Mix Analyzer guide
3D Spatial Audio Analysis
Read depth, height, and width - and fix the flat, two-dimensional mixes that come from ignoring front-to-back space.
Why most mixes are flat
A mix has three dimensions: width (left to right), depth (front to back), and a sense of height (low to high). Here is the clearest pattern in our data: producers nail width but forget the other two. Depth and height score low across almost every mix we analyze - nearly all of them read low on height, and only a handful have real front-to-back depth. That is the easiest big win left on the table: a flat, two-dimensional mix becomes a three-dimensional one with a few deliberate moves.
Depth
Front-to-back placement from level, reverb, pre-delay, and high-frequency rolloff.
Height
A sense of vertical lift, suggested by top-end air and brightness.
Width
The left-to-right spread and how stable it stays.
Translation
Whether the space still works on headphones and small speakers.
What we see most often in real mixes
Width gets all the attention because it is the obvious one. Depth and height are quieter wins, and they are exactly where the mixes we analyze leave the most on the table.
The pattern in the data
- Nearly every mix reads low on height - the vertical, airy dimension is almost always missing.
- Most mixes lack real front-to-back depth; only a few place elements convincingly near and far.
- Width is usually present, sometimes the only dimension being used.
- The result is a flat wall of sound rather than a scene with space in it.
How to build depth, front to back
Depth is an illusion built from distance cues. As a sound moves away it gets quieter, duller, and more reverberant - so you place elements by dialing those three things, not by adding a single effect.
Place each element
- Keep anchors close and dry: lead vocal, kick, and snare stay present and forward.
- Push background parts back with more reverb, a shorter pre-delay, and a high-frequency rolloff.
- Use a longer pre-delay to keep a source forward while a room blooms behind it.
- Layer two or three depth planes - front, middle, back - and assign each track to one.
The common problems - and how to fix each
Most spatial problems come from doing too much of one thing, or treating every track as its own room. Aim for contrast inside one or two shared spaces.
Problem then fix
- Flat and up-front: create contrast - some elements dry and close, others wet and far.
- Everything pushed back: too much reverb on too many tracks; pull the anchors dry and forward.
- Reverb wash: high-pass the reverb returns and try short tempo-synced delays for depth without smear.
- No height: add gentle top-end air to elements that should lift, and keep weighty parts darker.
- Incoherent space: use one or two cohesive reverbs, not ten unrelated rooms.
What Mix Analyzer adds
You get a read on all three dimensions, so you can see whether a mix is genuinely three-dimensional or just a wide flat wall - and which axis to work on.
In every analysis
- Depth, height, and width scoring.
- A read on how stable the stereo image stays.
- Spatial guidance for headphone and stereo translation.
- Pointers toward reverb, width, and brightness decisions.
Frequently asked questions
How do I add depth to a mix?
Create contrast between near and far. Keep anchors like the lead vocal and kick dry, loud, and bright; push background parts back with more reverb, longer pre-delay, lower level, and a high-frequency rolloff.
What creates depth in a mix?
Three learned distance cues: reduced level, reduced high-frequency content, and more reverb, plus pre-delay and short delays. Depth comes from the contrast between elements, not from one effect.
How do I make a mix sound 3D?
Address all three axes: pan for width, layer two or three reverb depth planes for front-to-back, and use brightness and air for a sense of height - within one or two shared spaces so it stays coherent.
Why does my mix sound flat?
Usually everything is equally dry, loud, and present with no front-to-back contrast, or width was added without depth. Pull background elements back with reverb, level, and high-frequency rolloff.
Does brightness affect perceived height?
Yes. Brighter, higher-frequency content is consistently heard as higher in space, and real elevation cues rely on energy above roughly 7 kHz - so adding air lifts elements while darker, weightier sounds sit lower.
Should I use one reverb or many?
Prefer one or two cohesive spaces, such as a near and a far send. Many unrelated reverbs make the scene incoherent and muddy the clarity.
Further reading
- iZotope Learn - What is mix depth? — The core depth cues: level, EQ rolloff, reverb, and pre-delay.
- iZotope Learn - Reverb pre-delay explained — How pre-delay separates a source from its tail and sets distance.
- Sound on Sound - Creating a sense of depth in your mix — Depth of field with progressively narrowed reverb returns.
- Wikipedia - Reverberation — Early reflections, decay, and the perception of room size.
- Wikipedia - Sound localization — The cues behind width and perceived height.
Analyze your own mix
Upload a track to compare what you hear against Mix Analyzer's technical measurements and AI-assisted recommendations.
Open Mix Analyzer