Cross-site and intra-site ASR system combination: Comparisons on lattice and 1-best methods

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

Volumn 4, Issue , 2007, Pages

  Hoffmeister, B ^a   Hillard, D ^b   Hahn, S ^a   Schlüter, Ralf ^a   Ostendorf, M ^b   Ney, H ^a  

^a RWTH AACHEN UNIVERSITY   (Germany)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

Speech recognition; System combination

Indexed keywords

CONFIDENCE SCORES; PAIRWISE COMBINATIONS; ROVER; SYSTEM COMBINATION;

ADAPTIVE SYSTEMS; SPEECH ANALYSIS; SPEECH SYNTHESIS;

SPEECH RECOGNITION;

EID: 34547530668     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2007.367277     Document Type: Conference Paper

References (14)

1. V. Goel and W.J. Byrne, "Minimum Bayes-risk automatic speech recognition," Computer Speech and Language, vol. 14, pp. 115-136, 2000.
2. L. Mangu, E. Brill, and A. Stolcke, "Finding consensus in speech recognition: word error minimization and other applications of confusion networks," Computer Speech and Language, vol. 14, pp. 373-400, 2000.
3. F. Wessel, R. Schlüter, and H. Ney, "Explicit word error minimization using word hypothesis posterior probabilities," in Proc. ICASSP, 2001, vol. 1.
4. J.G. Fiseus, "A post-processing system to yield reduced word error rates: Recognizer output voting error reduction (ROVER)," in Proc ASRU, 1997.
5. B. Hoffmeister, T. Klein, R. Schlüter, and H. Ney, "Frame based system combination and a comparison with weighted ROVER and CNC," in Proc. ICSLP, 2006.
6. F. Wessel, R. Schlüter, K. Macherey, and H. Ney, "Confidence measures for large vocabulary continuous speech recognition," IEEE Transactions on Speech and Audio Processing, vol. 9, pp. 288-298, 2001.
7. G. Evermann and P. Woodland, "Posterior probability decoding, confidence estimation and system combination," in NIST Speech Transcription Workshop, 2000.
8. A. Stolcke et al., "The SRI March 2000 Hub-5 conversational speech transcription system," in NIST Speech Transcription Workshop, 2000.
9. J. Lööf et al., "The 2006 RWTH parliamentary speeches transcription system," in Proc. ICSLP, 2006.
10. L. Lamel et al., "The LIMSI 2006 TC-STAR transcription systems," in Proc TC-STAR Workshop, 2006.
11. B. Ramabhadran et al., "The IBM 2006 speech transcription system for european parliamentary speeches," in Proc. ICSLP, 2006.
12. S. Stüker et al., "The ISL TC-STAR spring 2006 ASR evaluation systems," in Proc. TC-STAR Workshop, 2006.
13. F. Brugnara et al., "The ITC-IRST transcription systems for the TC-STAR-06 evaluation campaign," in Proc. TC-STAR Workshop, 2006.
14. A. Stolcke, "SRILM - an extensible language modeling toolkit," in Proc. ICSLP, 2002.