PartySystem/LightDJ Plugins

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This page talks about each of the visualizer plugins that currently exist in the LightDJ software.


How to select a plugin

When the LightDJ software is running, select which plugin is active by pressing the spacebar key. This will bring up a menu showing each of the plugins, running in real time. You can select which plugin to use by typing the corresponding key next to the plugin's name.

When selecting a plugin, it can be either loaded into the left or ride side. The side that is chosen depends on the cross fader sliding knob. The software chooses the least-crossfaded slide. For example, if the slider is on the left side, a new plugin selection will be loaded into the right side.

The plugins

Here is a list of the plugins in the LightDJ software, what they do, and how to use them.


This plugin was the first one programmed (hence the name). Half of the squares are always red, and are synchronized to the bass. The other half glow a random hue color whose brightness is synced to the highs. If there's a particularly large spike in the high frequencies (ex., a clap, snap, etc.), a new hue color is selected for these lights.

It is possible to use the tempo to "alternate" the lights. Enter the tempo using SHIFT and Z. Then, at the beginning of every measure, the lights will alternate. (Pro Tip: If the "phase" goes off, type SHIFT and Z once to set the phase without changing the tempo).

The rear lights are the same as the front ones doing the highs.

VU Meter - Giant

This plugin is a giant VU meter on the front panels. It computes a volume level based on lows and highs.

The rear lights slowly rotate through VU meter-themed colors.

White Bass Pulse

The front panels are completely off until there is a bass beat, during which they glow white and fade down. The rear panels do the opposite - they start red, and turn off when there is a bass pulse.

Double Rainbow

Sets the front panels to a double rainbow-like pattern. On a bass beat, the rainbow sort of stretches out from the center.

White/Black Slider

A white and black repeating gradient that stretches out on bass beats. Please note that this plugin doesn't really look that good on the front panels, because the LED's saturate and look pretty bright all the way.

Fire slider

A repeating, fire-themed pattern. The center stretches out on a bass beat. The rear panels rotate through some fire-themed colors independent of the music. Please note that the red in this pattern is always synchronized with the red in double rainbow, so if you crossfade between them the red will LED's won't change.

Double chaser

Two "chasers" that circle each other and fly down the room. The brightness may be proportional to the music.

Protip: this is a good effect for "mixing" with other effects! Try setting one of the effects to "Ambient" or something, and the second effect to Double Chaser. Then cross fade so that it is mostly on double chaser, with a small hint of Ambient in the background. Looks nice! =)


Sets the front and rear lights to a nice relaxing ambient color scheme that gradually changes independent of the music.

UV Bass

The UV is synced to the bass, and all other lights are off.

Finger Piano

One of the funnest plugins for the LightDJ! Unlike most other plugins, this plugin takes all of its input from the light DJ. Using the S, D, F, J, K, and L keys to manually turn on the six light banks. The rears mirror the fronts. You get to sync the music!

Low-Sat Ambiance

Just like the ambiance plugin, but lower color saturation.


Just what it sounds like - complete light silence.

Block Shifter

Like the Finger piano, this is another plugin that takes a lot of input from the DJ. When any of the S, D, F, J, K, and L keys are pressed (doesn't matter how many/which ones), randomly colored blocks come out from the center. This is also a nice plugin for mixing with other effects, like Double Chaser.

Auto Block Shifter

Like the Block Shifter, but automatic. Whenever there's a bass hit, one random colored box flies out from the center. Completely automated - doesn't take any user input.

Hue Bass

All the front lights are completely on all the time, slowly rotating colors. Whenever there's a loud bass beat, the hue jumps to something else. Kind of knarley, right?

Getting to know the plugins

Honestly, the best way to get to know the plugins is to use them. Read the above descriptions to know how they work and for a few tips, but there's no substitute for actually running them on some music with lots of bass and some good highs (electronic and rap are particularly good for this).


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