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Apparatus and method for breathing pattern determination using a non-contact microphone

  • US 9,642,557 B2
  • Filed: 06/25/2013
  • Issued: 05/09/2017
  • Est. Priority Date: 07/23/2004
  • Status: Expired due to Fees
First Claim
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1. A method for analyzing respiration of a subject, the method comprising:

  • using a non-contact microphone, generating a raw signal indicative of airflow sounds of the respiration;

    analyzing the raw signal to determine a first set of one or more parameters of the respiration;

    applying an algorithm to the first set of parameters to derive a second set of one or more estimated parameters of the respiration; and

    activating a sound synthesizer, a speaker and/or a visual display to provide a stimulus configured to guide the subject to perform breathing in a plurality of respiration phases determined at least in part responsively to the second set of parameters.

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