Table 3.
Acoustic correlates of regional dialects of American English in the second TIMIT sentence.
| Word | Phonetic Property | Acoustic Measure | Correlated Dialect Affiliation |
|---|---|---|---|
| don't | / ow/ backness | F2 midpoint (normalized to F2 in ‘year’) | |
| don't | / ow/ diphthongization | F2 midpoint – F2 offset | |
| oily | /
oj/ diphthongization /oj/ monophthongization |
F2 offset – F2 midpoint | Midland South |
| rag | /
ae/ backness /ae/ frontness |
F2 midpoint (normalized to F2 in ‘year’) | New England North |
| rag | / ae/ diphthongization | F2 offset – F2 onset | |
| like | / aj/ diphthongization | F2 offset – F2 midpoint |