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2006, 11

Doh-Hyoung Kim, Youngjin Park

Development of moving sound source localization system

language: English

received 13.04.2005, published 12.05.2006

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ABSTRACT

This paper proposes a novel approach of moving sound source localization using adaptive time delay estimation (TDE) algorithm and active-positioning of microphone arrays. Using the adaptive TDE that continuously estimates the time differences between the captured signals in the microphones sensors, the active-positioning controller keeps track of the source direction by rotating arrays mechanically. Theoretical analysis and computer simulations of the convergence characteristics of the proposed TDE algorithm are presented. The active-positioning array guarantees the highest delay-position sensitivity with smaller number of microphones than the fixed arrays. The overall performance is shown by using an experimental prototype system.

12 pages, 7 figures

Сitation: Doh-Hyoung Kim, Youngjin Park. Development of moving sound source localization system. Electronic Journal “Technical Acoustics”, http://www.ejta.org, 2006, 11.

REFERENCES

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Doh-Hyoung Kim received a B.S. degree in Aerospace Engineering and Electronics Engineering from Korea Advanced Institute of Science and Technology(KAIST), Republic of Korea in 1997. He received a M.S. and Ph.D. degrees in Mechanical Engineering, in 1999 and 2005, respectively. Currently, he works for Mobile Multimedia Laboratory, LG Electronics. His research includes adaptive signal processing, active noise and vibration control and mobile multimedia.

e-mail: kim.dohhyoung(at)gmail.com, dh_kim(at)kaist.ac.kr

 
 

Youngjin Park received a B.S. and M.S degrees in Mechanical Engineering and Mechanical Design, Seoul National University, Republic of Korea in 1980 and 1982, respectively. He received a Ph.D. degree in Mechanical Engineering from the University of Michigan, Ann Arbor, in 1987. He was an assistant professor in the Department of Mechanical Engineering and Industrial Engineering at New Jersey Institute of Technology from 1988 to 1990. He joined the Department of Mechanical Engineering at KAIST in 1990 where he is currently a professor. His research interests are in Dynamic System Modeling and Identification, Model Order Reduction, Nonlinear Control, Neural Network, Robust Control, and Active Suspension and Active Noise and Vibration Control. He is the member of American Society of Mechanical Engineers.

e-mail: yjpark(at)kaist.ac.kr