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Phonocardiograph

Objective:

This phonocardiograph device can be used to listen, observe and record the sounds originating from the heart during a cardiac cycle. This device transmits the heart sound to PC using a USB soundcard. A free software is used to digitally plot, record and analyse the sound.

 

Features:

  • 3D printed chest piece with a built-in microphone picks up heart sounds
  • USB soundcard provides manual controlled gain
  • Freeware ‘Audacity’ is used to acquire digital sound data and to plot the heart sound wave forms
  • Software has features for digital amplification and post processing through additional digital filters
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