Ian Stewart

Ian Stewart

Learn contributor

Ian Stewart is a mastering engineer and audio educator from the Berkshires of Western Massachusetts where he's operated Flotown Mastering since 2011. Ian received his B.S. in Music Engineering Technology from the University of Miami in 2007 and has been a passionate advocate for audio quality, and for fostering a better understanding of the topics surrounding it, ever since. He is also an Assistant Professor at Berklee College of Music. 

What Is Audio Normalization?

What Is Audio Normalization?

These days you hear about audio normalization all over the place. Terms like “peak normalized” and “loudness normalized” regularly come up, especially...

AI & Automated Mastering: What to Know

AI & Automated Mastering: What to Know

From ChatGPT and Lensa to folks urging a halt to AI research, we’re hearing a lot about artificial intelligence in our world today. However, at...

What Is Remastering? How to Remaster an Old Recording

What Is Remastering? How to Remaster an Old Recording

If there’s a topic in audio engineering more shrouded in mystery than audio mastering, it’s got to be remastering. What is remastering? How...

What Is a True Peak Limiter?

What Is a True Peak Limiter?

As you may have noticed, there’s some controversy around true peak limiting. Some people swear by it, while others seem to have sworn off it. To further...

What are LUFS? The complete guide

What are LUFS? The complete guide

It’s hard to talk about music production in the ‘20s without the topic of LUFS and loudness coming up. But what is the definition of LUFS? What...

What Is the Haas Effect and How to Use It

What Is the Haas Effect and How to Use It

Some claim it’s the golden ticket to a big, wide stereo image, others say it’s a surefire way to end up in a mess of comb filtering and phase...

Choosing the right compressor for your sound

Choosing the right compressor for your sound

A compressor in mixing and mastering is used to reduce a signal's dynamic range—that is, to reduce the difference in level between the...

What Is Soft Clipping? How to Use It to Get Good, Loud Masters

What Is Soft Clipping? How to Use It to Get Good, Loud Masters

Clipping, and particularly soft clipping, has been a tool used in mastering for many years. Whether it’s the magnetically induced soft clipping of analog tape...

What is the Fletcher Munson Curve? Using Equal Loudness Curves in Mixing and Mastering

What is the Fletcher Munson Curve? Using Equal Loudness Curves in Mixing and Mastering

“Fletcher Munson,” or “equal loudness” are the kinds of terms experienced audio engineers will throw around with the forgone conclusion that...

What Is Comb Filtering?

What Is Comb Filtering?

While the concept of comb filtering might not be as foundational as, say, headroom or phase, it’s certainly one of those terms you’ll hear experienced...

6 Tips for Widening the Stereo Image of a Mix

6 Tips for Widening the Stereo Image of a Mix

There was once a time when mono was king. From radio to record players, most listeners only had mono playback systems. As a result, creating a good mono...

What is tonal balance in mixing and mastering?

What is tonal balance in mixing and mastering?

“Tonal balance” is one of those terms that gets thrown around a lot by mixing and mastering engineers as if they’re talking about something as...