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Voiced bilabial affricate
Voiced bilabial affricate bβ
voiced bilabial affricate ( [b͡β] in IPA) is a rare affricate consonant that is initiated as a bilabial stop [b] and released as a voiced bilabial fricative [β]. It has not been reported to occur phonemically in any language.
Features of the voiced bilabial affricate:
manner of articulation is affricate, which means it is produced by first stopping the airflow entirely, then allowing air flow through a constricted channel at the place of articulation, causing turbulence. Its
place of articulation is bilabial, which means it is articulated with both lips. Its
phonation is voiced, which means the vocal cords vibrate during the articulation. It is an
oral consonant, which means air is allowed to escape through the mouth only. It is a
central consonant, which means it is produced by directing the airstream along the center of the tongue, rather than to the sides. The airstream mechanism is pulmonic, which means it is articulated by pushing air solely with the lungs and diaphragm, as in most sounds.
Gimson, Alfred Charles (2014), Cruttenden, Alan (ed.), (8th ed.), Routledge, Gimson's Pronunciation of English ISBN 9781444183092
Valenzuela, Pilar M.; Márquez Pinedo, Luis; Maddieson, Ian (2001), "Shipibo", Journal of the International Phonetic Association, 31 (2): 281–285, doi: 10.1017/S0025100301002109 Wells, John C. (1982). "Accents of English 2: The British Isles". Cambridge: Cambridge University Press. ISBN . 0-521-24224-X