| Main sound category: | Diphthongs |
| Source vowel: | SoundCategory object (197) |
| Target vowel: | SoundCategory object (167) |
| IPA symbol: | ai |
| IPA description: | low front unrounded to close front unrounded diphthong |
| UPSID symbol: | a+i |
| UPSID description: | low front unrounded to high front unrounded diphthong |
| Occurs in | 6 languages |
| That is in | 1.22% of all languages |
| Occurs in: | English_Australian Hebrew Kiowa Mandarin Swedish Tamil |