The correct level for every track.
Sound Transfer, Edit, Mix, Sync
The Final Mix
In the case of a non-linear edit, it is important to establish that the image will exactly match the sound, and that no frame errors have been introduced in the system. Playing the dialogue track against a pos conform or a mute print of the cut negative will highlight any errors which can be adjusted before committing to the costly process of sound mixing.
After mixing is complete, the soundtrack is in a form known as the final mix. A mono soundtrack was known as a three-track, with separate tracks carrying dialogue, music and effects. Stereo productions are in a fourtrack form: left, centre, right and surround tracks, each with dialogue, music and ...