
Associated Press)
Daniel v. Kelly Oil (for Kelly Oil)
Homicide of Jon Benet Ramsey
(for City of Boulder, CO)
Paula Abdul recording (for Ms. Abdul)
Queen v. Kashani-Malaki (Australia, for Kashani)
California v. Wm. and Emily Harris (Patty Hearst kidnapping)
48 Hours Mystery: The Mortgage and the Murder (CBS News)
Awards:
Johns Hopkins Award for Computing to Aid Persons with Disabilities
R&D-100 Award for Technological Innovation
National Defense Education Fellowship
Ford Foundation Fellowship
Author and Instructor:
"Voice Input/Output for Computers" Taught
scientists, and engineers for companies and governmental agencies in
the United States and abroad including IBM, Bell Laboratories, The
United States Department of State, The United States National Bureau of
Standards, Danish National Telecom, Phillips, Siemens and others.
Other Employment:
In addition
to consulting assignments, Dr. Papcun has been
employed by the UCLA Phonetics Laboratory, Aerospace Corporation
and Los Alamos National Laboratory.
Inferred articulatory positions for teaching hearing impaired students, and for enhanced speech technology
"Your appearance as the final witness in the Rodney King trial was decisive as to the outcome."---Milton Grimes, Esq.
"Dr. Papcun is a star!"---Attorney subsequent to Dr. Papcun's deposition, following which the opposition declined to proceed
"Please send your bill in before you find out how delighted the client is." --Attorney following a directed verdict subsequent to Dr. Papcun's testimony