Methods and apparatuses for automatic speech recognition

  • US 9,431,006 B2
  • Filed: 07/02/2009
  • Issued: 08/30/2016
  • Est. Priority Date: 07/02/2009
  • Status: Active Grant
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First Claim
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1. A machine implemented method to perform speech recognition, comprising:

  • receiving first portions of an acoustic signal;

    determining a likelihood of a recovered first parameter sequence representing the first portions of the acoustic signal;

    determining a likelihood of a recovered second parameter sequence associated with the recovered first parameter sequence, wherein the second parameter sequence represents second portions of the acoustic signal having a coarser granularity than the first portions;

    determining a likelihood of a recovered word sequence based on the recovered second parameter sequence; and

    outputting the recovered word sequence.

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  • 1 Assignment