Effective keyword search for low-resourced conversational speech

@article{Lileikyte2017EffectiveKS,
  title={Effective keyword search for low-resourced conversational speech},
  author={Rasa Lileikyte and Thiago Fraga-Silva and Lori Lamel and Jean-Luc Gauvain and Antoine Laurent and Guangpu Huang},
  journal={2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2017},
  pages={5785-5789}
}
In this paper we aim to enhance keyword search for conversational telephone speech under low-resourced conditions. Two techniques to improve the detection of out-of-vocabulary keywords are assessed in this study: using extra text resources to augment the lexicon and language model, and via subword units for keyword search. Two approaches for data augmentation are explored to extend the limited amount of transcribed conversational speech: using conversational-like Web data and texts generated by… CONTINUE READING

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