Phonetics and Phonology (ENG)
VU Similarly, ‘Approximant’ and Vowel have five principal features Height, (with
five possible values high, [mid-high], mid, [mid-low], and low, Backness (with three values, front, center, and back) and two kinds of Rounding (i.e., Protrusion with possible
values protruded and retracted, and Compression, with possible values compressed and separated. The fourth feature for vowels and approximants is the Tongue Root which has two possible values [+ATR] and [−ATR]. Finally, the feature ‘Rhotic’ has only one possible value, [rhotacized]. It is also important to remember that the Laryngeal possibilities involve mainly five features (voiceless,
breathy voice, modal voice,
creaky voice, and closed - forming a glottal stop. Airstream features have three values Pulmonic, Velaric and
Glottalic).
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