EQ Visualizer
Drag nodes to shape the curve — vertical drag is gain for peaking/shelf bands and Q for HPF/LPF/notch. Scroll on any node to fine-tune Q. Double-click empty space to add a band. Presets give you HPF, LPF and surgical cuts.
Load an audio file to see the post-EQ spectrum
Bands
click to select · drag node on canvas to move · scroll to change Q
01 · real curve
The bold curve is the cascade's exact frequency response from BiquadFilter.getFrequencyResponse — every dB you see is real.
02 · drag, scroll, change type
Drag nodes for freq + gain, scroll for Q, double-click empty space to add a band, and switch any band between HPF / LPF / peaking / shelves / notch.
03 · utility presets
One-click filters that mixing engineers actually use — HPF at 40/80/120 Hz, LPF at 5/10/18 kHz, 50/60 Hz hum notches, surgical mud/harsh/sibilance cuts.