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Mean (SD) F1 and F2 in adults’ and children’s determiner vowels by noun onset context.
| Noun /b/ | Noun /g/ | Noun /s/ | ||
|---|---|---|---|---|
| F1 | Adult | 403.13 (40.87) | 389.59 (42.67) | 376.94 (40.86) |
| Child | 521.21 (58.96) | 498.41 (62.42) | 486.25 (66.89) | |
| F2 | Adult | 1550.22 (123.19) | 1802.40 (88.18) | 1592.64 (118.62) |
| Child | 2092.22 (170.78) | 2347.36 (179.30) | 2211.55 (175.31) | |
