Digital Signal Processing Expert Witnesses

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Digital signal processing expert witness candidates typically have an advanced degree, and extensive experience in electrical engineering, computer engineering, or computer science. A digital signal processing expert witness should have a deep understanding not only of the technology, but also of the industry, market size, market share, market dynamics, market trends, and competitive landscape. An expert witness in signal processing may be a member of a technical industry organization such as the IEEE.

A digital signal processing expert witness could provide expertise in intellectual property matters, such as a patent litigation or a trade secret dispute. An expert in digital signal processing technology might also provide testimony in a torts matter such as product liability. Litigation support by a digital signal processing expert witness could include a forensic investigation, reverse engineering, failure analysis, expert report preparation, expert opinion, and courtroom testimony. In a high-profile case, or litigation involving a significant financial stake, a law firm may request a technologist with prior expert witness experience. Clients may also seek an industry expert for pre-litigation consultant work.

Cahn Litigation Services has a vast expert network and often receives requests from law firms, representing the plaintiff or defendant, to locate a digital signal processing specialist. Cahn Litigation Services has worked on sourcing experts for numerous projects involving digital signal processing matters, including:

Cahn Litigation Services has earned the reputation of presenting expert witness candidates that precisely match the needs outlined by the legal team.

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Digital Signal Processing Expert Witness - Sample Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Digital Signal Processing experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Digital Signal Processing landscape.


Expert Witness #263741

This expert has extensive experience in the fields of electrical and computer engineering. This expert's areas of expertise include signal/image/video processing and analysis, communication systems, microprocessor systems, biomedical data analysis, electric circuits, and related software development - and the subject matter of dual streaming video is well within this expert's area of expertise. This expert holds a PhD in electrical engineering.

This expert is a faculty member in the Dept. of Electrical and Computer Engineering and Director of a Signal and Image Laboratory. This expert's research includes signal-image-video processing and analysis, with particular emphasis on automated image analysis. This expert regularly teaches courses in Digital Signal Processing, Digital Image Processing, Digital Image Analysis and Circuit Theory.

This expert served as Co-Director of a multi-university research center on communication circuits and systems. In addition to more than 150 publications in the field, this expert has been very active in professional activities as a Senior Member of the Institute of Electrical and Electronics Engineers (IEEE) Signal Processing Society.

This expert has been involved in the IEEE Southwest Symp. on Image Analysis and Interpretation (SSIAI). In addition, this expert served on the IEEE Signal Processing Society Technical Committee on Image, Video, and Multidimensional Signal Processing. This expert was involved in an IEEE Intl. Conf. on Image Processing (ICIP), as well as positions on numerous other professional committees.

This expert has extensive expert witness experience including being deposed and testifying at the ITC, for IPRs and in District Court.


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Expert Witness #225731

This expert holds a Ph.D. and is a former Fulbright Scholar with several decades of involvement in software, digital audio, digital music, digital signal processing and processor architecture. This expert is a successful independent software consultant and assists in high-level languages and assembly language used for audio signal processing.  This expert is an accomplished programmer in high-level languages such as C and C++ as well as in low-level assembly language for digital signal processors. This expert draws on experience gathered with mainframe computers and punched cards, mini computers, microcomputers, personal computers, embedded processors, and mobile devices. This expert's career presaged and then closely tracked the development of software and digital media starting before the advent of the personal computer and the compact disc. This expert has decades of experience in academia and industry as researcher, employee, manager, and independent consultant. This expert has published widely, and is considered to be a skilled teacher, specializing in software and source code, digital signal processing, mathematics, algorithms, internet protocols, file downloading, file streaming and client/server networks. This expert is a seasoned expert witness specializing in patent litigation with experience in Federal Court, the International Trade Commission, and the US Patent Office. This expert has been deposed 15 times, testified at trial 3 times, and submitted 9 IPR declarations. This expert handles validity and infringement for both plaintiffs and defendants.


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Expert Witness #217752

This expert brings to the table many years as a working engineer designing, among other related products, antennas and antenna arrays, multi-antenna backhaul radios and their associated hardware and firmware. This includes developing high bandwidth signal processing for advanced packet radio networks, including RF, analog, digital, and microcontroller support circuits. This expert’s expertise spans analog, digital, and RF circuit and filter design, antenna design, sampling, complex modulation and demodulation, signal processing, microcontrollers, multiprocessing, firmware, digital interfaces, C, Verilog, air protocol design, wireless networking, security and authentication, asset tracking, real time location, multipath processing, signal processing, homologation, regulatory agency and standards issues. This expert’s areas of technical proficiency include wireless data, voice and video, WLAN, WWAN, WiMax, Cellular, Wi-Fi including 802.11a/b/g, 802.11n, 802.11ac, 3G, 4G, LTE, interference management, MIMO, OFDM, Space-time processing, MMSE, Single Carrier, SC-FDE, spatial multiplexing, beamforming MU-MIMO, ARQ, transmit precoding, antennas, modulations (QAM, FSK, PSK, PPM, PCM, etc.), and other narrowband and spread spectrum technologies (FH, DSSS, CDMA, UWB), FEC, interleaving, wireless sensor networks, RFID (passive, BAP, Active, UHF, HF, and NFC), RTLS and asset tracking. This expert has worked on all forms of analog, digital, and RF hardware designs for communications systems and general circuits from baseband to 7 GHz operation and millimeter wave design issues. This expert has designed antennas, developed innovative physical layer and MAC layer designs, worked on five ASICs, built microcontroller and microprocessor based systems, wrote firmware, modeled in MATLAB, did ASIC system engineering, designed RF channel probes for analyzing multipath, MIMO signal processing, millimeter wave systems, designed protocols, ran standards groups, worked with regulatory agencies, set up long range terrestrial radio installations, developed entire systems flow and worked closely with customers to solve process and implementation problems, generate sales, understand markets, help them through pilot programs to get to sales, and overcome technical hurdles to get to a sellable position.

