Speech Recognition Using Augmented Conditional Random Fields

  title={Speech Recognition Using Augmented Conditional Random Fields},
  author={Yasser Hifny and Steve Renals},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
Acoustic modeling based on hidden Markov models (HMMs) is employed by state-of-the-art stochastic speech recognition systems. Although HMMs are a natural choice to warp the time axis and model the temporal phenomena in the speech signal, their conditional independence properties limit their ability to model spectral phenomena well. In this paper, a new acoustic modeling paradigm based on augmented conditional random fields (ACRFs) is investigated and developed. This paradigm addresses some… CONTINUE READING
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