We specialize 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.
We provide qualified expert witness services to assist litigation support, public defenders, law enforcement, attorneys, government, and the general public.
Our goal is to help you get the most from your recorded evidence. Call now to get started.
Memberships, Affiliations and Training:

Safety Management Systems:Mold, Bacteria and other Microbiological Assessments: Odor Surveys and Assessments Investigative Indoor Air Quality Surveys Proactive Indoor Air Quality Surveys Planned Indoor Air Quality Management Programs Environmental-Related Disease Investigations Legionella and Legionnaires Disease Safety Program Management
Asbestos and Lead Management and Consultation:Ergonomics Programs Safety Program Development Occupational Health / Industrial Hygiene Construction Safety Services Managed Outsourcing Training Program Services OSHA VPP (Voluntary Protection Program) Safety and Health Audits Noise Exposure Evaluation and Control
Asbestos Surveys and Investigations Asbestos Abatement Project Design Environmental Quality Assurance Monitoring Asbestos Operations and Maintenance Programs
Rescuing Problematic, Poorly Recorded Tracks, Enhancing Buried Dialog Reducing and / or Eliminating Broadband Noise, including Fans, External Ambiance and Tape Hiss Cleaning Op Noisy Voice, Narration or Telephone Recordings Eliminating Camera Sound and HVAC Noise from Video / Film Soundtracks Filtering Out Line Noise and Ground Loop Hums Editing Vinyl Collections (removing pops, clicks and scratches) Composing Precise Transcriptions from Illegible Audio


William R. Acorn, P.E., FASHRAE, is principal and founder of Acorn Consulting Services, LLC (ACS). For over 30 years, he has been involved in the Engineering Analysis and Design of hundreds of projects ranging from Institutional Laboratories to Cleanroom Facilities for the semiconductor industry.
Project ConsultingLitigation Consulting Technical Analysis and Investigation Claims Preparation and Analysis Expert Testimony
Strategic Planning: Conceptual Design; Feasibility Studies & Evaluations; Value Engineering Facility Retrofit and Renovation Strategies Program Management: Project Delivery Strategies; Selection of Design and Construction Teams Design Consulting and Design Review Code Compliance Analysis and Negotiation


Firearm Examination and Testing Bullet and Cartridge Case Examinations and Comparisons Ammunition Evaluation and Testing Shooting Scene Reconstructions Shooting Accident Reconstructions Shooting Scene Re-enactments Distance Determinations from Gunshot Wounds and Clothing Gunshot Residue Analysis (GSR) and GSR Consultation Tool Mark Examinations and Comparisons Gun Safety and Design Issues Serial Number Restorations Crime Scene Examinations and Consultations Footwear Identification Tire Track Identification