Dubbing is often used in TV shows or movies when one language is translated into another. The act of dubbing often involves recording new audio over the existing audio track. However, there are many different synonyms for the term "dub over" that can help make this process more clear. Some of these synonyms include revoice, rerecord, overdub, and post-sync. Each of these terms essentially means the same thing and refers to the process of recording new audio to replace or enhance the original sound in a video or audio file.