| ID | Term | Platform |
|---|---|---|
| PDE080058208.1 | Entropy of vocal fold excitation ratios (VFER) | Vocal |
| PDE080058281.1 | Mean of vocal fold excitation ratios (VFER) | Vocal |
| PDE080058362.1 | Std of vocal fold excitation ratios (VFER) | Vocal |
| PDE080058368.1 | Vocal fold excitation ratio (VFER) using noise-signal ratio (NSR) and signal energy operator (SEO) | Vocal |
| PDE080058369.1 | Vocal fold excitation ratio (VFER) using noise-signal ratio (NSR) and Teager-Kaiser energy operator (TKEO) | Vocal |
| PDE080058370.1 | Vocal fold excitation ratio (VFER) using signal-noise ratio (SNR) and signal energy operator (SEO) | Vocal |
| PDE080058371.1 | Vocal fold excitation ratio (VFER) using signal-noise ratio (SNR) and Teager-Kaiser energy operator (TKEO) | Vocal |