A robust time difference of arrival estimator in reverberant environments

International Conference
2009-08-24 23:43
Authors : Jae-Mo Yang, Chang-Heon Lee, Hong-Goo Kang

Year : 2009

Publisher / Conference : EUSIPCO

This paper proposes a robust generalized cross correlation (GCC)-based time difference of arrival (TDOA) estimator in reverberant and noisy environments. Under the assumption that the phase of cross channel power spectrum should be linear in a normal single source environment, the effect of reverberation to cross power spectrum is directly reduced by a recursive estimation method. An adaptive smoothing process is also designed to make the system more robust. Simulation results with a two-channel microphone system verify that the proposed algorithm significantly improves the accuracy of TDOA by enhancing phase linearity in various reverberant environments. Also, the reliability of proposed system is confirmed by the experiments performed in additional background noise conditions. Finally, we confirm the superiority of the proposed algorithm from the results of real room experiments.
전체 344
154 International Conference Se-Woon Jeon, Dongil Hyun, Jeongil Seo, Young-Cheol Park, Dae Hee Youn "Enhancement of principal to ambient energy ratio for PCA-based parametric audio coding" in ICASSP, 2010
153 International Conference Ho Seon Shin, Min-Seok Choi, Taesu Kim, Hong-Goo Kang "Binaural loudness based speech reinforcement with a closed-form solution" in ICASSP, 2010
152 Domestic Conference 김성우, 박영철, 윤대희, 조점군 "소음 환경에서 다양한 빔 형성기법들의 성능 평가" in 2010 국방과학40주년학술대회, 2010
151 Domestic Conference 양재모,강홍구 "중계기시스템환경에서 피드백 신호 제거를 위한 DCT-LMS 적응필터 알고리즘" in 한국통신학회, 2010
150 Domestic Conference 송명석,이석필,강홍구 "룸 모델에 기반한 음향 간섭 제거기에 관한 연구" in 한국통신학회, 2010
149 Domestic Conference 정재웅, 박영철, 윤대희, 이석필 "Warped Common Acoustical Pole을 이용한 효율적인 음향 간섭제거기의 구현" in 한국통신학회, 2010
148 Domestic Conference 전세운,박영철,이석필,윤대희 "다양한 스피커 배치 환경에서의 음원 분배 모듈을 이용한 가상 음향 렌더링 시스템" in 한국통신학회, 2010
147 Domestic Conference 이동금,서정일,박영철,윤대희 "MPEG 서라운드 부호화기에서 천이 신호의 개선된 복호화 방법에 관한연구" in 한국통신학회, 2010
146 Domestic Conference 현동일, 서정일, 박영철, 윤대희 "공간오디오 부호화를 위한 채널간 위상차 합성 오류에 대한 분석" in 한국통신학회 동계종합학술발표회, 2010
145 Domestic Conference 송정욱,이창헌,오현오,강홍구 "A Study on the Architecture for MPEG Unified Speech and Audio Coding" in 대한전자공학회, 2010