Microphone array post-filter using input-output ratio of beamformer noise power spectrum

Electronics Letters

Volumn 43, Issue 18, 2007, Pages 1003-1005

  Yoon, H ^a   Ko, H ^b  

^a Samsung Electronics TN

^b Korea University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

BEAMFORMING; MICROPHONES; POWER SPECTRUM; ROBUST CONTROL; SPURIOUS SIGNAL NOISE;

BEAMFORMER OUTPUT; POST-FILTER FITTING; WIENER POST-FILTERS;

ELECTRIC FILTERS;

EID: 34548321548     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20071534     Document Type: Article

References (8)

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2. Simmer, K.U., and Wasiljeff, A.: ' Adaptive microphone arrays for noise suppression in the frequency domain ', Proc. 2nd Cost-229 Workshop on Adaptive Algorithms in Communications, Bordeaux, France, 1992, p. 185-194
3. McCowan, I.A., and Bourlard, H.: ' Microphone array post-filter based on noise field coherence ', IEEE Trans. Speech Audio Process, 2003, 11, (6), p. 709-716 10.1109/TSA.2003.818212 1063-6676
4. Leukimmiatis, S., Dimitriadis, D., and Maragos, P.: ' An optimum microphone array post-filter for speech applications ', ICSLP, 2006, p. 2142-2145
5. Cook, R.K., Waterhouse, R.V., Berendt, R.D., Ede-lman, S., and Thompson, M.C.: ' Measurement of correlation coefficients in reverberant sound fields ', J. Acoust. Soc. Am., 1955, 27, p. 1072-1077 0001-4966
6. Rabiner, L., and Juang, B.-H.: ' Pattern-comparison techniques ', Fundamentals of speech recognition, (Prentice Hall Signal Processing Series, 1993), p. 189-190
7. Gannot, S.: ' Signal enhancement using beamforming and nonstationarity with applications to speech ', IEEE Trans. Signal Process., 1992, 49, (8) 1053-587X
8. http://voice.etri.re.kr