Audio Analysis Expert Witnesses

Santa Barbara, California

Computers, Technology - Computer Forensics, Physics, Video animations, Technology Valuations, General Aviation, Trade Secrets, Trademarks, Dark Web, Cybercrime, Video Analytics, Cell Phones, GPS, Surveillance Videos, Body Worn Videos, Auto Event Data Recorders, Trial Graphics, Audio Analysis, Ultrasonics / Infrared, Software Copyrights, Patents

We do the defense tech evaluation for about 6% of the homicides in Los Angeles County and many other Class I crimes in Southern California counties. This includes cell phone analytics, GPS, surveillance cameras, audio, body worn videos, automotive event data recorders. Our staff background includes a physicist, a software engineer, a police practices expert, a dedicated audio analytics laboratory, a Cellebrite corporate affiliate laboratory, a detective with 40 years of state and federal experience, and an automotive event data recorder specialist who was formerly the owner of an automotive repair firm for 43 years. We also do financial evaluations of technology, including cases involving software copyright infringement, patent infringement, and company valuations. In addition, we do cases involving aviation accidents, including forensic analysis of autopilot and GPS data, pilot responsibilities, weather factors, and external factors such as runway surface and obstructions. The...

Providence, Rhode Island

Audio, Digital Forensics - Bodycam Audio, Dashcam Audio, 911 Call Audio, Gunshot Timing, Assault Audio, Surveillance Audio, Interrogation Audio, Jail Audio, Audio Analysis, Speech Clarification, Sound Comparison, Police Audio, Audio Tampering, Noise Reduction, Threat Recording, Workplace Audio, Accident Audio, Audio Provenance, Audio Enhancement, Insurance Audio

Mark Scetta is an independent forensic audio examiner providing audio clarification, enhancement, and authentication for criminal defense, civil litigation, and investigative matters. Over 20 years of professional audio engineering experience in film and broadcast post-production, dialogue restoration, noise reduction, sound recording, audio mastering for broadcast, audio electronics, studio acoustics, and corporate media production forms the technical foundation for evaluating audio evidence in legal disputes. Common case scenarios include bodycam recordings where speech is unintelligible, dashcam footage with contested statements, 911 calls obscured by background noise or emotional distress, surveillance audio from buses or workplaces, jail telephone calls requiring clarity on specific phrases, interrogation recordings with questions about timing or edits, gunshot sequences across multiple video sources, voice comparisons between questioned recordings and known exemplars, and cel...

Brentwood, Tennessee

Video, Audio - video forensics, video enhancement, video analysis, forensic video, audio forensics, audio enhancement, audio analysis, forensic audio, voice forensics, voice enhancement, image forensics, image enhancement

Principle Forensics is a national media forensics laboratory. We recover, authenticate, enhance, and analyze all types of recorded evidence, including video, audio, and digital images. And we back all our work with experienced, highly trained, expert testimony. Nick Barreiro, BAC, AVFA, DIVRT, is a certified Audio Video Forensic Analyst and the founder of Principle Forensics.  He is an FBI-trained member of the Digital Imaging and Video Recovery Team.  Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which audio, video, or image evidence plays a key role.  He has extensive experience on the witness stand and has enhanced and analyzed digital media from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings.  He has testified 100s of times in criminal cases, civil cases, arbitrations, and depositions. Mr. Barreiro holds a bachelor’s degree in Communic...