Ok, that 14 LUFS setting in Ozone works perfectly, if you are using that you are good to go I think.

I just did some experimenting here. I took an old song that I just finished remixing (https://www.reverbnation.com/blueattitudemusic/song/29445531-the-blue-line)

and mastered it first using Ozone (I used the master assistant feature and selected "streaming" to setup the maximizer and also had the 14LUFS maximizer setting enabled), then using LMC.

I then converted both files to 128K MP3, because the streaming services will be doing something similar.

I tested the the two using a dynamic range meter and also the iZotope insight meter and the results were quite close:

LMC: DR 11, Peak L -.66 R -.66, LUFS -14.3

Ozone: DR 11, Peak L -1.11 R -1.00, LUFS -15

So I suppose if -14 LUFS is the goal, the streaming service would reduce the volume of the LMC file and increase the volume of the Ozone file until that target is achieved.

Not enough to make an audible difference?

I think the most important thing is making sure the mix is not too compressed and has good dynamic range before you start mastering.
In the case of this particular song, when I check the mix before mastering the peaks are around -5.5 and the LUFS is -20.

Dave

Blue Attitude Website
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