Professor of electrical engineering who has spent over two decades researching and inventing algorithms at the intersection of acoustics, digital signal processing, and machine learning. Research interests include archaeoacoustics, adaptive audio signal processing, virtual microphones for synthesizing multichannel recordings, microphone arrays for robust time-delay estimation in noisy environments, multichannel rendering.
Formal Education
- Ph.D. in Electrical Engineering, University of Southern California
- M.S. in Electrical Engineering, University of Southern California
- B.S. in Engineering and Applied Science, Caltech
Career Highlights
- Co-founder of a company that provides industry-leading audio technologies to optimize the acoustics quality of commercial products from home theaters and televisions to mobile phones and automotive sound systems
- Named inventor on over a dozen issued U.S. patents
- Co-author of a book about audio signal processing
Expert Qualifications
- Has testified in hearings and trials in U.S. District Courts and before the ITC and PTAB as an expert in audio signal processing, noise/echo cancelation, and other technologies at the intersection of speech and hearing
- Expert witness in cases involving technologies used by automakers including Daimler, Hyundai-Kia, and Subaru
- Was deposed and testified on behalf of defendants Apple and Samsung in an investigation before the U.S. International Trade Commission
- Submitted a forensic report on a gunshot analysis on behalf of the public defender's office in a Santa Ana, California litigation
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Frequently Asked Questions
What types of cases can this expert support?
This expert has testified in consumer electronics patent litigation involving audio and acoustics—cases with major automakers, smartphone makers, and before the ITC. Their courtroom experience spans District Courts, the ITC, and the PTAB. They also have experience with forensic audio analysis.
What is this expert's technical background?
They hold a Ph.D. and M.S. from USC and a B.S. from Caltech, all in electrical engineering. Over two decades they've focused on signal processing and acoustics, patenting over a dozen innovations and co-founding an audio technology company. They also co-authored a book on audio signal processing.
What technologies does this expert specialize in?
Audio streaming, data compression, and embedded software are core areas. They've worked extensively on noise and echo cancelation, microphone array design, and multichannel audio rendering. Machine learning and speech/hearing technologies also figure into their work.
- Audio streaming
- Data compression
- Embedded software
- Speach and hearing
- Machine learning
- U.S. District Courts
- Patent Trial and Appeal Board
- International Trade Commission
- State and Local Courts