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Speech & Voice Technology Expert Witnesses

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Jonathan Broyles
Sr. Forensic Examiner
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/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 and Testing
  • Recording Equipment Restoration
  • Playback Speed Correction
  • Media Repair and Cleaning Services
  • Many Tape and Digital Formats Supported
  • Related Litigation Support
  • Dictaphone Restoration and Transfer Services
  • 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)
    • International Association of Identification Rocky Mtn Division (RMDIAI)


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    Barry G. Dickey
    DABRE, FACFE
    506 Marquis Lane
    Mansfield TX 76063
    USA
    phone: 817-539-0930
    fax: 817-473-3573
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    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 1500 cases in the USA, Canada, Mexico, Japan, Philippines and Europe. With over 20 years of experience, he has provided expert testimony in federal and state courts on issues involving audio, video, and voice identification. 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" and "2012 Presidential Debates" as well as tapes released by other foreign news networks. Recent cases also include "NFL Bountygate" and "Holy Land Foundation" investigations.

    Services Include:
  • Analysis Of Audio / Video Evidence
  • Digital Enhancement / Restoration
  • Voice Identification / Elimination
  • Event / Sound Identification
  • Expert Testimony / Consultation
  • Piracy / Copyright Infringement
  • Transcription
  • 4/15/2014 · Audio Forensics
    The recent proliferation of audio and video recordings coming from various terrorist organizations around the world presents two distinct areas of concern to the forensic examiner. This article presents information on the authenticity methodology of videotapes, including a perspective on "implied evidence" and the continuing necessity for voice identification.

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    Les Baxter, P.E.
    President
    154 Pinckney Rd.
    Little Silver NJ 07739
    USA
    phone: 732-212-1400
    fax: 425-969-5779
    Les Baxter has more than 30 years of experience in the Telecommunications Industry, He has a broad background in just about every phase of product development and deployment, including system architecture, systems engineering, standards, product design and testing, etc.

    Mr. Baxter has extensive experience with Patent Infringement and Invalidity cases, Network Performance / Breach of Contract Cases and Telecommunications / Networking Product Liability cases. He has been deposed three times and testified at trial twice.

    Areas of Technical Expertise and Experience Include:
  • Systems Engineering and Offer / Value Proposition Development
  • System and Product Architecture
  • Hardware, Firmware, Software Development
  • Data Communication / Networking and LAN Protocols
  • Standards Strategy and Development
  • Global Technical, Sales, and Marketing Support
  • Technical Due Diligence
  • Specific Areas of Product Experience Include:
  • Structured Cabling and Physical Layer Networking
  • Residential Networks and LANs
  • Switching systems (circuit, packet, and optical)
  • Optical Networking
  • Les Baxter
    Cabling infrastructure and networking technologies are the main focus of this book that features just enough applications and access technologies coverage to illustrate the trade-offs between the options. Residential Networks presents a "soup to nuts" examination of home networking, from physical layer transmission issues to different types of networks and present-day applications such as voice telephony, data networking, entertainment networks, and home automation.
    Les Baxter and Donald J. Sterling
    There is no better introduction to premises cabling, its components, and its varieties than this basic yet technically accurate presentation of structured cabling systems for both business and home. Now in its Third Edition, Premises Cabling has been updated and revised to reflect the latest developments in the industry, such as the Augmented Category 6 UTP cable, the 10GBASE-T Ethernet standard, application-oriented data center cabling, industrial cabling, wireless networks, and more.
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    Bruce E. Koenig
    Founder
    9 Kingsland Drive
    Suite 111
    Stafford VA 22556-1353
    USA
    phone: (540) 602-2706
    Bruce E. Koenig is the senior examiner and founder 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, video & still images (e.g. JPEG) media to authenticate, improve voice intelligibility, identify/classify voice and non-voice signals, compare voice samples, and enhance video & images.

    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
  • 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.

