pd_GraphicEQ

a Graphic Parameter EQ based on Plugdata

Features

• Supports a maximum of 8 bands
• Dynamic addition and deletion of bands
• Band management and transfer function plotting implemented using pdlua(with the help of LLM)
• Supports parameter storage within the DAW
• Adjustable slope and smooth parameters for spectrum display
• Option to display spectrum with or without interpolation
• Implemented based on biquad filters
• Accurate gain/frequency grid display

Usage

Ensure that eq_vis.pd_lua and GraphicEQ.pd are placed in the same directory, or make sure eq_vis.pd_lua is located in the plugdata search path.

Controls

• Hold Ctrl + drag the band up/down to change the band type
• Hold Shift + drag the band up/down to change the band Q value (for Notch, Peak, Low/High Shelf) or slope (for Low/High Pass)
• Drag the band left/right to change the frequency
• Drag the band up/down to change the gain (for Peak, Low/High Shelf) or Q value (for Low/High Pass)

To Do

• Add parameter automation support inside the DAW
• Add HQ mode
• Add phase display
• Add minimum phase mode (if I can figure it out)