On-line adaptation and Bayesian detection of environmental changes based on a macroscopic time evolution system

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

Volumn , Issue , 2009, Pages 4373-4376

  Watanabe, Shinji ^a   Nakamura, Atsushi ^a  

^a Nippon Telegraph and Telephone Corporation   (Japan)

Author keywords

Acoustic model; Macroscopic time evolution system; Model selection; On line adaptation; Speech recognition

Indexed keywords

ACOUSTIC CHARACTERISTIC; ACOUSTIC MODEL; ADAPTATION FRAMEWORK; ADAPTATION TECHNIQUES; BAYESIAN DETECTION; BAYESIAN MODEL SELECTION; BROADCAST NEWS; ENVIRONMENTAL CHANGE; LARGE VOCABULARY CONTINUOUS SPEECH RECOGNITION; MACROSCOPIC TIME EVOLUTION SYSTEM; MODEL SELECTION; NOISE SOURCE; ON-LINE ADAPTATION; POSTERIOR DISTRIBUTIONS; REAL TIME; SPEAKING STYLES; TIME EVOLUTIONS; TIME VARIANT; VOCABULARY SIZE; WORD ACCURACIES;

BAYESIAN NETWORKS; CONTINUOUS SPEECH RECOGNITION; SIGNAL DETECTION; SIGNAL PROCESSING;

ACOUSTICS;

EID: 70349213985     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2009.4960598     Document Type: Conference Paper

References (11)

1. S.Watanabe and A. Nakamura, "Incremental adaptation based on a macroscopic time evolution system," in Proc. ICASSP 2007, 2007, vol. 4, pp. 769-772.
2. C. J. Leggetter and P. C. Woodland, "Maximum likelihood linear regression for speaker adaptation of continuous density hiddenMarkov models," Computer Speech and Language, vol. 9, pp. 171-185, 1995.
3. J.-L. Gauvain and C.-H. Lee, "Maximum a posteriori estimation for multivariate Gaussian mixture observations of Markov chains," IEEE Trans. on SAP, vol. 2, pp. 291-298, 1994.
4. S. Watanabe and A. Nakamura, "A unified interpretation of adaptation techniques based on a macroscopic time evolution system with indirect/direct approaches," in ICASSP 2008, 2008, pp. 4285-4288.
5. K. Shinoda and T. Watanabe, "Speaker adaptation with autonomous control using tree structure," in Proc. EUROSPEECH1995, 1995, pp. 1143-1146.
6. M. Rahim and B-H. Juang, "Signal bias removal by maximum likelihood estimation for robust telephone speech recognition," IEEE Trans. on SAP, vol. 4, pp. 19-30, 1996.
7. D. Liu, D. Kiecza, A. Srivastava, and F. Kubala, "Online speaker adaptation and tracking for real-time speech recognition," in Proc. Interspeech '2005, 2005, pp. 281-284.
8. U. Remes, J. Pylkkonen, and M. Kurimo, "Segregation of speakers for speaker adaptation in TV news audio," in Proc. ICASSP 2007, 2007, vol. 4, pp. 481-484.
9. M. Fujimoto, K. Ishizuka, and T. Nakatani, "A voice activity detection based on the adaptive integration of multiple speech features and a signal decision scheme," in ICASSP 2008, 2008, pp. 4441-4444.
10. S. Watanabe, Y. Minami, A. Nakamura, and N. Ueda, "Constructing shared-state hidden Markov models based on a Bayesian approach," in Proc. ICSLP2002, 2002, vol. 4, pp. 2669-2672.
11. S. Chen and R. Gopinath, "Model selection in acoustic modeling," in Proc. Eurospeech1999, 1999, vol. 3, pp. 1087-1090.