Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Advanced Sound Source Localization Study Using De-noising Filter based on the Discrete Wavelet Transform(DWT)

이산 웨이블릿 변환 기반 디-노이징 필터를 이용한 향상된 음원 위치 추정 연구

  • Hwang, Bo-Yeon (Department of Electronic and Electric and Computer Engineering, Pusan National University) ;
  • Jung, Jae-Hoon (Department of Electronic and Electric and Computer Engineering, Pusan National University) ;
  • Lee, Jang-Myung (Department of Electronic and Electric and Computer Engineering, Pusan National University)
  • 황보연 (부산대학교 전자전기컴퓨터공학과) ;
  • 정재훈 (부산대학교 전자전기컴퓨터공학과) ;
  • 이장명 (부산대학교 전자전기컴퓨터공학과)
  • Received : 2015.01.19
  • Accepted : 2015.10.26
  • Published : 2015.12.01
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Abstract

In this paper, a study of advanced sound source localization is conducted by eliminating the noise of the sound source using the discrete wavelet transform. And experiments are conducted to evaluate the performance of the proposed system that the mobile robot follows sound source stably. In addition, we compare the position estimation performance by applying a discrete wavelet transform to improve the reliability of the sound signal. The experimental results reveal that the de-nosing filter which removes the noise component in sound source can make the performance of position estimation more precisely and help the mobile robot distinguish the objective sound source clearly.

Keywords

Acknowledgement

Supported by : 한국연구재단

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