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Audio (Tape) Recording & Authentication
There are 17 expert witnesses in this category

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Jonathan Broyles
President
P.O. Box 490
Parker (Denver Metro Area) CO 80138
USA
phone: 303-805-5301
fax: 303-841-7386
Areas of Expertise:
  • Audio, Video and Voice Recordings
  • Voice Identification
  • Voice Comparison/Elimination
  • Surveillance/Time Lapse Video Processing
  • Authentication, Enhancement, Restoration
  • Noise Reduction/Removal
  • Video Frame/Field Capture and Printing
  • Signal Recovery, Restoration and Clarification
  • Magnetic Microscopy and Imaging Services
  • Media Repair and Cleaning Services
  • Recording Equipment Analysis
  • Recording Equipment Testing
  • Recording Equipment Restoration
  • Playback Speed Correction
  • Media Repair and Cleaning Services
  • Many Tape & Digital Formats Supported
  • Related Litigation Support
  • 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:

    • American College of Forensic Examiners (ACFE)
    • American Board of Record Evidence (ABRE)
    • 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)
    • Professional Private Investigators Association of Colorado (PPIAC)
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    Arlan Boll
    President
    P.O. Box 8020
    Long Beach CA 90805
    USA
    phone: 877-ABAUDIO or (877) 222-8346
    fax: 562-429-2401
    Arlan Boll, President of AB Audio Visual Ent., Inc., specializes in Audio Forensics, Enhancement, Editing, Precise Transcription and Expert Witness Services. Mr. Boll can advise, assist, or on-site record almost any live event which would require pristine audio quality. He specializes in all types of microphones, microphone placement, analog / digital recording and monitoring.

    AB Audio Visual Ent., Inc. uses sophisticated audio filtering and analysis software programs for audio restoration and archiving.

    Forensic Services Include:
  • 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
  • 12/1/2011 · Forensic Analysis
    Forensic Audio and Video Enhancement & Clarification
    Generally transcriptionists do not do detailed work with inaudible material, sometimes passing by whole words and phrases that may in fact be deciphered if taken the time and care to do so. We pride our selves in our ability of composing precise transcriptions from illegible audio.

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    DENNIS WALSH
    19 Anderson Street, suite 15
    New Rochelle NY 10801
    USA
    phone: 1-914-774-8410
    fax: 1-718-364-5593
    Dennis Walsh, NYC Police Detective (Retired), is a Primary Audio & Video Investigative Engineer. Mr Walsh's career in Criminal Justice and Forensic Audio spans 26 years. Mr. Walsh is Chief Engineer at SorchaAAudio Group and specializes in Audio Authentication & Enhancement, Certified Forensic Transcript, delivering Expert Testimony and Evidence Presentation. Having your media "Marked and Entered" as evidence is my goal. My fee to go to court in NYC area is included. Outside of NYC is travel expense.

    Mr. Walsh is Court Qualified in NY Criminal Court, NY Supreme Court, NY Civil Court, SDNY, EDNY, New York State office of Professional Discipline and others. Mr Walsh has testified over 1,000 times.

    Areas of Expertise / Services:
  • Audio & Video Enhancement & Authentication
  • Audio Understandability, Video Freeze-Frame
  • Tape & Digital Analysis, Edits, Stops, Starts, Tampering
  • Forensic Certified Transcript
  • Voice comparison & Elimination
  • Affidavits, Depositions & Testimony
  • Forensic Consulting Audio & Video
  • CCTV Video – De-multiplexing, Security Photos
  • Video - Single Frame Enhanced
  • Answering Machines, Cell Phones, Mini-Reorders, All Formats
  • Fully Equipped Lab Digital Audio & Video Processing & Voice Identification
  • Record Industry Practices
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    Paul Daubitz
    Telecom Expert
    10 Annapolis Way West
    Newbury MA 01951
    USA
    phone: 978-462-5000
    Paul
    Paul Daubitz has over forty years of experience in the Telecom and Information Technology Industries. For over thirty years, he has been consulting to businesses and governments and providing expert testimony in legal cases, both federal and state He has been an expert in more than one hundred cases.

