Maximum likelihood based noise covariance matrix estimation for multi-microphone speech enhancement

European Signal Processing Conference

Volumn , Issue , 2012, Pages 295-299

  Kjems, Ulrik ^a   Jensen, Jesper ^a  

^a OTICON A S   (Denmark)

Author keywords

Multi MicrophoneSpeech Enhancement; Noise Covariance Estimation; Noise Power Spectral Density Estimation; Single Channel Post Filter

Indexed keywords

BEAM FORMERS; BINAURAL HEARING; CO-VARIANCE; MICROPHONE ARRAYS; NOISE COVARIANCE; NOISE COVARIANCE MATRIX; NOISE POWER SPECTRAL DENSITY; NOISE REDUCTION FILTERS; NOISY SIGNALS; NONSTATIONARY NOISE; OPTIMAL OPERATION; POSTFILTERS; POWER SPECTRAL DENSITIES (PSD); SC FILTERS; SINGLE-CHANNEL; SPATIAL FILTERINGS; SPEECH ENHANCEMENT SYSTEM; TARGET SPEECH;

BEAMFORMING; COVARIANCE MATRIX; HEARING AIDS; MICROPHONES; POWER SPECTRAL DENSITY; SPEECH COMMUNICATION; SPEECH ENHANCEMENT;

ESTIMATION;

EID: 84869749173     PISSN: 22195491     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (11)

1. S. Doclo and M. Moonen, "GSVD-based Optimal Filtering for Single and Multimicrophone Speech Enhancement," IEEE Trans. Signal Process., vol. 50, no. 9, pp. 2230-2244, September 2002.
2. A. Spriet, M. Moonen, and J. Wouters, "Spatially Pre-Processed Speech Distortion Weighted Multi-Channel Wiener Filtering for Noise Reduction," Signal Processing, vol. 84, pp. 2367-2387, December 2004.
3. K. U. Simmer, J. Bitzer, and C. Marro, "Post-Filtering Techniques," in Microphone Arrays-Signal Processing Techniques and Applications, M. Brandstein and D. Ward, Eds. 2001, Springer Verlag.
4. R. Martin, "Noise Power Spectral Density Estimation Based on Optimal Smoothing and Minimum Statistics," IEEE Trans. Speech, Audio Process., vol. 9, no. 5, pp. 504-512, July 2001.
5. R. C. Hendriks, R. Heusdens, and J. Jensen, "MMSE based noise psd tracking with low complexity," in Proc. IEEE Int. Conf. Acoustics, Speech and Signal Process., 2010, pp. 4266-4269.
6. R. Zelinski, "A Microphone ArrayWith Adaptive Post-Filtering for Noise Reduction in Reverberant Rooms," in Proc. IEEE Int. Conf. Acoustics, Speech and Signal Process., 1988, vol. 5, pp. 2578-2581.
7. I. A. McCowan and H. Bourlard, "Microphone Array Post-Filter Based on Noise Field Coherence," IEEE Trans. Speech Audio Processing, vol. 11, no. 6, pp. 709-716, 2003.
8. S. Lefkimmiatis and P. Maragos, "Optimum post-filter estimation for noise reduction in multichannel speech processing," in Proc. 14th European Signal Processing Conference, 2006.
9. T. Wolff and M. Buck, "Spatial maximum a posteriori post-filtering for arbitrary beamforming," in Handsfree Speech Communication and Microphone Arrays (HSCMA), 2008.
10. L. J. Griffiths and C. W. Jim, "An Alternative Approach to Linearly Constrained Adaptive Beamforming," IEEE Trans. Antennas Propagat., vol. 30, no. 1, pp. 27-34, January 1982.
11. S. Haykin, Adaptive Filter Theory, Prentice Hall, Third edition, 1996.