Adaptation of precision matrix models on large vocabulary continuous speech recognition

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn I, Issue , 2005, Pages

  Sim, K C ^a   Gales, M J F ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BROADCASTING; DATA PROCESSING; ERROR CORRECTION; ITERATIVE METHODS; MATHEMATICAL MODELS; TELEPHONE SYSTEMS;

ADAPTATION TECHNIQUES; COVARIANCE MATRIX MODELS; PRECISION MATRIX MODELS; TRANSFORM ESTIMATIONS;

SPEECH RECOGNITION;

EID: 33646806075     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2005.1415059     Document Type: Conference Paper

References (11)

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2. P. Olsen and R. A. Gopinath, "Modelling inverse covariance matrices by basis expansion," in Proc. ICASSP, 2002.
3. S. Axelrod, R. Gopinath, and P. Olsen, "Modeling with a subspace constraint on inverse covariance matrices," in Proc. ICSLP, 2002.
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5. S. Axelrod, V. Goel, B. Kingsbury, K. Visweswariah, and R. A. Gopinath, "Large vocabulary conversational speech recognition with a subspace constraint on inverse covariance matrices," in Proc. Eurospeech, 2003.
6. K C Sim and M J F Gales, "Precision matrix modelling for large vocabulary continuous speech recognition," Tech. Rep. CUED/F-INFENG/TR485, Cambridge University, 2004.
7. C. J. Legetter and P. C. Woodland, "Maximum likelihood linear regression speaker adaptation of contiuous density HMMs," Computer Speech and Languages, 1997.
8. M. J. F. Gales, "Maximum likelihood linear transformations for HMM-based speech recognition," Tech. Rep. CUED/F-INFENG/TR291, Cambridge University, 1997.
9. M. J. F. Gales and P. C. Woodland, "Mean and variance adaptation within the MLLR framework," Computer Speech and Languages, vol. 10, pp. 249-264, 1996.
10. M. J. F. Gales, "Maximum likelihood multiple projection schemes for hidden Markov models," Tech. Rep. CUED/FINFENG/TR365, Cambridge University, 1999.
11. X. Liu, M. J. F. Gales, K. C. Sim, and K. Yu, "Investigation of acoustic modelling techniques of LVCSR systems," submited to ICASSP, 2005.