Acoustic normalization of children's speech

  title={Acoustic normalization of children's speech},
  author={Georg Stemmer and Christian Hacker and Stefan Steidl and Elmar N{\"o}th},
Young speakers are not represented adequately in current speech recognizers. In this paper we focus on the problem to adapt the acoustic frontend of a speech recognizer which has been trained on adults’ speech to achieve a better performan ce on speech from children. We introduce and evaluate a method t o perform non-linear VTLN by an unconstrained data-driven op timization of the filterbank. A second approach normalizes t he speaking rate of the young speakers with the PSOLA algorithm… CONTINUE READING
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