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Zero-Order Correlations Between Each Acoustic Feature for the Vocal Stimuli.
| Acoustic characteristics | Mean F0 (Hz) | F0-SD (Hz) | Df (Hz) | Pf (Hz) | HNR (dB) | Jitter (%) | Intensity (dB) |
|---|---|---|---|---|---|---|---|
| Mean F0 (Hz) | 1 | ||||||
| F0-SD (Hz) | 0.56*** | 1 | |||||
| Df (Hz) | −0.16 | −0.13 | 1 | ||||
| Pf (Hz) | 0.16 | 0.10 | 0.31* | 1 | |||
| HNR (dB) | 0.13 | −0.24 | 0.35** | −0.06 | 1 | ||
| Jitter (%) | −0.15 | 0.20 | 0.13 | −0.14 | −0.57*** | 1 | |
| Intensity (dB) | 0.13 | 0.02 | 0.24 | 0.05 | 0.22 | −0.08 | 1 |
Note. HNR = harmonics-to-noise ratio.
Significance code: *p < .05. **p < .01. ***p < .001.
