List of stimuli included in the psychophysical study
| Stimulus type | Frequency (Hz) | Amplitude (μm) |
|---|---|---|
| Sine | 100 | 150 |
| Diharmonic | 100 1000 | 100 5 |
| Diharmonic | 100 300 | 100 25 |
| Diharmonic | 50 500 | 125 18.75 |
| Triharmonic | 100 300 500 | 80 20 20 |
Subjects rated the perceived dissimilarity between pairs of stimuli.