Acoustics - Vibrations Expert Witnesses

Mr. Broyles represents 14 years experience in providing expert witness and forensic examination services combined with 32+ years experience in research, design & development of computer software and electronic products to include forensic lab equipment and forensic audio/video/image software.  This combination of experience gives invaluable insights into the forensic processes and application in each unique case or project.  Court Qualified.  Detail CV available on request.    

Areas of Expertise:

Audio, Video and Voice Recordings Voice Identification / Comparison / Elimination Forensic Transcription / Transcriptions Surveillance/Time Lapse Video Processing Authentication, Enhancement, Restoration Noise Reduction /Removal / Improve Intelligibility Video Frame/Field Capture and Printing Signal Recovery, Restoration and Clarification Magnetic Microscopy and Imaging Services

Media Repair and Cleaning Services Recording Equipment Analysis and Testing Recording Equipment Restoration Playback Speed Correction Media Repair and Cleaning Services Many Tape and Digital Formats Supported Related Litigation Support Technical Research and/of Forensic Applications Dictaphone Restoration and Transfer Services

Specializing in Recorded Evidence Analysis, Enhancement and Restoration Services of Video, Audio, Sound, Voice, Surveillance and Time Lapse Recordings; both digital and analog; through the use of custom and professional analysis systems.

Providing court qualified expert witness services to assist litigation support, public defenders, law enforcement, attorneys, government, and the general public.  Since 2004.  Local, nationwide and international.

Stated goal is to help you get the most from your recorded evidence.   Call now to get started.

Memberships, Affiliations and Training:

• Audio Engineering Society (AES)
• Institute of Electronics and Electrical Engineers (IEEE)
• Law Enforcement Video and Emergency Services Video Association (LEVA)
• New York Institute for Forensic Audio (NYIFA)
• Society of Motion Picture and Television Engineers (SMPTE)
• International Association of Identification Rocky Mtn Division (RMDIAI)

Henry Chamberlain has 50 years of experience in the Glass Industry. His expertise includes just about all aspects of glass from engineering design, manufacturing, strengthening, testing, quality control, installation, fractography, and failure analysis of glass and glazing systems. His experience ranges from automotive, architectural, and industrial glass applications to glass consumer products.

Mr. Chamberlain has held numerous leadership positions in professional associations and is a well-respected expert within the glass industry community. Since 1996, he has contributed to many different publications and given lectures and presentations on glass.

Areas of Specialization:

• Computational modeling for structural and thermal design optimization of glazing systems. Mr. Chamberlain was one of the first group of ten people certified by the National Fenestration Rating Council to serve as the "Individual-in-Responsible-Charge" of a laboratory accredited by NFRC to issue product ratings
• Design, quality control, and testing of glass parts and glazing systems for demanding architectural and industrial applications
• Angle specific spectral models for optimization of the optical properties of fenestration systems
• Process control and quality control in the manufacture and fabrication of glass, with emphasis on insulating and laminating technology and the measurement and control of stress during annealing, toughening or bending processes
• Fracture mechanics of glass
• Specialized spectrophotometric polariscopes, instrumentation used to detect and analyze defects in glass products, and other optical instruments

Litigation Support - Mr. Chamberlain provides expert Forensic Glass and Glazing litigation support. His expertise includes analysis of inclusions and defects, fractographic analysis, stress analysis, and expert opinion regarding glazing system design and glazing methods. Mr. Chamberlain's services are available to counsel representing both plaintiff and defendant.

Areas of Expertise:

Glazing System Design Glass Failure Analysis Fractography Finite Element Analysis (FEA) Optics & Acoustics

Energy Efficiency Process Control Glass Testing Glass Codes & standards Glass Safety

View Henry Chamberlain's Consulting Profile.

Durand R. Begault received a PhD in Computer Audio from UC San Diego in 1988 and an MFA from Mills College in 1981. He has been associated with the Audio Forensic Center and Charles M. Salter Associates, Inc. since 1996 and has worked as an expert witness, legal consultant, and acoustical consultant on a variety of audio-related cases since 1988. Dr. Begault also holds a research position at NASA Ames Research Center and is an adjunct faculty member at McGill University. He is the author of several U.S. patents and is qualified as an expert witness in both Federal and State Courts. Dr. Begault has testified in over 40 cases on a variety of audio technology and forensic audio-related cases.

Areas of Expertise:

• Audio Technology Patent / Intellectual Property Analyses
• Forensic Audio and Video Tape Examination / Authentication
• Analysis of Speech, Alarms, Warning Signal Audibility
• Voice Identification and Elimination
• Analysis of ‘Ear Witness’ Testimony
• Enhancement of Speech from Noisy Audio / Video Tape Recordings
• Music Copyright Infringement and Musicological Analysis
• Gunshots
• Acoustical Test and Measurement - Environmental Sound
• Noise Exposure
• Software / Hardware Black Box Testing for Infringement
• Videotape Image Enhancement
• Analysis of Digital Recordings

Please contact the Marketing Department at Charles M. Salter Associates, Inc./Audio Forensic Center for Dr. Begault’s current CV.

View Consulting Profile.

CSTI Acoustics offers professional consulting services in acoustics and noise and vibration control to engineering firms, industrial companies, developers, architects, churches, private owners, attorneys, and government entities.

Both graduates of MIT, Arno Bommer and Bob Bruce have been working together since the early 1980s. Projects have been performed throughout the US including Alaska and Hawaii, and in Canada, Mexico, Brazil, Trinidad, Argentina, Chile, Puerto Rico, England, Scotland, Germany, and Qatar.