predub noun 1verb 1forms 3 noun1 •A preliminary soundtrack produced by predubbing.Once the materials arrived at the stage, a dozen recordists and mix technicians required a half an hour to load the three or four dozen tracks a predub might require. — 2014 verb1 •To mix audio tracks such as dialog, music, and sound effects as a preliminary step, which does not include all the tracks in the final soundtrack.Then you will have the purist mixer who wants it to be predubbed without anything camouflaging the material. — 2012 formspredubbed · predubbing · predubs