| ID | Term | Platform |
|---|---|---|
| PDE080058212.1 | Glottal to noise excitation ratio using noise-signal ratio (NSR) and signal energy operator (SEO) | Vocal |
| PDE080058213.1 | Glottal to noise excitation ratio using noise-signal ratio (NSR) and Teager-Kaiser energy operator (TKEO) | 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 |