Maybe they’re looking for contrast in a particular scene, eg bright beside dark. If a sequence as a whole is very loud, while a later sequence is quiet, they mi

Maybe they’re looking for contrast in a particular scene, eg bright beside dark. If a sequence as a whole is very loud, while a later sequence is quiet, they might have to drop the volume down because of the loud part, effectively compressing the range of the quiet part to the point that it is unintelligible.