Mastering Articles

This is where I write about mastering. The gear, the technique, the decisions behind the work. Some of it is practical. Some of it is what I needed to get down.

Mat Leffler-Schulman 5/1/26 Mat Leffler-Schulman 5/1/26

What Does a Mastering Engineer Actually Do?

I hear your mix for the first time, in a room built to tell the truth, and I wasn't there for the three-hour debate about the hi-hat. That's the job, and it's how a one-time hire becomes the person you call first.

Mat Leffler-Schulman 4/28/26 Mat Leffler-Schulman 4/28/26

What Is Mastering?

A Grammy-nominated mastering engineer breaks down what mastering actually is: quality control, fine-tuning, and deliverable assembly.

Mat Leffler-Schulman 4/26/26 Mat Leffler-Schulman 4/26/26

The Long-Term Mastering Relationship for Producers and Studios

The first record we make together is the most work. By the third, I know the difference between your choices and your habits, and the sessions get easier for both of us.

Mat Leffler-Schulman 4/25/26 Mat Leffler-Schulman 4/25/26

Mix Preparation and File Delivery for Mastering

What you send and how you send it sets the ceiling for what mastering can do. Format, headroom, plugins, communication: cover these before you deliver and the session starts from the strongest possible place.

Mat Leffler-Schulman 4/23/26 Mat Leffler-Schulman 4/23/26

Loudness, Dynamics, and Translation in Mastering

If everything is loud all the time, nothing feels loud. Loudness is a tool. Dynamics are the material you are working with. Translation is how you find out whether your decisions survived contact with the real world.