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Acoustic correlates of regional dialects of American English in the first TIMIT sentence.
| Word | Phonetic Property | Acoustic Measure | Correlated Dialect Affiliation |
|---|---|---|---|
| dark | r-lessness | F3 midpoint – F3 offset | New England |
| suit | /u/ backness | F2 midpoint (normalized to F2 in ‘year’) | |
| greasy | fricative voicing | proportion of voicing | South |
| greasy | fricative duration | duration (normalized to word duration) | |
| wash | r-lessness | F3 midpoint |
