What distinguishes coarticulation involving nasal consonants from vowel-vowel coarticulation in vocal production?

💡 Explanation

Coarticulation with nasal consonants involves changes in velum height, impacting nasal airflow and causing vowel nasalization, because the velum's position directly affects the acoustic properties of adjacent vowels. Therefore, vowel nasalization distinguishes nasal-vowel coarticulation, rather than simply spectral transition changes or articulatory undershoot seen in other coarticulatory processes.

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