| Main sound category: | Diphthongs |
| Source vowel: | SoundCategory object (201) |
| Target vowel: | SoundCategory object (192) |
| IPA symbol: | äɛ |
| IPA description: | open central unrounded to lower mid front unrounded diphthong |
| UPSID symbol: | aE |
| UPSID description: | low central unrounded to lower mid front unrounded diphthong |
| Occurs in | 1 language |
| That is in | 0.20% of all languages |
| Occurs in: | Breton |