Stochastic pronunciation modelling for spoken term detection

@inproceedings{Tan2009StochasticPM,
  title={Stochastic pronunciation modelling for spoken term detection},
  author={Xiaoyang Tan and Simon King and Joe Frankel},
  booktitle={INTERSPEECH},
  year={2009}
}
A major challenge faced by a spoken term detection (STD) system is the detection of out-of-vocabulary (OOV) terms. Although a subword-based STD system is able to detect OOV terms, performance reduction is always observed compared to in-vocabulary terms. Current approaches to STD do not acknowledge the particular properties of OOV terms, such as pronunciation uncertainty. In this paper, we use a stochastic pronunciation model to deal with the uncertain pronunciations of OOV terms. By considering… CONTINUE READING
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