61 lines
1.0 KiB
Markdown
61 lines
1.0 KiB
Markdown
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- Complete or partial closure of vocal tract
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- Voiced/Unvoiced
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# Nasal
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- Mouth closed and velum lowered
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- Vowel-like structure, weaker energy
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- Sound through nose
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- English has only voiced nasals
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- Can be identified by direction of formant movement
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- m, n, ng
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- Locations
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- Labial
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- Lips
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- m
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- Alveolar
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- Palatal ridge
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- n
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- Velar
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- Soft palate
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- ng
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# Plosive
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- Closure which is released
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- Voiced or unvoiced
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- Based on when voicing starts
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- t, d
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- Trill
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- Tap or flap
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- Locations
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- Labial
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- Lips
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- p, b
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- Alveolar
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- Palatal ridge
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- t, d
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- Velar
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- Soft palate
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- k, g
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# Fricative
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- Air forced through constriction
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- Jet of turbulence
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- Noisy
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- Voiced
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- v, z
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- Unvoiced
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- f, s
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- Frequency cut-off
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- Inversely proportional to length of cavity in front of constriction
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- Sibilants
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- Air forced over teeth
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- s, z
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- Affricate
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- Abrupt start to frication
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- Ch, J
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# Approximant
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- Articulators move close, some perturbations
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- Vowel-like structure, weaker energy
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- Upward trajectory of formants
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- r, y, l , w
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