Mark A. Rae
Mark Rae holds a B.S. degree (1989) in Electrical Engineering and an M.S. degree (1994) in Electrical and Computer Engineering from the University of Wisconsin. He has over ten years of experience designing embedded real time data acquisition systems for commercial applications. His experience includes TI DSPs and PIC microcontrollers, interfacing to A/D and D/A converters, microphone pre-amp design, power amplifier design, power supply design, RS-232 and I²C serial bus interfaces.

Shawn K. Steenhagen
Shawn Steenhagen holds a B.S. (1989) and M.S. (1995) degrees in Electrical and Computer Engineering from the University of Wisconsin. He has over ten years of experience developing and implementing DSP algorithms and engineering tools for use in the areas of active sound & vibration control, acoustics and voice signal processing. He creates software in C, Texas Instruments (TI) fixed and floating point assembly, Visual C++ and Matlab. His software expertise emphasizes Code Reuse, testing & verification, execution & memory optimization, and PC/DSP User Interfaces.

Extended Staff

Mark C. Allie
Mark holds a B.S. (1981) and M.S. (1983) degree in electrical engineering from the university of Wisconsin Madison. His M.S. research was in active sound attenuation. He began work in the Corporate Research Department of Nelson Industries, Inc. in Stoughton WI, as a Research Engineer. He is currently a Consultant in Active Control and Electronics.  His research interests are in the areas of electroacoustics, audio system design, analog electronics and signal processing. He has published or presented over 30 papers in these fields and has been the inventor on as many patents. Mark is a member of the Audio Engineering Society, IEEE, and The Acoustical Society of America.