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Natural human-computer interaction for virtual personal assistant systems

  • US 9,607,612 B2
  • Filed: 05/20/2013
  • Issued: 03/28/2017
  • Est. Priority Date: 05/20/2013
  • Status: Active Grant
First Claim
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1. A computing device for speech recognition, the computing device comprising:

  • a processor;

    an audio sensor;

    an audio input module to;

    capture audio input using the audio sensor; and

    distort, by the processor, a waveform of the audio input to produce a plurality of distorted audio variations, wherein to distort the waveform comprises to adjust a temporal duration of the waveform; and

    a speech recognition module to;

    perform speech recognition on the audio input and each of the distorted audio variations to produce a plurality of speech recognition results; and

    select, by the processor, a result from the speech recognition results based on contextual information.

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