    Mr. Daubitz's career started with New England Telephone which, included two years on the Corporate General Staff. He then managed Telecommunications for the State of Massachusetts, where he had responsibility for wired and wireless telecommunications. He is a graduate of the University of Massachusetts Amherst, and he holds a Master of Science Degree in Telecommunications (MST) from the University of Colorado. He was the First recipient of the University of Colorado's Telecommunication Program Outstanding Alumni Award. He served on the Executive Committee of the Advisory Board to the University of Colorado's Telecommunications Program for fifteen years.

    Mr. Daubitz has authored two books (The Public Managers Phone Book and The Complete Guide to Buying a Telephone System) and many articles in the Telecom field and has been an invited speaker at numerous conferences including Massachusetts Continuing Legal Education- "Cell Phones and their Mysteries", Boston Bar Association "Tracking People by their Cell Phones," and the Licensed Private Detective Association of MA "Cell Phones and their Mysteries."

    Mr. Daubitz is a life member of The Institute for Electrical and Electronic Engineers (IEEE), and a member and Past President of The Society of Telecommunications Consultants (STC). He is a constable in the Town of Newbury, Massachusetts.

    Major Capabilities Include:
    • Call Center Management
    • New Media Applications
    • Data Communications
    • Wireless Applications
    • Long Distance Cost Control
    • Network Design
    • Strategic Planning
    • Public Safety
    • Disaster Planning & Technology Negotiation.
    Expertise applied in cases involving:
    • Criminal Cases: Homicide, Harassment, Robbery, Violation Restraining order.
    • Damage to Telecom Facilities: Fire Damage, Dig Damage.
    • Personal Injury involving Cell Phones.
    • Intellectual Property, Technical, Patent, Testing.
    • Cellular related matters: Class Actions, Damages to Cell Equipment, Cell Tower Issues, Call Centers.
    Electronic Communications Privacy Act of 1986: Intercepting Pages
    In a Federal Criminal Case, a decorated New York City policeman was accused of intercepting Police Department pages. One issue was the interpretation of The Electronic Communications Privacy Act of 1986, specifically in relation to 18 U.S.C. Sections 2510, 2511 and 2512 (the "Act").

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    Wes Dooley
    1029 N. Allen Avenue
    Pasadena CA 91104
    USA
    phone: 800-798-9127 or 626-798-9128
    fax: 626-798-2378
    Wes Dooley's longtime passion for audio has infused his company, Audio Engineering Associates (AEA), with a well balanced blend of creativity and technical expertise for forty years. At the core of AEA is a genuine interest in the art and science of audio. From areas as diverse as Forensic Audio and Microphone Design, Wes' passion for audio has led him all over the world, from recording experiences in Europe, Africa, and New Zealand, to the courtrooms of Los Angeles as a forensic audio and video expert witness.

    Forensic Audio & Video Services Include:
  • Audio and Video Enhancement
  • Authentication of Recorded Evidence
  • Courtroom Presentations and Testimony
  • Binaural Audio Environment Recreations for Jury Presentation

    Appraisals & Brokerage:
  • Recording Studio Equipment Inventories and Appraisals
  • Lease End-Value and Equipment Depreciation Projections
  • Evaluations of Technical Condition and Suitability
  • Sales Strategy Consultations

    Used Equipment Inventory


    Microphone Repair and Restoration
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    Barry G. Dickey
    DABRE, FACFE
    506 Marquis Lane
    Mansfield TX 76063
    USA
    phone: 817-417-0778
    fax: 817-473-3573
    Barry G.
    Barry G. Dickey is the certified forensic expert for Audio Evidence Lab, a laboratory specializing in the Analysis of Audio / Video Evidence. Mr. Dickey has examined evidence in over 1000 cases in the USA and Europe. He has provided expert testimony on issues involving both audio and video evidence. Utilizing DSP technology, analytical equipment, and microscopic resolution, Mr. Dickey employs scientifically accepted techniques to provide the critical evidence required in the courtroom.

    He has consulted with news networks in reference to the "Osama bin Laden Tapes" as well as tapes released by other foreign news networks.