    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
    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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    Dr. Durand R. Begault, PhD
    AFC Director
    130 Sutter Street, Floor 5
    San Francisco CA 94104
    USA
    phone: 415-397-0442
    fax: 415-397-0454
    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.
    Durand R. Begault, PhD
    Written by an author with expertise in both theory and applications, 3D Sound for Virtual Reality and Multimedia provides readers an essential technical foundation in sound and virtual reality. The book covers components of spatial auditory displays; psychoacoustics of spatial hearing; what sounds are appropriate to spatialize; applications to human-machine interfaces (including virtual reality and multimedia); computer music; and room acoustics.
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    Ray Horak
    President
    1500A E. College Way, PMB 443
    Mt. Vernon WA 98273
    USA
    phone: 360-428-5747
    fax: 360-416-3378
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    Ray Horak is an Independent Consultant with a General Practice in Wireline and Wireless Telecommunications and Related Fields such as the Internet and Voice over IP. His 45 years’ experience includes management and executive positions with Southwestern Bell, CONTEL, and Executone prior to forming The Context Corporation.

    Ray has authored the best-selling Communications Systems & Networks, (John Wiley & Sons, 1997, 2000, and 2002), Telecommunications and Data Communications Handbook (Wiley-Interscience, 2008), and Webster’s New World Telecom Dictionary (Webster’s New World, 2007). He was Senior Contributing Editor for Newton’s Telecom Dictionary (12th through 21st Editions). He has written hundreds of technical white papers, case studies, articles, and columns for major print and electronic publications such as CommWeb, Computer Telephony, Network World, The Prepaid Press, and Teleconnect. He also has served as Technical Editor for several book-length works, including Deploying Secure 802.11 Wireless Networks with Microsoft Windows (Microsoft Press, 2003). He currently is the Technology Editor for Telecom Reseller Magazine.

    Ray regularly teaches public and private seminars and has spoken before tens of thousands of telecom and IT professionals in the US and abroad as a conference keynoter, seminar and tutorial leader, panel chair, and panelist at major industry conferences such as ComNet and Networld+Interop.

    He also has provided litigation support as a consulting expert and testifying expert in a number of cases involving product / service misrepresentation and intellectual property (patent; copyright, and trademark / service mark infringement). Those cases have involved a broad range of technologies, including Automatic Telephone Dialing Systems (ATDS), DSL, E911, fax, PBX, push-to-talk (PTT), Telephone Consumer Protection Act (TCPA), videoconferencing, VoIP, and voice processing.

    Ray Horak is known for his ability—both in print and in person—to translate highly complex technical subject matter into plain-English, commonsense, and thoroughly understandable terms for technical and lay audiences, alike.
    2/27/2010 · Telecommunication
    In an effort to address a growing number of telephone marketing calls and certain other telemarketing practices thought to be invasions of privacy, Congress enacted the Telephone Consumer Protection Act of 1991 (TCPA), codified at 47 U.S.C. § 227. We all know about the restrictions on unsolicited telemarketing calls..

    9/16/2008 · Communication
    Communications is a science, an art, and a field of study, depending on the context. In simplest terms, communications is the means by which people express ideas or information

    Ray Horak, Harry Newton, Mark A. Miller
    An instant classic and a best seller, with more than 65,000 in print. It served as the basis for Horak’s more contemporary works, Telecommunications and Data Communications Handbook (2008) and Webster’s New World Telecom Dictionary (2007).
    Ray Horak
    A comprehensive and authoritative telecommunications dictionary of more than 4,600 terms essential to a clear and thorough understanding of voice, data, video, and multimedia communications system and network technologies, applications, and regulations. Webster’s is an absolutely unimpeachable resource written by a recognized expert in the field. Webster’s enjoys great critical acclaim, as do all of Horak’s works.
    Ray Horak
    The one book you’ll need to understand the entire telecom landscape, from copper to fiber, wireline to wireless, LANs to MANs to WANs, TDM to IP, AAL to Zigbee and everything in between. Written in a plain-English, commonsense style by an authority on the subject, this critically acclaimed book is at just the right level for the serious professional who wants to get at the whole truth—without the math.
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    David H. Williams
    PO Box 220442
    Saint Louis MO 63122
    USA
    phone: 203-423-9015
    E911-LBS-Consulting-Logo.jpg
    David Williams Telecommunications Expert PhotoDavid H. Williams is an internationally-known expert in the Wireless / Mobile Location field and President and Founder of E911-LBS Consulting.

