Voiceless bilabial trill

Voiceless bilabial trill
ʙ̥
Audio sample
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Encoding
X-SAMPAB\_0

A voiceless bilabial trill is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ⟨ʙ̥⟩. Some sources use a para-IPA symbol ⟨⟩ to transcribe this sound.

This sound is typologically extremely rare. It occurs in languages such as Pará Arára. Only a few languages contrast voiced and voiceless bilabial trills phonemically – e.g. Mangbetu and Dongo of DR Congo and Ninde of Vanuatu.