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This figure shows average oral vowel, nasal vowel and post-vocalic consonant durations and standard deviations for the second speaker (ms)  

This figure shows average oral vowel, nasal vowel and post-vocalic consonant durations and standard deviations for the second speaker (ms)  

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Article
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This study, part of a programmatic research on the Twi language, deals with data about the acoustic properties of nasal vowels compared to the oral counterparts. Acoustic results of the production of durational and quality contrasts are presented. Evidence from our acoustic data shows a general tendency whereby F2 and F3 of the nasal vowels are low...

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