High quality copy of a master tape used to make additional copies. See also dub.

A copy of the master not used for exhibition.

the assembly of certain video and audio on a tape that will later be incorporated into the final edit master.

Term for subgroup. Submasters are usually distinguished from subroups in that there will only be a left and right (subgroups usually have 4 to 8 controls).

The fader which controls the level of sound from several channels (but not usually all channels) during mix down or recording.