Browse > Article

Residual Echo Suppression Based on Tracking Echo-Presence Uncertainty  

Park, Yun-Sik (인하대학교 전자공학과 DSP연구실)
Chang, Joon-Hyuk (인하대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.10C, 2009 , pp. 955-960 More about this Journal
Abstract
In this paper, we propose a novel approach to residual echo suppression (RES) algorithm based on tracking echo-presence uncertainty (TEPU) to improve the performance of acoustic echo suppression (AES) in the frequency domain. In the proposed method, the ratio of the microphone input and the echo-suppressed output signal power is employed as the threshold value for the decision rule to estimate the echo-presence uncertainty applied to the RES filter. The proposed RES scheme estimates the echo presence uncertainty in each frequency bin and effectively reduces residual echo signal in a simple fashion. The performance of the proposed algorithm is evaluated by the objective test and yields better results compared with the conventional schemes.
Keywords
Acoustic Echo Suppression; Residual Echo Suppression;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Y.-S. Park and J.-H. Chang, 'Frequency domain acoustic echo suppression based on soft decision,' IEEE Signal Processing Letters, vol. 16, pp. 53-56, Jan. 2009   DOI   ScienceOn
2 S. Y. Lee and N. S. Kim, 'A statistical model based residual echo suppression,' IEEE Signal Processing Letters, vol. 14, no. 10, pp. 758-761, Oct. 2007   DOI   ScienceOn
3 S. J. Park, C. Lee, and D.H. Youn, 'A residual echo cancellation scheme for hands-free telephony,' IEEE Signal Process. Letters, vol. 9, no. 12, pp. 397-399, Dec. 2002   DOI   ScienceOn
4 D. Malah, R. Cox, and A. Accardi, 'Tracking speech-presence uncertainty to improve speech enhancement in non-stationary noise environments,' in Proc. IEEE ICASSP 1999, pp. 789-792
5 S. J. Park, C. G. Cho, C. Lee, and D. H. Youn, 'Integrated echo and noise canceler for hands-free applications,' IEEE Trans. on Circuits and Systems II, vol. 49, issue 3, pp. 186-195, Mar. 2002   DOI   ScienceOn
6 S. McGovern, A model for room acoustics, 2003 [Online]. Available: http://2pi.us/rir.html
7 R. J. McAualy and M. L. Malpass, 'Speech enhancement using a soft-decision noise suppression filter,' IEEE Trans. Acoust., Speech, Signal Processing, vol. ASSP-28, pp. 137-145, Apr. 1980
8 박윤식, 장준혁, '음향학적 반향 억제를 위한 Soft Decision 기반의 동시통화 검출,' 한국음향학회지, 제28권, 제3호, pp. 285-289, 2009. 6월
9 Y. Ephraim and D. Malah, 'Speech enhancement using a minimum mean-square error short-time spectral amplitude estimator,' IEEE Trans. Acoust., Speech, Signal Process., vol. ASSP-32, no. 6, pp. 1109-1121, Dec. 1984
10 O. Cappe, 'Elimination of the musical noise phenomenon with the Ephraim and Malah noise suppressor,' IEEE Trans. Speech Audio Process., vol. 2 no.2, pp. 345-349, Apr.1994   DOI   ScienceOn
11 N. S. Kim and J.-H. Chang, 'Spectral enhancement based on global soft decision,' IEEE Signal Processing Letters, vol. 7, no. 5, pp. 108-110, May 2000   DOI   ScienceOn
12 C. Faller and C. Tournery, 'Estimating the delay and coloration effect of the acoustic echo path for low complexity echo suppression,' in Proc. Intl. Works. on Acoust. Echo and Noise Control (IWAENC), 2005
13 V. Turbin, A. Gilloire, and P. Scalart, 'Comparison of three post-filtering algorithms for residual acoustic echo reduction,' in Proc. ICASSP, pp. 307-310, 1997
14 J.-H. Chang, H. G. Kim, and S. Kim, 'Residual echo reduction based on MMSE estimator in acoustic echo canceller,' IEICE Electronic Express, vol. 4, no. 24, pp. 762-767, Dec. 2007   DOI