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Methods and apparatus to generate a speech recognition library

  • US 9,202,460 B2
  • Filed: 05/14/2008
  • Issued: 12/01/2015
  • Est. Priority Date: 05/14/2008
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • a memory to store instructions; and

    a processor coupled to the memory, wherein responsive to executing the instructions, the processor performs operations comprising;

    receiving video media content, wherein the video media content comprises images, audio content, and closed captioning of text from the audio content;

    detecting an occurrence of a textual phrase in the closed captioning of the video media content as a detected occurrence;

    selecting an audio segment from the audio content of the media content as a selected audio segment, wherein the selected audio segment corresponds to the detected occurrence of the textual phrase in the closed captioning;

    selecting from a speech recognition library an audio pronunciation associated with the textual phrase, wherein the speech recognition library comprises a group of identified audio segments, wherein the group of identified audio segments comprises a baseline audio pronunciation and collected audio pronunciations of the textual phrase;

    comparing the selected audio segment with the group of identified audio segments from the speech recognition library;

    determining if an audio pronunciation of the selected audio segment differs from the baseline audio pronunciation from the speech recognition library;

    responsive to determining that the audio pronunciation of the selected audio segment differs from the baseline audio pronunciation, generating a phonetic transcription of the audio pronunciation of the selected audio segment; and

    adding the phonetic transcription and the textual phrase to the group of identified audio segments in the speech recognition library to populate the collected audio pronunciations of the selected audio segment.

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