Table A1.
Parameters of audio-recording for Vibrobed.
| AM 1 (14 s) | AM 2 (10 s) | AM 3 (6 s) | Calibration 40 Hz | |||||
|---|---|---|---|---|---|---|---|---|
| Zone (Vibrobed) | dBmax | Pmax (W) | dBmax | Pmax (W) | dBmax | Pmax (W) | −15 dB RMS | W |
| Z1 | −9.15 | 0.89 | −9 | 0.92 | −10.1 | 0.71 | 0.68 | 0.23 |
| Z2 | −9.15 | 0.86 | −9 | 0.89 | −10.1 | 0.69 | 0.67 | 0.22 |
| Z3 | −9.15 | 1.02 | −9 | 1.06 | −10.1 | 0.82 | 0.73 | 0.27 |
| Z4 | −9.15 | 1.02 | −9 | 1.06 | −10.1 | 0.82 | 0.73 | 0.27 |
Z1—calves area; Z2—thighs area; Z3—low back area; Z4—upper back area; Pmax (W)—Nominal Power (Watt); dBmax—Maximum decibel level; RMS (Root mean squer)—Average transducers power.