There is no speech nor language, where their voice is not heard; rather, there is no speech, there are no words; their voles is not heard; i.e. the speech which they utter is not common speech—it is without sound, without language; no articulate voice is to be heard.
(So Ewald, Hup-feld, Perowne, Kay, Hengstenberg, Alexander, and our Revisers.