Improved MFCC feature extraction by PCA-optimized filter-bank for speech recognition

2001 IEEE Workshop on Automatic Speech Recognition and Understanding, ASRU 2001 - Conference Proceedings

Volumn , Issue , 2001, Pages 49-52

  Lee, Shang Ming ^a   Fang, Shi Hau ^a   Hung, Jeih Weih ^a   Lee, Lin Shan ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

BANDPASS FILTERS; EXTRACTION; FEATURE EXTRACTION; FILTER BANKS; PRINCIPAL COMPONENT ANALYSIS;

FILTER-BANK COEFFICIENTS; IMPROVED MFCC; MEL-FREQUENCY CEPSTRAL COEFFICIENTS; NEW APPROACHES; NOISE HANDLING; NOISY ENVIRONMENT; OPTIMIZED FILTERS; TRAINING DATA;

SPEECH RECOGNITION;

EID: 84962890448     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ASRU.2001.1034586     Document Type: Conference Paper

References (11)

1. K. Demuynck, J. Duchateau, and D. V. Compernolle, "Optimal feature sub-space selection based on discriminant analysis," Eurospeech, 1999.
2. R. A. Gopinath, "Maximum likelihood modeling with gaussian distributions for classification," ICASSP, 1998.
3. G. Saon and M. Padmanabhan, "Minimum Bayes error feature selection," ICSLP, 2000.
4. C. H. Yim, "Auditory Spectrum Based features (ASBF) for Robust Speech Recognition," ICSLP, 2000.
5. X. Aubert, R. Haeb-Umbach, and H. Ney, "Continuous mixture densities and linear discriminant analysis for improved context-dependent acoustic models," ICASSP, 1993.
6. N. Kumar and A. G. Andreou, "Heteroscedastic discriminan analysis and reduced rank HMMs for improved speech recognition," Speech Communication, pp. 283-297, 1998.
7. L. Rabiner and B.-H. Juang, Fundamentals of Speech Recognition. Prentice Hall Press, 1993.
8. O.Ghitza, Auditory Nerve Representations as a Basis for Speech Recognition. Marcel Dekker, 1991.
9. A. Biern, S. Katagiri, E. McDermott and B-H. Juang, "An Application of Discriminative Feature Extraction to Filter-Bank-Based Speech Recognition", IEEE Transactions on Speech and Audio Processing, Vol 9, No. 2, Feb. 2001
10. I. T. Jolliffe, Principal Component Analysis. Springer-Verlag, 1986.
11. http://rocling.iis.sinica.edu.tw/ROCLING/