Mixture weight optimization for dual-microphone MFCC combination

Proceedings of ASRU 2005: 2005 IEEE Automatic Speech Recognition and Understanding Workshop

Volumn 2005, Issue , 2005, Pages 325-330

  Obuchi, Yasunari ^a  

^a HITACHI LTD   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; COMPUTATIONAL METHODS; DECODING; OPTIMIZATION; SPEECH PROCESSING; SPEECH RECOGNITION;

CHANNEL DECODING; CHANNEL SELECTION ALGORITHMS;

MICROPHONES;

EID: 33846236931     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ASRU.2005.1566511     Document Type: Conference Paper

References (9)

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2. Y. Obuchi, "Multiple-microphone robust speech recognition using Decoder-Based Channel Selection," Proc. ISCA Tutorial and Research Workshop on Statistical and Perceptual Audio Processing, Jeju, Korea, 2004.
3. Kellermann, W., "A self steering digital microphone array," Proc. International Conference of Acoustics, Speech and Signal Processing, Toronto, Canada, 1991.
4. Griffiths, L. J. and Jim, C. W., "An alternative approach to linearly constrained adaptive beamforming," IEEE Transactions on Antennas and Propagation, Vol.30, No.1, pp.27-34, 1982.
5. X. Li and R.M. Stern, "Training of stream weights for the decoding of speech using parallel feature streams," Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, Hong Kong, 2003.
6. J.G. Fiscus, "A post-processing system to yield reduced word error rates: Recognizer Output Voting Error Reduction (ROVER)," Proc. IEEE Workshop on Automatic Speech Recognition and Understanding, Santa Barbara, CA, USA, 1997.
7. Y. Shimizu, S. Kajita, K. Takeda, and F. Itakura, "Speech recognition based on space diversity using distributed multi-microphone," Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, Istanbul, Turkey, 2000.
8. http://www.speech.cs.cmu.edu/speech/sphinx/
9. Y. Obuchi and R. M. Stern, "Normalization of time-derivative parameters using histogram equalization," Proc. EUROSPEECH, Geneva, Switzerland, 2003.