This expert has worked with the FCC, ETSI, IC, Anatel and MIC in developing rules for RFID, WLAN, Radar compatibility, and fixed radio operation. This expert has participated in 802.11 working groups the RFID Gen2 working group, participated in several other groups including Data Protection, ISO 18000-6, and Item Level tagging technology group. This expert is the named inventor on nearly one dozen patents including one for an Antenna for a backscatter-based RFID transponder. This expert’s expert witness experience includes more than 30 cases split across plaintiff and defendant, infringement, invalidity, rebuttals, claim construction, IPRs (petitioner and owner), and licensing disputes. This expert has been deposed 7 times, and has been prepped for trial 3 times.


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Expert Witness #261795

This expert is a Professor Emeritus of Digital Signal Processing. This expert received S.B. (Bachelor's), S.M. (Master's), E.E. (Professional Engineer's), and Sc.D. (Doctorate) degrees, all in Electrical Engineering and Computer Science. During graduate work, this expert was supported by a fellowship for research in hearing prostheses, and corporate sponsorship for the development of real- time automatic speech recognition systems. This expert is a member of the Acoustical Society of America, and is a Fellow of the Institute of Electrical and Electronics Engineers (IEEE). This expert has been a member of the IEEE Speech Technical Committee. This expert is also founder and director a speech technology company. This expert's current research interests involve digital processing of speech signals. This is concerned with such problems as the application of digital speech technology to sensory aids for the hearing impaired and automatic recognition of speech in adverse conditions. Some of the interesting problems arising from these applications include enhancement of speech in noise, formulation of robust perceptual distance measures, and real-time implementation. This expert also does work in efficient coding of speech signals, auditory modeling for improved speech analysis, speech production modeling, general digital signal processing, and pattern recognition.

-  This expert has been working in the field of computer processing of speech for many years and been an active consultant, inventor, entrepreneur, and teacher.
-  This expert started work on speech-to-text on with a startup.
-  This expert actively worked on speech-to-text commercially as a consultant, developing automated dictation transcription technology.
-  This expert founded a speech technology company that provided high-speed automated indexing and searching of voice. One product that was developed automatically aligned closed captioning with audio.
-  This expert was actively engaged in research focused on speech-to-text.
-  This expert is a named inventor on ten granted US patents all dealing with speech processing.
-  This expert has published nearly 200 peer reviewed articles, primarily concerned with speech processing.

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Expert Witness #123119

This expert holds B.S., M.S. and Ph. D. degrees in Electrical Engineering. This expert has worked on the design of bipolar differential amplifiers, as well as in the areas of custom IC design, software compatible gate array design, one- and two-dimensional device modeling, circuit modeling, and double level metal process development. This expert was Manager of a Signal Processing Design and Test Department, responsible for the design and test of high performance VLSI/VHSIC CMOS and BIMOS digital and analog ICs, the development of supporting design and test methodologies and CAD tools, functional and parametric test, and the development of high performance and high resolution DSP and oversampled systems.

This expert is a Distinguished Professor and Director of the High Performance VLSI/IC Design and Analysis Laboratory at a major university. This expert’s current research and teaching interests include:

On-Chip Interconnect, Power, and Substrate Coupling Noise

High Performance Digital and Analog Integrated Circuit Design

Three-Dimensional Integrated Design Methodologies, Algorithms, and Test Circuits

Circuits, Models, and Architectures Based on Emerging Technologies

Efficient Power Delivery for Highly Complex Integrated Systems

High Performance Clock Distribution Networks

This expert has authored twelve book chapters and many papers in the fields of high speed and low power CMOS design techniques, interconnect and substrate noise, pipelining and retiming, three-dimensional integration, and the theory and application of power and synchronous clock distribution networks. This expert has also authored or edited sixteen books. This expert is a Fellow of the IEEE, an editor of the Journal of Circuits, Systems and Computers, a Member of Analog Integrated Circuits and Signal Processing, Microelectronics Journal, Journal of Low Power Electronics, and Journal of VLSI Signal Processing, and a Member of the technical program committee of a number of conferences.


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Expert Witness #215711

This expert has many years of experience in computer science, software development, embedded systems, networking, enterprise software systems and digital audio signal processing. This expert has specific experience with MPEG audio compression and MPEG source code, and has conducted large scale software architecture/Analysis in C++ and other programming languages. Holding a Doctor of Musical Arts degree in digital audio technology, this expert spent years as a Researcher and Lecturer for graduate and undergraduate courses in computer science and digital audio at a prestigious university. As part of DMA thesis work, this expert conducted foundational research in digital audio that led to hardware and software systems to compute digital audio in real time. A former software architect for multinational conglomerate corporation charged with the development of an audio media recording system, this expert is now consulting for high technology companies across the globe on the software and hardware surrounding audio processing systems, including read-time music systems. This expert has sustained a long and successful career at the cutting edge of software development and design using multiprocessor/multi-core architectures for signal processing and control. This expert has experience as an expert witness on numerous cases, has testified before a jury, at Markman claim construction hearings, and has been deposed numerous times on cases involving patent litigation, trademark infringement, copyright litigation and inequitable conduct. Most of the cases have involved digital audio hardware and software technologies.


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