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Stethoscope with digital frequency translation for improved audibility

Herbert M Aumann1, Nuri W Emanetoglu1

  • 1Department of Electrical and Computer Engineering, University of Maine, Orono, ME 04420, USA.

Healthcare Technology Letters
|December 17, 2019
PubMed

Keywords:
Hilbert transformerHilbert transformsacoustic stethoscopeanalog frequency translatoranalogue-digital conversionaudio coder-decoderaudio codingbioacousticsbiomedical equipmentcardiologychest soundsdigital frequency translationfrequency 200.0 Hzfrequency 72.0 MHzhearing impaired physiciansheart soundsintestinal soundsmedical signal processingmicrocontrollermicrocontrollersmodulationsingle sideband suppressed carrier modulationtime delay

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