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논문 기본 정보

자료유형
학술저널
저자정보
Jungdong Jin (Sungkyunkwan University) Seunghun Jin (Sungkyunkwan University) SangJun Lee (Sungkyunkwan University) Hyung Soon Kim (Pusan University) Jong Suk Choi (KIST) Munsang Kim (KIST) Jae Wook Jeon (Sungkyunkwan University)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.14 No.2
발행연도
2014.4
수록면
175 - 183 (9page)

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초록· 키워드

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In this paper, we present the design and implementation of real-time sound localization based on 0.13 m CMOS process. Time delay of arrival (TDOA) estimation was used to obtain the direction of the sound signal. The sound localization chip consists of four modules: data buffering, short-term energy calculation, cross correlation, and azimuth calculation. Our chip achieved real-time processing speed with full range (360°) using three microphones. Additionally, we developed a dedicated sound localization circuit (DSLC) system for measuring the accuracy of the sound localization chip. The DSLC system revealed that our chip gave reasonably accurate results in an experiment that was carried out in a noisy and reverberant environment. In addition, the performance of our chip was compared with those of other chip designs.

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Abstract
I. INTRODUCTION
II. SOUND LOCALIZATION ALGORITHM
III. PROPOSED HARDWARE ARCHITECTURE
IV. IMPLEMENTATION
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
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UCI(KEPA) : I410-ECN-0101-2015-560-001440719