Linkwitz-Riley Filters - LADSPA Plugin

Dual filter with low-pass and high-pass -24dB/oct, -48dB/oct, and -96dB/oct Linkwitz-Riley slopes.

Project Home

https://simdott.github.io/linkwitz-riley_filters

Compilation and Installation

1. Open a terminal in the plugin's folder
2. Run make
3. Run sudo make install

Uninstall

1. Open a terminal in the plugin's folder
2. Run sudo make uninstall

Verification

List installed plugins : ladspalist -l | grep -i "Linkwitz-Riley Filters"

Expected output :

15554 Linkwitz-Riley Filters

Ports

Port	Type	Range	Description
Input	Audio	-	Audio input
Output	Audio	-	Filtered output
LP Mode	Control	0-3	See Mode Mapping table below
LP Cutoff	Control	20-20000 Hz	Low-pass cutoff frequency
HP Mode	Control	0-3	See Mode Mapping table below
HP Cutoff	Control	20-20000 Hz	High-pass cutoff frequency

Mode Mapping

Value	Label	Slope	Description
0	Off	-	Bypass
1	x4	-24dB/oct	Linkwitz-Riley 24dB per octave
2	x8	-48dB/oct	Linkwitz-Riley 48dB per octave
3	x16	-96dB/oct	Linkwitz-Riley 96dB per octave

Version

• v1.0.0 - Initial release (2026-04-30)

License

GPL-2.0-or-later

Author

Simon Delaruotte (simdott)