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Physiological acoustic monitoring system

  • US 10,342,497 B2
  • Filed: 12/11/2017
  • Issued: 07/09/2019
  • Est. Priority Date: 10/15/2009
  • Status: Active Grant
First Claim
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1. A method of generating synthetic heart sounds audio responsive to a signal detected by an optical sensor attached to a patient, the method comprising:

  • processing, at a patient monitor, a signal from an optical sensor responsive to pulsatile blood flow at a tissue site of the patient;

    comparing features in the signal with sound signatures corresponding to physiological sounds stored in a first data repository;

    determining a first plurality of sounds to include a synthetic heart sounds audio based on the comparison of the features in the signal with sound signatures;

    mixing the first plurality of sounds with white noise;

    generating the synthetic heart sound audio based on the mixing of the first plurality of sounds with the white noise; and

    transmitting the plurality of digital tags over a network in lieu of the processed signal, thereby reducing bandwidth required for network transmission.

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