Tutorial
Requirement:-
1- Any low-cost stethoscope
2- A cheap earphone with microphone
3- Any mobile with a voice recorder app
4- Silent place to avoid noise during recording
6- VLC software to convert audio in mp3 if required
5- Audacity software to see the waveform and modify sound if needed (can be ignored).
Steps:-
1) Break open microphone gently
2) Pull out stethoscope bulb from tube (easy in cheap stethoscope)
3) Connect the microphone at the stethoscope bulb hole
4) Plug earphone in mobile and start voice recorder app
5) Auscultate and record sounds that need to be stored/shared
Go to recorded sound and share/store with the consent of patient/person and as required to tackle patient's needs.
can also
6) Open VLC and go to File -> Convert -> Select Audio -> Convert to MP3 and Save/Store (NDHB Blueprint in India accepts MP3 format as standard for sharing audio https://mohfw.gov.in/sites/default/files/National_Digital_Health_Blueprint_Report_comments_invited.pdf )
7) Open Audacity and modify sound for any analysis needed. (Much to explore here for me, will update findings.)
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