U+1D6C "ᵬ" Latin Small Letter B with Middle Tilde Unicode Character

U+1D6C "ᵬ" Latin Small Letter B with Middle Tilde is a phonetic extension symbol used primarily in linguistic transcription, particularly within the International Phonetic Alphabet (IPA) or other scholarly notations to represent a modified voiced bilabial stop. This character consists of a standard lowercase Latin "b" with a small tilde drawn through its middle, indicating a specific articulatory or diacritic distinction such as nasalization or a fricative release. It appears in historical or specialized texts where precise phonetic detail is required, though it is not part of modern standard IPA and is now largely confined to academic or archival linguistic work.