Speech To Text Expert Witnesses

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Speech to text expert witness candidates typically have backgrounds and expertise in computer science, electrical engineering, software engineering, digital voice processing, voice identification, linguistics, and/or natural language processing. Cahn Litigation Services is frequently called upon by lawyer clients to locate an expert witness that can support speech to text matters, on behalf of either a plaintiff or defendant.

Speech to text is a type of speech recognition program that converts spoken to written language. Speech to text software “listens” to audio and strives to deliver an editable, verbatim transcript. There are several speech to text software programs commercially available.

Often, matters requiring speech to text expert witness services involve intellectual property, such as patent infringement litigation or trade secret disputes.

Litigation support by a speech to text expert witness could include computer software analysis, forensic analysis, deposition testimony, an expert report, expert opinion, and expert witness testimony in court. In a high-profile case, or litigation involving a significant financial stake, a law firm may request a testifying expert with prior litigation experience. A speech to text expert needs to not only have substantive expertise but must also possess the ability to explain expert evidence to a juror and judge. In addition, clients often seek a speech to text expert for consultant work for pre-litigation tasks.

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Speech To Text 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 Speech To Text experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Speech To Text landscape.


Expert Witness #259627

This expert earned a Master's Degree in Software Engineering. This expert brings to the table many years of experience in the technology industry, including in the speech recognition industry where this expert's company developed speech technologies. As the founder of a highly successful and internationally recognized consultancy, this expert has pioneered ground-breaking speech recognition concepts that have pushed the limit of speech recognition in the aviation and aerospace industries. Prior to that, this expert had been involved in speech recognition and artificial intelligence at several other startups that this expert founded. This expert also served as Director of Advanced Technology where this expert helped architect and design an Internet Proxy Cache Server technology. This expert also developed the world's first real-time Internet content filtering technology and became the company's international expert on content filtering. This expert also served on the Business Development Team where this expert was responsible for advanced technology licensing.

This expert developed the first commercial computer telephony system to incorporate artificial intelligence, voice recognition, and text-to-speech. The system was used to offer unattended telephone customer support to callers. This technology was used by many high-technology companies. This expert also developed one of the first software development toolkits for computer telephony boards that turned microcomputers into computer telephony systems.

Additionally, this expert served as President and CTO where this expert was instrumental in the design of a next-generation carrier-class managed voice and data services which utilized voice recognition, text-to-speech (TTS), and mobile wireless connectivity. This expert also has in-depth experience in the vision industry and has developed custom vision cameras and embedded software systems that incorporate artificial intelligence resulting in systems that have been used to provide real-time visual feedback in technologically challenging environments.

This expert is a prolific software coder and has a thorough understanding of the review process at a deep code level. This expert is also familiar with the data compression protocols utilized by Siri as well as Siri's evolutionary operations and growth, including the introduction of their new A11 processor and movement to migrate some speech recognition requests onto the device thus eliminating the need to always establish a client/server connection when some grammar rule based commands can be handled offline.

This expert has received a patent for multi-tasking artificial intelligent processing and still utilizes AI experience in pre and post-recognition processing systems designed by the firm today. This expert has been an expert witness in several speech recognition related cases and is very familiar with the deposition process and deposes very well against the toughest of lawyers.


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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 #209093

This expert brings many years of experience in Computer Science, eCommerce, and Telecommunications. This expert specializes in Natural Language Speech Recognition, with transcription and bi-directional translation, speech recognition servers using standardized speech and command protocols. This expert performed multiple code reviews on Android and IOS Operating system and mobile applications. This expert has been a testifying expert for over 60 cases, IPRs, and Patent Litigation cases including Telecommunication and Speech Recognition providing infringement, invalidity, deposition and trial testimony. This includes testifying in a patent suit for a mobile transaction authorization system using biometric/voice authentication where the judge found for this expert’s client and cited this expert on all points of contention in the case.

Professional Experience

Designed and developed early CTIs (Computer Telephony Interfaces) that implemented early speech recognition.

Designed and Implemented Call Center systems with Voice Recognition using Speech Recognition servers using standard speech protocols and command interfaces. Systems developed include multi-platform support for natural language, command based, and menu-based speech recognition.

Designed and developed Contact Center system including implementation of Natural Language speech recognition using targeted phrase recognition, speech transcription, and industry specific speech applications.

Technology consulting in the area of mobile applications and mobile speech capture for local and remote speech recognition and authentication.

Case Experience

Patent litigation – Testifying expert on speech transcription and bi-directional translation systems for the deaf and hearing impaired, using both local and remote speech recognition using standard and mobile phone communications.

