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Voiced bilabial fricative
β
IPA number127
Encoding
Entity (decimal)β
Unicode (hex)U+03B2
X-SAMPAB
KirshenbaumB
Braille⠨ (braille pattern dots-46)⠃ (braille pattern dots-12)
Voiced bilabial approximant
β̞

The voiced bilabial fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨β⟩ (or more properly ⟨⟩), and the equivalent X-SAMPA symbol is B. The symbol ⟨β⟩ is the Greek letter beta.

IPA: Pulmonic consonants [edit]
Place Labial Coronal Dorsal Laryngeal
Nasal m ɱ n ɳ̊ ɳ ɲ̊ ɲ ŋ̊ ŋ ɴ
Stop p b t d ʈ ɖ c ɟ k ɡ q ɢ ʡ ʔ
Sibilant affricate t̪s̪ d̪z̪ ts dz t̠ʃ d̠ʒ ʈʂ ɖʐ t̠ɕ d̠ʑ
Non-sibilant affricate p̪f b̪v t̪θ d̪ð tɹ̝̊ dɹ̝ t̠ɹ̠̊˔ d̠ɹ̠˔ ɟʝ kx ɡɣ ɢʁ ʡʜ ʡʢ ʔh
Sibilant fricative s z ʃ ʒ ʂ ʐ ɕ ʑ
Non-sibilant fricative ɸ β f v θ̼ ð̼ θ ð θ̠ ð̠ ɹ̠̊˔ ɹ̠˔ ɻ̊˔ ɻ˔ ç ʝ x ɣ χ ʁ ħ ʕ h ɦ
Approximant β̥˕ ɸ̬˕ ʋ̥ ʋ θ̞ ð̞ ɹ̥ ɹ ɹ̠ ɻ̊ ɻ j ɰ̊ ɰ ʁ̞ ʕ̞ ʔ̞
Tap/flap ⱱ̟ ɾ̼ ɾ̪ ɾ̥ ɾ ɾ̠ ɽ̊ ɽ ɢ̆ ʡ̆
Trill ʙ̥ ʙ r ɽr̥ ɽr ʀ̥ ʀ ʜ ʢ
Lateral affricate ʈɭ̊˔ ɖɭ˔ cʎ̝̊ ɟʎ̝ kʟ̝̊ ɡʟ̝
Lateral fricative ɬ̪ ɮ̪ ɬ ɮ ɭ̊˔ ɭ˔ ʎ̝̊ ʎ̝ ʟ̝̊ ʟ̝
Lateral approximant l ɭ̊ ɭ ʎ̥ ʎ ʟ̥ ʟ ʟ̠
Lateral tap/flap ɺ ɭ̆ ʎ̆ ʟ̆

Symbols to the right in a cell are voiced, to the left are voiceless. Shaded areas denote articulations judged to be impossible.

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