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METHOD AND SYSTEM FOR EFFICIENT SPOKEN TERM DETECTION USING CONFUSION NETWORKS

  • US 20150279358A1
  • Filed: 03/31/2014
  • Published: 10/01/2015
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A method for spoken term detection, comprising:

  • receiving phone level out-of-vocabulary (OOV) keyword queries;

    converting the phone level OOV keyword queries to words;

    generating a confusion network (CN) based keyword searching (KWS) index; and

    using the CN based KWS index for both in-vocabulary (IV) keyword queries and the OOV keyword queries, wherein the receiving, converting, generating and using steps are performed by a computer system comprising a memory and at least one processor coupled to the memory.

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