SignatureEQ

Signature EQ is a professional 6-band parametric equalizer designed as an AUv3 audio unit extension for iPhone and iPad. Load it in AU EngineCore or any AUv3 compatible host and shape your sound with precision, in the studio or on stage.
Real-Time Interactive Interface
The entire interface is a live frequency response display. Drag nodes to adjust frequency and gain, pinch to control Q, double-tap to reset. No sliders, no menus, just the curve, responding to your touch in real time.
Six Parametric Bands
- Low Shelf at 80 Hz for bass body and warmth
- F1 at 250 Hz for low-mid control
- F2 at 1 kHz for mid presence and clarity
- F3 at 3.5 kHz for upper-mid attack and definition
- F4 at 8 kHz for presence and air
- High Shelf at 12 kHz for brilliance
Every band supports 7 filter types: High Pass, Low Shelf, Peak, Notch, Band Pass, High Shelf, and Low Pass. Any band can be any filter type at any time.
Built for Performance
Zero allocation on the audio thread. Zero locks. No artifacts, no interruptions regardless of buffer size or host load.
Full AUv3 Integration
Presets save and recall instantly. Scene changes in the host reflect immediately in the interface.
Features
- 6 fully parametric bands
- Real-time frequency response display with band nodes
- Drag, pinch, and double-tap gestures
- Full preset and automation support
- Double-precision DSP - zero audio thread allocation
- Universal: iPhone and iPad