Theory and practice of acoustic confusability

  title={Theory and practice of acoustic confusability},
  author={Harry Printz and Peder A. Olsen},
  journal={Computer Speech & Language},
In this paper we define two alternatives to the familiar perpl xity statistic (hereafter lexical perplexity), which is widely applied both as a measure-of-goodness and as an objective function for tr aining language models. These alternatives, respectively acoustic perplexityand thesynthetic acoustic word error rate , fuse information from both the language model and the acoustic model. We show how to compute these statistics by effectively synthesizin g a large acoustic corpus, demonstrate… CONTINUE READING
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