A six-band parametric equalizer for macOS. Per-band dynamic EQ, live spectrum analysis, and an interface where every control lives on the frequency graph instead of a panel underneath it.
eq-demo-hq.mp4
| Bands | 6 — Bell, Low Shelf, High Shelf, High-Pass, Low-Pass, Notch |
| Slope | 12 / 24 / 36 / 48 dB/oct on pass filters |
| Gain | ±18 dB per band |
| Q | 0.1 – 10 |
| Dynamics | Per-band compression or expansion, ±18 dB, automatic threshold |
| Analysis | Live pre/post spectrum, with the post curve revealing only where a band is actually working |
| Formats | AU, VST3, standalone — macOS |
Four factory presets are embedded in the plugin itself, so a fresh install always has a working preset list.
Requires JUCE 8 and Xcode. Open EQ/EQ.jucer in
Projucer, then build the EQ - All target from EQ/Builds/MacOSX/EQ.xcodeproj.
AGPLv3 — see LICENSE. This is JUCE's open-source option, and it's copyleft: anyone who builds on this and ships it has to publish their source too. Copyright remains mine.
Feature-complete and stable. The first audio tool built under the name AudioFlower.
Built with AI coding agents. Every product, user interface, and sound design decision is made by me, tested in FL Studio on real material.