Sub-structure-based estimation of pronunciation proficiency and classification of learners

  title={Sub-structure-based estimation of pronunciation proficiency and classification of learners},
  author={Masayuki Suzuki and Nobuaki Minematsu and Dean Luo and Keikichi Hirose},
  journal={2009 IEEE Workshop on Automatic Speech Recognition & Understanding},
Automatic estimation of pronunciation proficiency has its specific difficulty. Adequacy in controlling the vocal organs can be estimated from spectral envelopes of input utterances but the envelope patterns are also affected easily by different speakers. To develop a pedagogically sound method for automatic estimation, the envelope changes caused by linguistic factors and those by extra-linguistic factors should be properly separated. For this aim, in our previous study [1], we proposed a… CONTINUE READING
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