The voiced palato-alveolar fricative or domed postalveolar affricate is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is Voiced postalveolar affricate, and the equivalent X-SAMPA symbol is [dZ] . Alternatives commonly used in linguistic works, particularly in older or American literature, are . It is familiar to English speakers as the j sound in jump.