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Obstruent




In Phonetics , articulation may be divided into two large classes, obstruents and sonorants. An obstruent is a Consonant sound formed by ''obstructing'' outward airflow, causing increased air pressure in the vocal tract.

Obstruents are subdivided into Stop s, Fricative s, and Affricate s. Obstruents are prototypically Voiceless , though voiced obstruents are common. This contrasts with Sonorant s, which are rarely voiceless.


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