No, mastering is all about creating a compliant production master from a collection of mixes. The sub-layer is creating that master in a way that the different mixes have a consistency to them, and that holistically, the finished product translates to the widest selection of potential playback systems.yeah well thats what "mastering" is all about, bringing that finished product to a satisfactory level.
ahhh i've been enlightened once again.(truthfully thanks).... i mean i was gonna type the same thing you did but i didnt know how to word it, lolNo, mastering is all about creating a compliant production master from a collection of mixes. The sub-layer is creating that master in a way that the different mixes have a consistency to them, and that holistically, the finished product translates to the widest selection of potential playback systems.
Loudness is a distant afterthought.