Trisha Shetty (Editor)

Voiceless labiodental fricative

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IPA number
  
128

Unicode (hex)
  
U+0066

Kirshenbaum
  
f

Entity (decimal)
  
f

X-SAMPA
  
f

Braille
  
Example

The voiceless labiodental fricative is a type of consonantal sound, used in a number of spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨f⟩.

Features

Features of the voiceless labiodental fricative:

  • Its manner of articulation is fricative, which means it is produced by constricting air flow through a narrow channel at the place of articulation, causing turbulence.
  • Its place of articulation is labiodental, which means it is articulated with the lower lip and the upper teeth.
  • Its phonation is voiceless, which means it is produced without vibrations of the vocal cords. In some languages the vocal cords are actively separated, so it is always voiceless; in others the cords are lax, so that it may take on the voicing of adjacent sounds.
  • It is an oral consonant, which means air is allowed to escape through the mouth only.
  • Because the sound is not produced with airflow over the tongue, the central–lateral dichotomy does not apply.
  • The airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the lungs and diaphragm, as in most sounds.

    • References

    Voiceless labiodental fricative Wikipedia
    (Text) CC BY-SA