A comparative study on system combination schemes for LVCSR

  title={A comparative study on system combination schemes for LVCSR},
  author={Chengyuan Ma and Hong-Kwang Jeff Kuo and Hagen Soltau and Xiaodong Cui and Upendra V. Chaudhari and Lidia Mangu and Chin-Hui Lee},
  journal={2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
We present a comparative study on combination schemes for large vocabulary continuous speech recognition by incorporating long-span class posterior probability features into conventional short-time cepstral features. System combination can improve the overall speech recognition performance when multiple systems exhibit different error patterns and multiple knowledge sources encode complementary information. A variety of combination approaches are investigated in this paper, e.g., feature… CONTINUE READING


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