Levels in Mastering for the Various Streaming Platforms (and what happened to the K-system of metering)

Sage Audio and Mastering the Mix both wrote great articles on the levels required for the various streaming platforms so I thought I would share these as this is a common concern for music producers. I’ll also tell you how I am rationalizing my mastering.

First, the link to this great article by Sage Audio: https://www.sageaudio.com/blog/mastering/mastering-for-streaming-platform-loudness-and-normalization-explained.php.

Mastering the Mix has an equally excellent one here: https://www.masteringthemix.com/blogs/learn/76296773-mastering-audio-for-soundcloud-itunes-spotify-and-youtube

(I also don’t use the K-scale or K-system any more thanks to the inventor of it, Bob Katz himself. Scroll to the bottom to see why.)

Updated: 12-October-2021

Here is how I am currently mastering my music:

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