Table 1 Description of the available operating modes—digital filter settings—for the investigated electronic stethoscopes, accordingly to the data provided by the manufacturers
From: Sound differences between electronic and acoustic stethoscopes
Stethoscope ‘A’ (Hz) | Stethoscope ‘B’ (Hz) | Stethoscope ‘C’ (Hz) | Stethoscope ‘D’ (Hz) |
|---|---|---|---|
Bell mode: 20–200 | Bell mode: 20–200 | Bell mode: 15–200 | Bell mode: 60–500 |
Diaphragm mode: 100–500 | Diaphragm mode: 200–500 | Diaphragm mode: 100–500 | Diaphragm mode: 80–500 |
Wide mode: 50–500 | Wide mode: 20–1000 | Wide mode: 15–4000 | Wide mode: 20–2000 |