| Harmonic transform method | Instantaneous harmonic analysis | ||
---|---|---|---|---|
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Signal 1—, random constant harmonic amplitudes | ||||
| 41.5 | 41.5 | 50.4 | 50.4 |
40 | 38.5 | 41.4 | 41.2 | 44.7 |
20 | 20.8 | 29.2 | 21.9 | 26.2 |
10 | 10.7 | 19.5 | 11.9 | 16.4 |
0 | 1.2 | 9.2 | 2.9 | 6.0 |
Signal 2— changes from 150 to 220 Hz at a rate of 0.1 Hz/ms, constant harmonic amplitudes that model sound [a] | ||||
| 41.5 | 41.5 | 48.3 | 48.3 |
40 | 38.2 | 40.7 | 41.0 | 44.3 |
20 | 21.0 | 29.5 | 22.1 | 26.4 |
10 | 11.0 | 20.3 | 12 | 17.1 |
0 | 1.3 | 9.3 | 2.7 | 6.5 |
Signal 3— changes from 150 to 220 Hz at a rate of 0.1 Hz/ms, variable harmonic amplitudes that model sequence of vowels | ||||
| 19.6 | 19.7 | 34.0 | 34.0 |
40 | 17.3 | 17.5 | 31.2 | 31.8 |
20 | 17.7 | 21.3 | 20.1 | 25.5 |
10 | 8.7 | 15.6 | 10.3 | 15.1 |
0 | −0.8 | 7.55 | 0.94 | 5.2 |
Signal 4— changes from 150 to 220 Hz at a rate of 0.1 Hz/ms, variable harmonic amplitudes that model sequence of vowels, harmonic frequencies deviate from integer multiplies of on 10 Hz | ||||
| 13.2 | 14.0 | 26.9 | 27.0 |
40 | 10.6 | 11.9 | 24.8 | 25.3 |
20 | 11.9 | 13.6 | 19.3 | 22.7 |
10 | 6.9 | 12.1 | 9.6 | 14 |
0 | −1.6 | 6.1 | 0.5 | 4.2 |