| русский | rus-000 |
| инфразвуковой | |
| Universal Networking Language | art-253 | infrasonic(icl>adj) |
| 普通话 | cmn-000 | 低声 |
| 國語 | cmn-001 | 低聲 |
| Hànyǔ | cmn-003 | dīshēng |
| English | eng-000 | infrasonic |
| English | eng-000 | silent-sound |
| English | eng-000 | subaudio |
| English | eng-000 | subsonic |
| русский | rus-000 | дозвуковой |