Nasal Consonant

In Articulatory phonetics, the consonants produced by lowering the Velum are called nasal consonants . There exist also nasal vowels. The nasal consonants are almost always Occlusive S, but there also exists in certain languages such as the Gaélique of the nasal Fricative S (obtained however by two articulations bound by a phase of désocclusion to produce the fricative one).

They are the occlusive ones because although the pulmonary Flux runs out by the nasal cavity, it is stopped in the mouth.

The occlusive nasal ones belong to the family of the continuous , i.e. they do not block the expired air (contrary to the Occlusive S or Fricative S oral) and are almost always voiced.

From an acoustic point of view, the occlusive nasal ones have a sound Specter ranging between 200 and 2000 Hz.

French comprises the nasal following ones:

  • Bilabial: m (mom)
  • Dental consonant: N (nor)
  • Palatal (in the process of disappearance): ɲ (gnangnan)
  • Velar (loanwords): ŋ (carpark)

List nasal consonants in API

  • m : bilabial
  • ɱ : labiodental
  • N : dental consonant ( n̪ ), alveolar or post-alveolar
  • ɳ : rétroflexe
  • ɲ : palatal
  • ŋ : velar
  • ɴ : uvular

The nasalisation is noted sometimes into API using a tilde surscrit (however this symbol is rather reserved for the nasalisation of the Voyelle S).

The nasal flow is noted also sometimes into API by the symbol while exposing (used for the prenasalisation of the consonants), although this notation is vague.

See

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