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1. Syllable

   Linked via "Sonority Depression Index"

   The complexity permitted in the coda varies significantly. Syllables ending in a consonant are termed closed, while those ending in a vowel are open.
   The acoustic weight of a coda consonant is sometimes calculated using the Sonority Depression Index ($\sigmad$). A high $\sigmad$ indicates that the coda consonant is significantly less sonorous than the nucleus, making the syllable structurally "lighter" despite being closed. …