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Disambiguation in speech recognition

  • US 9,558,740 B1
  • Filed: 03/30/2015
  • Issued: 01/31/2017
  • Est. Priority Date: 03/30/2015
  • Status: Active Grant
First Claim
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1. A method for performing automatic speech recognition (ASR) processing on an utterance including a search request, the method comprising:

  • receiving, from a mobile device, audio data corresponding to an utterance, the utterance comprising a search request;

    performing ASR processing on the audio data to determine ASR results, the ASR results comprising a first ASR hypothesis, a second ASR hypothesis and a third ASR hypothesis;

    determining a disambiguation group, wherein the disambiguation group comprises the first ASR hypothesis, the second ASR hypothesis and the third ASR hypothesis;

    processing, by a search engine;

    the first ASR hypothesis to determine first search results comprising a first plurality of entities,the second ASR hypothesis to determine second search results comprising a second plurality of entities, andthe third ASR hypothesis to determine third search results comprising a second plurality of entities;

    determining that the second ASR hypothesis is similar to the third ASR hypothesis as a result of overlap between the second plurality of entities and the third plurality of entities;

    determining a revised disambiguation group, wherein the revised disambiguation group comprises the first ASR hypothesis and the second ASR hypothesis; and

    sending, to the mobile device, data corresponding to the revised disambiguation group for disambiguation.

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