Look-ahead techniques for fast beam search

@article{Ortmanns1997LookaheadTF,
  title={Look-ahead techniques for fast beam search},
  author={Stefan Ortmanns and Andreas Eiden and Hermann Ney and Norbert Coenen},
  journal={Computer Speech & Language},
  year={1997},
  volume={14},
  pages={15-32}
}
In this paper, we present two efficient look-ahead pruning te chniques in beam search for large vocabulary continuous speec h recognition. Both techniques, the language model look-ahe ad and the phoneme look-ahead, are incorporated into the word conditioned search algorithm using a bigram language model and a lexical prefix tree [5]. The paper present the following nov el contributions: We describe a method for language model (LM) look-ahead pruning which is similar to [1, 9]. We show special… CONTINUE READING
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