    In his over 30 years in communications and information technology solutions design, selection, implementation and ongoing management, Mr. Williams has extensive experience in the activities and issues needed to get applications to market, including planning and design at the application, system, interface / integration, network, IT, operational and customer facing levels.

    Mr. Williams has extensive expertise in all aspects of LBS delivery across the mobile location ecosystem including enabling network communications, location technologies / sensors, map data, geospatial platform / Geographical Information Systems, GPS and other location chipsets, location data management, and device, infrastructure, and integration providers.

    David Williams has developed and implemented industry-leading product and technology strategies and solutions for numerous LBS applications and markets and provides consulting and research services to some of the leading carriers and enterprises in the U.S., Asia, and Europe

    Litigation Support - Mr. Williams provides the highest quality and most impactful expert witness services related to wireless location, across the full range of IP / Patent Dimensions from the most technical to those regarding business methods. His services include forensic analysis, reports, and testimony on the validity and accuracy of various types of GPS surveillance devices and associated tracking. Mr. Williams has successfully provided expert witness services in over 25 patent, anti-trust, and ITC cases, including several successful Inter Parte Reexaminations (IPRs). His credentials in wireless location prior art go as far back as the early 1980s.

    Areas of Expertise:
    • Mobile Location-Based Services
    • Wireless 911 (E911); NG911
    • GPS Systems; Network-Based Location Determination Systems
    • Indoor Location Systems, incl. Real Time Location Systems (RTLS); RFID and other RF-based Location systems; WiFi-enabled positioning systems (WPS); Beacon-based systems; Hybrids/Combinations
    • Wireless Network Location Design
    • Location Data Privacy Protection and Data Security Design
  • People, Wearables Tracking / Monitoring
  • Asset Tracking / Location Management
  • Telematics / Driverless Car Ecosystem
  • Navigation Systems; PNDs
  • Map Data, Digital Mapping and GIS
  • Vehicle-to-Vehicle; Fleet Management
  • Mobile Social / Business Networking
  • GPS Forensics; Mobile / IT Integration
  • Location-centric Process Design
  • Mobile Product Design / Implementation
  • M2M, Smart Grid / Energy Systems
  • LBS Big Data and Cloud Computing
  • View David Williams' Consulting Profile.
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    Telecommunication / Technology Expert
    Los Altos Hills CA USA
    phone: 650-241-9231
    fax: 425-790-0949
    Oded-Gottesman-Telecommunications-Expert-Photo.jpg
    Oded Gottesman, PhD, CTO of Compandent Inc., provides world-class expertise and experience in working with leading law firms, expert witness services, prior art search, and related consulting for Technology Patent Infringement, Trade Secret Disputes, and related matters. Among his areas of expertise are:
    • DSP
    • Telecommunications
    • Cellular Networks (4G LTE, 3GPP, 3GPP2, etc.)
    • Packetized Networks
    • VoIP
    • Streaming Systems
    • Real-time Systems
    • Cellular Timing and Synchronization
    • Location and Position Systems (UTDOA, GPS, etc.)
    • Transcoding - Multiple Timing Sources, Data Rates
    • Source Coding
    • Channel Coding
  • Error Control Coding
  • Algorithms
  • Speech Audio and Video Processing
  • Signal Compression
  • Algorithms
  • Software, Hardware Implementation
  • Embedded Systems
  • Smartphones
  • Portable Devices
  • Client-server
  • Web Applications
  • Mobile Applications
  • Litigation Support - For the past 15 years, Dr. Gottesman has served as an expert witness in several cellular network and smartphone / tablet device related cases, including network operation, protocols, layers, signal processing, user / human interface, and applications.

    Selected Clients - Dr. Gottesman's clients have included: Alston & Bird, Cooley Godward Kronish, Cummins, Dechert, Echelon, Fenwick & West, Fish & Richardson, Hill Kertscher & Wharton, Kirkland & Ellis, Sidley Austin, Weir & Partners, Woodcock & Washburn, MagicJack, Microsoft, Nokia, Parts Geek, Samsung, TruePosition, Vinson & Elkins LLP, and Wiav.

