Hierarchical bottle neck features for LVCSR

@inproceedings{Plahl2010HierarchicalBN,
  title={Hierarchical bottle neck features for LVCSR},
  author={Christian Plahl and Ralf Schl{\"u}ter and Hermann Ney},
  booktitle={INTERSPEECH},
  year={2010}
}
This paper investigates the combination of different neural network topologies for probabilistic feature extraction. On one hand, a five-layer neural network used in bottle neck feature extraction allows to obtain arbitrary feature size without dimensionality reduction by transform, independently of the training targets. On the other hand, a hierarchical processing technique is effective and robust over several conditions. Even though the hierarchical and bottle neck processing performs equally… CONTINUE READING
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