High Quality Content by WIKIPEDIA articles! The voiceless pharyngeal fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is h-bar (?), and the equivalent X-SAMPA symbol is X. Its manner of articulation is fricative, which means it is produced by constricting air flow through a narrow channel at the place of articulation, causing turbulence. Its place of articulation is pharyngeal which means it is articulated with the root of the tongue against the pharynx.