The voiced bilabial plosive or stop is a type of
consonant
In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract, except for the h sound, which is pronounced without any stricture in the vocal tract. Examples are and pronou ...
al sound used in many spoken languages. The symbol in the
International Phonetic Alphabet
The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standard written representation ...
that represents this sound is , and the equivalent
X-SAMPA symbol is
b
. The voiced bilabial stop occurs in English, and it is the sound denoted by the letter in ''obey'' .
Features

Features of the voiced bilabial stop:
Varieties
Occurrence
See also
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Betacism
In historical linguistics, betacism ( , ) is a sound change in which (the voiced bilabial plosive, as in ''bane'') and (the voiced labiodental fricative , as in ''vane'') are confused. The final result of the process can be either /b/ → ...
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List of phonetics topics
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* Acoustic phonetics
* Active articulator
* Affricate
* Airstream mechanism
* Alexander John Ellis
* Alexander Melville Bell
* Alfred C. Gimson
* Allophone
* Alveolar approximant ()
* Alveolar click ()
* Alveolar consonant
* Alveolar e ...
Notes
References
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External links
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{{DEFAULTSORT:Voiced Bilabial stop
Voiced oral consonants
Bilabial stops
Pulmonic consonants
Labial–coronal consonants