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MAPPING BETWEEN SPEECH SIGNAL AND TRANSCRIPT

  • US 20190108831A1
  • Filed: 10/10/2017
  • Published: 04/11/2019
  • Est. Priority Date: 10/10/2017
  • Status: Active Grant
First Claim
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1. A computer-implemented method for mapping between a speech signal and a transcript of the speech signal, the method comprising:

  • obtaining the speech signal and the transcript of the speech signal;

    segmenting the speech signal to obtain one or more segmented speech signals;

    segmenting the transcript of the speech signal to obtain one or more segmented transcripts of the speech signal;

    performing automatic speech recognition of the one or more segmented speech signals to obtain recognized texts;

    converting the recognized texts into estimated phone sequences;

    converting the one or more segmented transcripts of the speech signal into reference phone sequences;

    calculating costs of correspondences between the estimated phone sequences and the reference phone sequences;

    determining a series of the estimated phone sequences, the series of the estimated phone sequences being with a smallest cost;

    selecting a partial series of the estimated phone sequences, from the series of the estimated phone sequences; and

    generating mapping data which includes the partial series of the estimated phone sequences and a corresponding series of the reference phone sequences, wherein the corresponding series corresponds to the partial series of the estimated phone sequences.

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