An optimum microphone array post-filter for speech applications

INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP

Volumn 5, Issue , 2006, Pages 2142-2145

  Leukimmiatis, Stamatis ^a   Dimitriadis, Dimitrios ^a   Maragos, Petros ^a  

^a NATIONAL TECHNICAL UNIVERSITY OF ATHENS   (Greece)

Author keywords

Complex coherence; Microphone array; Post filter; Speech enhancement; Speech recognition

Indexed keywords

BANDPASS FILTERS; MICROPHONES; SIGNAL TO NOISE RATIO; SPEECH; SPEECH ENHANCEMENT;

CROSS-SPECTRAL DENSITIES; MICROPHONE ARRAYS; MULTI-CHANNEL RECORDING; MULTICHANNEL NOISE; NOISE POWER SPECTRUM; POSTFILTERS; SPEECH APPLICATIONS; SPEECH ENHANCEMENT ALGORITHM;

SPEECH RECOGNITION;

EID: 34548326297     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (11)

1. B. D. Van Veen and K. M. Buckley, "Beamforming: A Versatile Approach to Spatial Filtering," IEEE ASSP Magazine, vol. 5, pp. 4-24, 1988.
2. K. U. Simmer, J. Bitzer, and C. Marro, "Post-Filtering Techniques," in Microphone Arrays, M. Brandstein and D. Ward, Eds., chapter 3, pp. 39-60. Springer Verlag, 2001.
3. J. Bitzer and K. U. Simmer, "Superdirective Microphone Arrays," in Microphone Arrays, M. Brandstein and D. Ward, Eds., chapter 2, pp. 19-38. Springer Verlag, 2001.
4. R. Zelinski, "A Microphone Array With Adaptive Post-Filtering for Noise Reduction in Reverberant Rooms," in ICASSP, 1988, vol. 5, pp. 2578-2581.
5. J. Meyer and K. U. Simmer, "Multi-Channel Speech Enhancement in a Car Environment Using Wiener Filtering and Spectral Subtraction," in ICASSP, 1997, vol. 2, pp. 1167-1170.
6. I. A. McCowan and H. Bourlard, "Microphone Array Post-Filter Based on Noise Field Coherence," IEEE Trans. Speech and Audio Processing, vol. 11, no. 6, pp. 709-716, 2003.
7. C. Marro, Y. Mahieux, and K. U. Simmer, "Analysis of Noise Reduction Techniques Based on Microphone Arrays with Postfiltering," IEEE Trans. Speech and Audio Processing, vol. 6, no. 3, pp. 240-259, 1988.
8. S. Fischer and K. D. Kammeyer, "Broadband Beamforming With Adaptive Postfiltering for Speech Acquisition in Noisy Environments," in ICASSP, 1997, vol. 1, pp. 359-362.
9. H. Cox, R. M. Zeskind, and T. Kooij, "Practical Supergain," IEEE Trans. Speech and Audio Processing, vol. 34, no. 3, pp. 393-398, 1986.
10. J. B. Allen, D. A. Berkley, and J. Blauert, "Multimicrophone Signal-Processing Technique to Remove Room Reverberation from Speech Signals," Journ. Acoustical Society of America, vol. 62, no. 4, pp. 912-915, 1977.
11. S. Fischer and K. U. Simmer, "Beamforming Microphone Arrays For Speech Acquisition in Noisy Environments," Speech Communication, vol. 20, pp. 215-227, 1996.