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.
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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:
Internationally recognized expert in computer systems with almost 25 years of experience in the field. Has…
Professor of electrical and computer engineering with more than two decades of experience at the forefront of the design and fabrication of integrated circuits…
Professor of electrical engineering and computer science with over two decades of research and engineering experience in communications networks and related…
Independent engineering consultant in the design of both electronics and software with a formal education in electrical and mechanical engineering. …
Scientist, educator, and technologist with over thirty years of experience. Leading expert in datacom and telecom…
Professor of electrical engineering with extensive experience as a technology industry practitioner. Special expertise spans design and development of…
Professor of electrical engineering and independent consultant with twenty-five years of hands-on engineering experience in industry. An…
Industry consultant and professor of electrical and computer engineering and researcher specializing in computer systems…
Professor of electrical and computer engineering and division director of a center for national security technology…
Consultant and professor of electrical and computer engineering who is a named inventor on about twenty issued U.S. patents on digital signal processing (DSP)…