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Extraction of one or more discrete heart sounds from heart sound information

  • US 7,351,207 B2
  • Filed: 07/16/2004
  • Issued: 04/01/2008
  • Est. Priority Date: 07/18/2003
  • Status: Expired due to Fees
First Claim
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1. An apparatus, comprising:

  • a plurality of acoustic sensors that serve to obtain substantially simultaneously a plurality of heart sound signals, wherein the plurality of heart sound signals comprises a first heart sound signal S1 and a second heart sound signal S2, wherein the first heart sound signal S1comprises a plurality of substantially contemporaneous acoustic signals produced by a first corresponding plurality of distinct heart structures of a living heart that comprises a mitral valve and a tricuspid valve; and

    a processor that decomposes the first heart sound signal S1, acquired by the plurality of acoustic sensors, into one or more individual acoustic signals, that comprise an M1 sound of the mitral valve and a T1 sound of the tricuspid valve, of the plurality of substantially contemporaneous acoustic signals produced by the first corresponding plurality of distinct heart structures.

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