Plosive Consonants• Plosives: Oral stops– The air is stopped completely in the oralcavity for a brief period.– Then it explodes with the release of theclosure, producing loud-enough noise tobe heard.– English plosives:• Bilabials: /p, b/• Alveolars: /t, d/• Velars: /k, g/
Plosive ConsonantsDifferencesGroup A Group B/p/ /b//t/ /d//k/ /g/
Plosive Consonants1- Voicing- G.A → V. Cords → Open → no vibration → voiceless.- G.B → V. Cords → Closed gently → vibration → Voiced.2- Production:-- G.A is difficult to produce. We need effort.- G.B is easy.- Perception:- G.A is difficult to be heard.G.B is easy to be heard.
Plosive Consonants3- Length:-- Voiceless plosives Shorten the preceding Vowel.For example:- heart [hɑ•t ] , hard [ha:d].4- Aspiration:-- G.A has aspiration. For example:- pet [phet].- G.B has no aspiration. For example:- bet [bet].
Plosive ConsonantsAspirationThe phenomenon in which a small“puff of air” escapes through the vocalfolds after the release phase. It istranscribed as [ Ch].
Plosive ConsonantsRules of Aspiration1- Voiceless plosive + a vowel sound → aspirated./p/ pen → /pen/ → [phen]/t/ ten → /ten/ → [then]/k/ cat → /kæt/ → [khæt]