Audio/Video/Image Processing and DSP
Barr Group's signal processing experts are in the business of designing electronics and software that manipulate audio, video, image, and other data using analog and digital filters, for uses such as:
- Lossy and lossless data compression techniques
- Audio encoding and formats such as MP3/M4A, 3GP, WMA
- Streaming video coding/codecs including MPEG and H.264
- Error detection and correction and associated ECCs, CRCs, etc.
- Facial recognition algorithms including machine learning
- Image processing and AI for feature extraction
- Machine vision in self-driving vehicles and factory automation
- Streaming audio and video services and apps (Spotify, Netflix)
- Automatic music detection technologies a la Pandora
- Speech recognition and natural language processing (NLP)
- Voice recognition and other biometric security apparatus
- Digital music instruments and recording/mastering equipment
- Video recording, storage, and playback
- Fitbit-like step trackers as well as heart-rate monitoring equipment
- Array processing of data from distributed sensors
Barr Group's software engineers are familiar with all of the major technologies used to perform signal processing, including DSP and GPU processors and their specialized real-time operating systems as well as the full range of programming languages from assembly and C/C++ to Matlab and Labview. We also understand analog and digital electronics.
Request your signal processing expert now >
Expert Witness Services
Barr Group's multimedia and signal processing experts support plaintiffs and defendants in litigation in U.S. District Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:
- Technical assistance with drafting of discovery requests
- Software source code review and analysis
- Source code comparisons for copyright and trade secret theft
- Prior art review for patent invalidity
- Analysis of electronics and related design documents
- Reverse engineering, including disassembly of binary code
- Forensic analysis, including multimedia metadata extraction
- Expert reports, declarations, and witness statements
- Testimony at deposition, oral hearings, and trials
Barr Group has a demonstrated ability to quickly activate one or more experts to match the size, scope, and complexity of any project.
The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:
Signal Processing Expert Witness List
The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:
Computer engineer and cellular and wireless communications expert with experience in military radio as well as with mesh networks and cellular…
Software and systems engineer with several decades of hands-on experience in the design and implementation of complex embedded systems based on Linux, Windows,…
Professor of electrical engineering with more than four decades of experience in the field of digital image and video…
Former professor of software engineering with more than 25 years of hands-on technology development experience for a range of industries. Has specialized…
Mechanical engineer with hands-on experience in all phases of product engineering, including system architecture, system engineering, system modeling, system…
Adjunct professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia…
Distinguished professor of electrical and computer engineering with more than sixty years of experience in engineering R&D, product…
Electrical engineer and seasoned software developer with experience as a university professor and researcher. Has…
Professor of electrical engineering with over twenty-five years of experience as a teacher, researcher and consultant in…
Independent computer engineering consultant with four decades of experience in the casino gaming industry, including development of gaming and related…