Obstruent

As obstruent (also: Geräuschkonsonant, sound volumes ) are speech sounds, more precisely, a group of consonants, defined as having a narrowing or obstruction of the organs of articulation is formed, whereby the Phonationsstrom is hindered through the nose or mouth or interrupted and produces a specific sound.

The class of obstruents include plosives, affricates and fricatives. Obstruents are distinguished in that they are not sonorant.