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:
Research engineer with three decades of technical leadership in wireless data compression, low-bandwidth network optimization, and embedded telecommunications…
Wireless communications expert with more than 30 years of experience in protocol design, software-defined networking, and international telecommunications…
A seasoned executive and engineer with 35+ years in consumer electronics product development, this expert specializes in wireless audio systems, Bluetooth…
Expert in VLSI chip design methodology, synthesis flows, and static timing analysis for complex ASICs and SoCs with over 40 years of experience in semiconductor…
Senior engineer and signal processing specialist with over three decades of experience designing and implementing advanced DSP systems spanning defense,…
Senior software engineer with over 30 years of experience in telecommunications security, software reverse engineering, and cybersecurity analysis. This expert…
Veteran firmware engineer with 35+ years of experience in storage systems architecture and embedded controller design. This expert specializes in hard disk drive…
Professor of computer science with over three decades of expertise in speech recognition, natural language processing, and artificial intelligence. This expert…
This expert is a speech recognition architect and natural language processing specialist with nearly 20 years of experience developing dialogue systems and…
Senior embedded systems security engineer with over 15 years of experience designing and implementing secure systems across defense, automotive, and commercial…