A Study on Real Time Estimation System of Fire Sound Source Localization

Roh, Chang-Su; Park, Byung-Su; Do, Sung-Chan

Journal of the Korea Institute of Military Science and Technology 2009;12(6):768-775.

Chang-Su Roh, Byung-Su Park, Sung-Chan Do

DAEDO Technology Research Institute

소화기 발사음의 실시간 위치 추정 시스템에 관한 연구

노창수, 박병수, 도성찬

대도기술연구소

Abstract

In this paper, the sound source localization system in real time which uses the time delay of arrival signal is proposed. This system uses minimum microphones and surveillance camera for estimation of the sound source localization and sound direction. To apply this system to the military field, four models(model1~model4) are derived. Model 1 can be used to evaluate the sound source localization at the long distance. Model2 and model3 can be applied to estimate the sound direction. Model4 is useful for the special purpose and potable device. It is possible for this system to be used for the military guard and surveillance. As a result of experiments, It is shown that this system can estimate the sound source localization and the sound direction using minimum microphones.

Key Words: Sound Source Localization, Cross-Correlation, TDOA : Time Delay Of Arrival, Surveillance Camera