    View Dr. Gottesman's Consulting Profile.
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    Ray W. Nettleton
    Telecommunications Expert / Consultant
    23301 Ridge Route, SPC 112
    Laguna Hills CA 92653
    USA
    phone: 949-916-2960 Cell: 303-809-4223
    Ray-Nettleton-Telecommunications-Expert-Photo.jpg
    Dr. Ray Nettleton is globally known for his expertise in Telecommunications, Satellite, Cellular, and Wireless Networks. Dr. Nettleton's career has included roles as an entrepreneur, corporate officer, international businessperson, engineer, educator, author, lecturer, and researcher. He is a life member of the IEEE.

    Litigation Support - Dr. Nettleton has served as consultant and expert witness in over 60 high profile regulatory, patent infringement, breach of contract, theft of IP, and other cases. He has provided expert witness testimony to Government hearings in Colombia, Brazil, New Zealand, Poland, UK, Ireland, South Africa, Philippines, and the FCC.

    Client attorneys include Wilmer Hale, Keker Van Nest, Latham Watkins, McKool Smith, Orrick, Hogan & Hartson, Freeborn & Peters, Patton Boggs, Kenyon & Kenyon, Finnegan Henderson, Alston Bird, Workman Nydegger, Ropes & Gray, Baker Botts, and Wilson Sonsini.

    Areas of Expertise:
    • Telecommunications
    • Wireless
    • Radio
    • Networks
    • Wireless Networks
    • Cellular Network
  • Wireless Standards
  • Satellite
  • Wireless LANs
  • Wi-Fi
  • WiLan
  • 3G, 4G
  • View Dr. Nettleton's Consulting Profile.
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    David Shaw
    9 Wimpole Street
    London W1G 9SG
    GBR
    phone: 44-207-193-8355
    David Shaw is an independent Technical and ICT Expert and Consultant involved in a wide range of high profile System, Integrations, remedial work on Failed Systems and Programs, Litigation, Expert Witness, Mergers and Acquisitions, Financial and Ultra-High Speed Trading Systems, Cyberwarfare and Defence work.

    Services Offered:
  • Governance
  • Strategy
  • Programme Definition
  • Capability
  • Enterprise Architecture
  • Process Engineering
  • Portfolio Management
  • Programme Management Office Implementation
  • Individual Assignments
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    Jacob Sharony, PhD, MBA
    Principal Scientist
    info@wirelessexpertconsulting.com
    Deer Park NY 11729
    USA
    phone: 631-865-1060
    Jacob-Sharony-Mobile-Wireless-Technology-Expert-Photo.jpg
    Jacob Sharony, PhD, MBA, has over 25 years of experience in Mobile and Wireless Technologies. He is currently an adjunct professor at Columbia University, teaching wireless technologies and applications. He also served as a faculty member of the electrical and computer engineering department and director of the Center of Excellence in Wireless and Information Technology at Stony Brook University.

    Dr. Sharony held engineering and management positions in diverse technology disciplines at Time Warner Cable, Motorola, BAE Systems, NEC Research Institute, and IBM Research. He has over 50 US patents (pending and issued) and has served on several government expert panels.

    Litigation Support - Dr. Sharony provides Patent and Class Action litigation support and expert consulting in mobile and wireless technologies. This includes patent infringement and invalidity analysis, FRAND analysis, writing expert reports, and deposition, and testimony in court. His deep knowledge of target markets, including telecom, healthcare, logistics, transportation, government, hospitality, mobile commerce and supply chain management, combined with extensive expertise in wireless and mobile technologies ensure innovative and successful solutions.

    Areas of Expertise:
    • WiFi
    • 4G LTE and WiMAX
    • 5G Access / Backhaul
    • Millimeter Waves (mmWave) 60 GHz
    • Bluetooth / BLE
    • ZigBee
    • MIMO
    • VoIP
  • RTLS
  • RFID
  • IoT
  • M2M
  • Wireless Sensing Technologies
  • Antenna Issues
  • Small Cell Issues
  • Security Issues
  • View Dr. Sharony's Consulting Profile.