    Services Include:
  • Analysis Of Audio / Video Evidence
  • Digital Enhancement / Restoration
  • Voice Identification / Elimination
  • Event / Sound Identification
  • Expert Testimony / Consultation
  • Piracy / Copyright Infringement
  • Transcription
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    Marisa Dery, ACFEI, AES, NAIS
    Forensic Audio Analyst
    P.O.BOX 440041
    Somerville MA 02144
    USA
    phone: 617-543-9615
    Marisa T. Dery is the Chief Engineer at the Tamar Mastering Group -which includes Audio Forensic Lab and Tamar Mastering- and has over 20 years of experience in the Audio / Video Industry. She is also the principal consultant in Forensic Audio at ARCCA, a technology service firm, and was an Audio Engineer at Harvard University's Audio Preservation Services.

    Ms. Dery offers Audio Enhancement and Restoration for Law Enforcement Agencies, Prosecuting Attorneys, District Attorneys, Defense Attorneys and the General Public. She is currently a member of the American Board of Recorded Evidence (ABRE).

    Services Offered:
    • Audio Enhancement/Noise Reduction/Tampering
    • Restoration,Playback Speed Correction
    • Audio from video enhancement/Music Mastering
    Affiliations and Training:
    • American College of Forensic Examiners International (ACFEI)
    • Audio Engineering Society (AES)
    • National Assoc. of Investigative Specialists (NAIS)
    • National Center for Media Forensics, ESA, STC, Harvard
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    Robert W. Sanderson
    President
    3 Neptune Drive, Suite Q14b
    Poughkeepsie NY 12601
    USA
    phone: 845-797-3850
    fax: 845-463-3116
    Robert W.
    Welcome to the most technologically advanced audio/video lab in the world!

    Robert W. Sanderson is the President and Chief Engineer at Audio Video Forensic Labs Inc. Professionally trained and certified in audio / video authentication and enhancement as well as voiceprint identification. His experience and intuitive capabilities both in the lab and in the courtroom can yield impressive results where others fail. Job 1 - Help deliver usable evidence whenever possible.
    Areas of Expertise
    Forensic Audio Services:
  • Forensic Audio Examinations and Authentication
  • Audio Restoration
  • Noise Reduction
  • Audio Enhancement
  • Voiceprint Identification

    Forensic Video Services:
  • Video Enhancement
  • Video Authentication
  • Stabilize Cellphone Video
  • Video Enlargement
  • Mobile Video Lab
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    Bruce E. Koenig
    Founder
    12115 Sangsters Court
    Clifton VA 20124-1947
    USA
    phone: 703-631-7099
    fax: 703-266-4461
    Bruce E. Koenig is the senior examiner and owner of BEK TEK LLC. He has been involved in the Forensic Analysis of Audio and Video Recordings on a full-time basis since 1974. Mr. Koenig & his associates conduct forensic examinations of audio and video media (analog and digital) to authenticate recordings, improve intelligibility, identify/classify voice and non-voice signals, and compare voice samples.

    Services Offered:
  • On-Site Evaluations of Acoustical Sounds and Environments
  • Prepares Transcriptions
  • Presents Expert Testimony
  • Assists Attorneys in Preparing for Cross-Examination of Opposing Experts
  • Evaluates Appropriate Recording and Analysis Equipment
  • Provides Forensic Training in Audio/Video Analysis
  • Conducts Research Regarding Forensic Applications
  • Directs the Forensic Work of Other Consultants
  • Forensic Authentication of Digital Audio Recordings
    The formal procedures for the scientific authentication of audio media in investigative matters and legal proceedings have been updated as a result of the widespread conversion from analog to digital technology since the 1990s.

    11/25/2008 · Digital Forensics
    Video And Audio Characteristics In VHS Overrecordings
    Authenticity examinations of VHS (video home system) cassettes are commonly performed in forensic laboratories and can usually determine whether a submitted recording is original, continuous, and unaltered. One of the important determinations of this analysis is identifying any portions that have been recorded over

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    Robert Bruce
    Principal
    16155 Park Row, Suite 150
    Houston TX 77084-6971
    USA
    phone: 281-492-2784
    fax: 281-492-1434
    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.
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