ADDITIONAL STEREO MASTER FOR OPTIMISED STREAMING
Additional stereo master for optimised playback on streaming sites such as Spotify, Youtube and iTunes. These streaming sites playback is determined by LUFS. It will adjust your audio volume in of your track either way so that it will match the rest of the videos on the site. If you use a standard master it will intersample peak during the conversion that they use for playback. During the mastering process hardly any limiting is use as there is no need for the track to be over loud and thus keeps a massive range of the dynamics intact that may not be as apparent in todays loudness wars. This allows for much easier and pleasurable listening for the consumer.
These types of masters are great for attaching to you youtube videos as well as youtube acts the same way.