PTAB IPRs

Testifying expert for Call Center IVRs for correctional institutions providing speaker recognition, speaker identification, and automated conversation monitoring to provide visual markers and tags for identifying and reviewing targeted speech segments.

Patent litigation – Testifying expert on audio/speech sampling via mobile microphone and standard protocol transmission of speech samples Includes compressing of audio signals for thumb-print transmission for automatic content recognition (ACR systems). Android code review.

Patent Litigation
Testifying expert in Natural Language command parsing and recognition. System converted voice commands into a Command Line Interface using XML command and parameter sequences.

Patent Litigation for defendant. Provided expertise in telephony-based speech recognition, structured speech input, and call relay to operator assisted speech to text translation using ‘whisper mode’.


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Expert Witness #230901

This expert is a Computer Scientist and Technology Consultant specializing in Telecommunications, Call Center applications, and Media Distribution. This expert brings many years of experience in a diverse set of technologies including CTI (computer telephony integration), digital voice processing, speech recognition and Natural Language processing. This expert has a deep understanding of protocols and has designed protocols for many different kinds of systems and has had some of them adopted by the American National Standards Institute (ANSI). This expert has been a consulting expert in approximately 50 matters, IPRs, and Patent Litigation cases including cases for Telecommunication and Speech Recognition providing infringement, invalidity, and deposition testimony. This expert has testified at hearings and at trial for about 10 cases.

Professional Experience

Designed and developed some of the earliest available low-bit-rate digital voice communication products for long haul networks. Work included voice models, input digitization, voice feature extraction, encoding and decoding and interfaces to packet network systems. Designed protocols for various communications devices such as data encryptors.

Manager of Embedded Systems Group. Responsible for designing, among other things, protocols for factory automation systems, including communications and networking devices to handle interfacing host computers to subsystems that used different protocols.

Technology consulting in the area of Call Centers, Telephony, Wireless communication, mobile applications, biometrics and user authentication implementing Speech Recognition.

Provide level 1 & 2 evaluation of Patent portfolios to determine strongest / most valuable patents and identify vendors/products that read on stronger patents. Patents were evaluated in: Telephony, VoIP, Wireless devices, speech recognition, and digital device interfaces.

Provided in-depth research services to inventors and Intellectual Property investors. Also consulted on the design of solutions with embedded voice recognition features in the consumer products space.

This expert has been involved in the study and application of Natural Language understanding and processing, especially related to voice to text conversion, knowledge discovery, fact extraction, summarization, language weighting and importance models, etc. This expert has developed suites of software for each of these areas.

Case Experience

Patent Litigation – Consulting expert with responsibility for leading a group of 10 code reviewers reviewing more than 56 gigabytes of source code over a period of 10 months. The source code was associated with servers and services, content distribution servers, content ingestion servers, security and protocols for media sharing and distribution frameworks and architectures of business systems. Also provided expert consultation to litigation team on system architectures, applications, devices, and services. Coordinated with the team leads reviewing source code on similar architectures for other device manufacturers.

Patent Litigation - Consulting expert on infringement and invalidity of patents relating to voice network functions and processing in VoIP networks including enterprise and residential networks.


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Expert Witness #234887

This expert is a consultant and patent owner with many years of experience in developing and supporting the development and commercial exploitation of new technologies in the areas including audio and video encoding, decoding, recording, storage, transmission, and presentation, consumer electronics, digital television, broadcast, mobile, and fiber telecommunications, and computer and storage networks. This expert is specifically experienced in speech processing technologies and details of recognition and insertion of service signals in video programs.

This expert has supported numerous licensing negotiations and reexaminations/IPRs as well as over 50 patent-related District Court and ITC cases, in consultative preparation of cases, characterization of accused products (by testing, reverse engineering, source code review, etc.), preparation of declarations and reports, and, as needed, testifying.

This expert is a Member of the Audio Engineering Society and an Observer Member of the Advanced Television Systems Committee (ATSC).

Summary of Selected Professional Experience

-  Development of techniques for bandwidth reduction encoding and decoding of audio and video content (patent granted on video technique)
-  Consulted on interactive multimedia systems with automated insretion of text over bvideo
-  Consulted on adaptive variable rate coding for speech and general audio and on automatic audio content identification

Summary of Selected Related Case Experience

-  Patent litigation - issues included recognizing and tagging media content
-  Patent litigation - issues included audio and video data encoding, decoding and bit-rate reduction in digital television receivers
-  Issues included audio encoding and decoding, and recognition and insertion of service signals for digital television
-  Patent litigation - audio encoding and decoding, and content-descriptive metadata generation, extraction, analysis and insertion in digital television

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