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Audio Evidence
There are 14 expert consultants 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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    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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    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.

    Forensic Enhancement of Digital Audio Recordings
    A protocol is described to improve the voice intelligibility of investigative and other forensic audio recordings collected via digital recording systems, whether audio only or audio/video units.

    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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    Christine Froehlich
    Project Manager
    18401 Burbank Blvd, Ste 107
    Tarzana CA 91356
    USA
    phone: 818-776-3470
    fax: 818-776-3477
    Christine
    IPS is Interactive Presentation Solutions, Inc., a full service visual resource company. Combining the latest in presentation technology and the experience of our visual and legal experts toward achieving our life's work: the persuasive presentation of evidence to help our clients obtain favorable verdicts.

    IMPACT + SUBSTANCE

    Our visual experts create stunning, impactful presentations. Our legal experts provide the substance. The latter apply their extensive background in thoroughly analyzing each case to come up with the most appropriate strategies for creating effective visuals. Immersed in the minute details of the case, they assume the vital role of In-Court Visual Directors in an actual trial. Perfectly synchronizing the visuals with your verbal communications for a seamless and well-coordinated presentation.

    TECHNOLOGICAL EDGE

    IPS works with your firm's trial team to develop well-organized, easily accessible exhibits that will save time and make your arguments more convincing in the courtroom. IPS supports most presentation software programs on the market today, and can train your personnel or supply our technicians to support you in trial. IPS can provide or arrange for all of the equipment used throughout the trial, and support a trial war room.

    Our staff members have been involved in numerous cases over the past 20 years, earning a national reputation for excellence in trial visual communications and research. IPS professionals have worked in virtually every area of litigation.

    Services:
  • Consulting / Case Analysis
  • Animation
  • Audio Video Enhancements
  • Demonstrative & Document Exhibits
  • Graphics & Visual Services
  • Video Editing
  • Trial Exhibit Management
  • Website Preservation
  • Courtroom Presentations
  • Settlement Presentations
  • Presentation Seminars / MCLE
  • Training
  • Equipment Rentals
  • The Subtle Nuances between Trial Director and Sanction from the Trial Technician’s Perspective
    We all get asked this question a lot from attorneys: What’s the difference between Trial Director and Sanction? From their perspective, it’s all about user friendliness.

    Power Point & Graphics Overload in the Courtroom
    The use of technology is now a prevalent occurrence in the courtroom. Presentations and graphics can greatly increase the effectiveness of your opening and closing arguments, and generally help your jury or judge retain a much higher level of information.

    Demonstrative Evidence and Trial Presentations: Common Pitfalls Using Power Point
    With the explosion of technology becoming an everyday occurrence in the court room, here are some tips to avoid the common pitfalls.

    Presentations and graphics can greatly increase the effectiveness of your opening and closing arguments, and generally help your jury or judge retain a much higher level of information. So what’s the downside?


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    John R. Grindon, D.Sc.
    P.O.Box 4067
    Hazelwood MO 63042
    USA
    phone: 314-895-4747
    fax: 314-895-0830
    Dr. John R. Grindon’s professional work experience is centered on the research, design, and development of Digital Signal Processing, Machine Vision, and Electronic Imaging Systems incorporating Electronics, Sensors, Algorithms, and Computers. As an engineering consultant, he works with management and project teams to identify requirements, develop concepts, perform engineering analyses, and implement solutions.

    Dr. Grindon serves as a technical consultant and expert witness on patent litigation cases. For these cases, he does research, analyzes patents, prepares expert reports, and performs other activities as needed. He has been deposed and has testified at trial.

    Areas of Expertise:
  • Digital Signal Processing (DSP)
  • Patent Analysis, Litigation Support
  • Image Processing and Analysis
  • Parameter and Geometry Calibration
  • 3D and 2D Machine Vision
  • Missile Guidance and Targeting
  • Statistical Estimation and Optimization
  • Electronic Systems Architecture
  • Statistical Performance Analysis
  • Electronics Design
  • Software and Algorithm Development
  • RF Design and Microwave Systems
  • Communications Theory
  • Direction Finding and Antennas
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    Jennifer Owen
    President
    PO Box 189
    758 S. Middlesex Avenue
    Colonia NJ 07067
    USA
    phone: 732-574-9672
    fax: 732-381-4523
    Jennifer
    Owen Forensic Services, LLC maintains a state of the art facility for the purposes of Digital Audio Enhancement, Digital Video Enhancement, Digital Audio and Video Authenticity Analysis, Voice Identification and Media / Data Recovery. Owen Forensic Services provides forensic consulting, examination, expert testimony (35 different states) and a combined 50 years of experience. O.F.S.s' work has resulted in countless successful outcomes for both the prosecution and the defense.

    Jennifer Owen, B.A., M.A. has worked in the forensic audio and video field since 1995. She began her forensic career by working under the tutelage of her father, Thomas J. Owen, renowned international Forensic Analyst.

    Ms. Owen has completed numerous Forensic Audio, Video and Voice Identification trainings and is currently a member of The American College of Forensic Examiners and is on the board of The American Board of Recorded Evidence. Through out her training and career, Ms. Owen has lectured and co-presented at seminars throughout the United States with Thomas J. Owen.

    Clients Served: Law Enforcement Agencies, State Police, the Federal Government, Prosecuting Attorneys, Defense Attorneys, Banks, Convenience Store Chains, Legal Aid Society, Public Defenders, Corporations and the business community in general.

    Services Include:
  • Audio Analysis
  • Video Analysis
  • Audio Tape Enhancement
  • Video Tape Enhancement
  • Audio Authenticity Analysis
  • Video Authenticity Analysis
  • Voice Identification
  • Voice Elimination
  • Training
  • Certification
  • Testimony


  • 3/21/2011 · Forensics
    Voice Identification The Aural / Spectrographic Method
    The forensic science of voice identification has come a long way from when it was first introduced in the American courts back in the mid 1960's.

    2/9/2011 · Forensics
    Law And The Expert Witness - The Admissibility Of Recorded Evidence
    Audio tapes, Video Tapes, Voice Identification, Enhancement and Authenticity Issues related to the admissibility of recorded media must pass certain legal criteria before it can be presented as evidence in a court of law.

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