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The phonetics of suprasegmentals - Linguistics - University of ...

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Duration<br />

American English vowel duration (Hillenbrand et al., 1995)<br />

/i/ 282 ms /u/ 273 ms<br />

/I/ 226 ms /U/ 229 ms<br />

/eI/ 300 ms /oU/ 300 ms<br />

/E/ 226 ms /5/ 216 ms<br />

/æ/ 311 ms /O/ 318 ms<br />

/a/ 300 ms /ô/ 297 ms<br />

Lower vowels are longer than higher vowels.<br />

Lax vowels /I, E, U, 5/ are shorter than non-lax vowels, with a<br />

difference ratio <strong>of</strong> 1:1.33.<br />

DiCanio (DDL) Features 24/3/10 20 / 24

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