An alternative front-end for the AT&T WATSON LV-CSR system

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

Volumn , Issue , 2011, Pages 4488-4491

  Dimitriadis, Dimitrios ^a   Bocchieri, Enrico ^a   Caseiro, Diamantino ^a  

^a AT AND T LABS RESEARCH   (United States)

Author keywords

cepstrum analysis; error analysis; parameter estimation; robustness; speech processing; speech recognition

Indexed keywords

ACOUSTIC MODEL; CEPSTRUM; CEPSTRUM ANALYSIS; ENERGY ESTIMATES; FEATURE EXTRACTION ALGORITHMS; LANGUAGE MODEL; MEAN-SQUARE; SNR VALUES; SUB-BANDS; WORD ERROR RATE REDUCTIONS;

ACOUSTIC NOISE; COMPUTATIONAL LINGUISTICS; ERROR ANALYSIS; ESTIMATION; FEATURE EXTRACTION; MOBILE DEVICES; PARAMETER ESTIMATION; SIGNAL PROCESSING; SPEECH COMMUNICATION; SPEECH PROCESSING;

SPEECH RECOGNITION;

EID: 80051650297     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2011.5947351     Document Type: Conference Paper

References (10)

1. C. P. Chen and J. A. Bilmes, "MVA Processing of Speech Features," IEEE Trans. Audio, Speech and Language Processing, vol. 15, no. 1, pp. 257-270, Jan. 2007.
2. N. Kumar and A. G. Andreou, "Heteroscedastical Discriminant Analysis and Reduced Rank HMM's for Improved Speech Recognition," Speech Communication, vol. 26, no. 4, pp. 283-297, Dec. 1998.
3. R. Gopinath, "Maximum Likelihood Linear Transformation," in Proc. of ICASSP-98, Apr. 1998.
4. S. Deligne, S. Dharanipragada, R. Gopinath, B. Maison, P. Olsen and H. Printz, "A Robust High-Accuracy Speech Recognition System for Mobile Applications," IEEE Trans. Speech and Audio Processing, vol. 10, no. 8, pp. 551-561, Nov. 2002.
5. D. Dimitriadis, P. Maragos and A. Potamianos, "On the Effects of Filterbank Design and Energy Computation on Robust Speech Recognition," accepted in IEEE Trans. on Audio, Speech and Language Processing, 2010.
6. E. Bocchieri, D. Caseiro, and D. Dimitriadis, "Speech Recognition Modeling Advances for Mobile Voice-Search," submitted to Proc. of ICASSP-11, 2011.
7. D. Dimitriadis, A. Potamianos and P.Maragos, "A Comparison of the Squared Energy and Teager-Kaiser Operators for Short-Term Energy Estimation in Additive Noise," IEEE Trans. Signal Processing, vol. 57, no. 7, pp. 2569-2581, July 2009.
8. A. C. Bovik, P. Maragos and T. F. Quatieri, "AM-FM Energy Detection and Separation in Noise Using Multiband Energy Operators," IEEE Trans. Signal Processing, vol. 41, no. 12, pp. 3245-3265, Dec. 1993.
9. M. D. Skowronski and J. G. Harris, "Exploiting Independent Filter Bandwidth of Human Factor Cepstral coefficients in Automatic Speech Recognition," Journ. Acoust. Society of America, vol. 116, no. 3, pp. 1774-1780, Sep. 2004.
10. F.-H. Liu, R. M. Stern, A. Acero, and P. J. Moreno, "Environment Normalization for Robust Speech Recognition using Direct Cepstral Comparison," in Proc. of ICASSP-94, Apr. 1994.