High Quality Content by WIKIPEDIA articles! The breathy-voiced glottal transition, commonly called a voiced glottal fricative, is a type of sound used in some spoken languages which often behaves like a consonant, but sometimes behaves more like a vowel, or is indeterminate in its behavior. The symbol in the International Phonetic Alphabet that represents this sound is ?, and the equivalent X-SAMPA symbol is h. Although [?] has been described as a breathy-voiced counterpart of the following vowel because of its lack of place and manner of articulation in many languages, it may have glottal constriction in a number of languages (such as Finnish), making it a fricative.