Feature Learning in Deep Neural Networks - Studies on Speech Recognition Tasks

  title={Feature Learning in Deep Neural Networks - Studies on Speech Recognition Tasks},
  author={Dong Yu and Michael L. Seltzer and Jinyu Li and Jui-Ting Huang and Frank Seide},
Recent studies have shown that deep neural networks (DNNs) perform significantly better than shallow networks and Gaussian mixture models (GMMs) on large vocabulary speech recognition tasks. In this paper, we argue that the improved accuracy achieved by the DNNs is the result of their ability to extract discriminative internal representations that are robust to the many sources of variability in speech signals. We show that these representations become increasingly insensitive to small… CONTINUE READING
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